Blind 75: Array Product Excluding Current #182
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📝 WalkthroughWalkthroughThis pull request adds a new "Array Product Excluding Current" problem solution to the Blind 75 interview problems collection. It includes the problem specification, a TypeScript implementation using prefix and suffix product arrays, comprehensive test coverage, and updates progress trackers in related README files. Changes
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Claude finished @pertrai1's task in 1m 21s —— View job Code Review Complete ✅Reviewing this GreatFrontEnd Blind 75 solution - "Array Product Excluding Current" Tasks
Review SummaryThis is a solid implementation of the classic "Product of Array Except Self" problem using the prefix-suffix pattern. The solution is correct and handles all edge cases well, including the tricky 1. Correctness ✅The solution correctly handles all test cases:
The logic is sound: for each index 2. Complexity AnalysisCurrent Implementation:
Important Note: While the problem asks for "O(n) space", this typically means the output array doesn't count toward space complexity. The current solution uses O(n) extra space (prefix + suffix), which can be optimized. 3. Learning Focus: Pattern IdentificationPattern: Prefix-Suffix ProductsThis problem is a classic example of the prefix-suffix pattern, where you:
Key Insight 💡The product of all elements except This transforms a seemingly O(n²) problem (for each element, multiply all others) into O(n) by precomputing prefix and suffix products. Related Problems for Practice
4. Code Quality ReviewStrengths
ObservationsLine 28-30: Negative Zero Handlingif (Object.is(result[i], -0)) {
result[i] = 0;
}This is interesting! In JavaScript, Question: Is this conversion necessary for the test cases? Looking at your tests:
The test comment says "result should be 0, not -0", but the expected result for the middle element is Suggestions for ImprovementFile NamingThe file is named
5. Alternative ApproachesApproach 1: Space-Optimized O(1) Extra Space ⭐You can eliminate the /**
* @time - O(n)
* @space - O(1) extra space (output array doesn't count)
*/
export function arrayProductExcluding(numbers: number[]): number[] {
const n = numbers.length;
const result = new Array(n).fill(1);
// Build prefix products directly into result
let prefix = 1;
for (let i = 0; i < n; i++) {
result[i] = prefix;
prefix *= numbers[i];
}
// Multiply by suffix products from right to left
let suffix = 1;
for (let i = n - 1; i >= 0; i--) {
result[i] *= suffix;
suffix *= numbers[i];
}
return result;
}Trade-offs:
Approach 2: Division Method (Not Applicable)Normally, you could compute the total product and divide by each element: // product_except_i = totalProduct / numbers[i]However, this problem explicitly prohibits division (constraint in README line 12), and it also fails when the array contains zeros. Your current approach correctly avoids division. 6. Test Coverage Analysis ✅Excellent test coverage! You've covered:
Suggested Additional Test: it('should handle minimum size array', () => {
// Constraint: 2 <= numbers.length <= 1000
expect(arrayProductExcluding([5, 10])).toEqual([10, 5]);
});Learning Summary 📚Key Concepts from This Problem:
When You'll See This Pattern Again:
Interview Tips:If asked this question in an interview:
Overall Assessment: This is a well-implemented solution with excellent test coverage. The code is correct, readable, and demonstrates solid understanding of the prefix-suffix pattern. Consider the space optimization for extra credit, but your current approach is perfectly acceptable and more maintainable. Great work! 🎉 |
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✅ Test ResultsTests have been executed for this pull request. 📊 Coverage Summary
Check the workflow logs for detailed test output. |
🧮 Solution AnalysisPR: Blind 75: Array Product Excluding Current 📊 Code Quality ResultsESLint Analysis
🔍 Complexity Analysisarray-product-excluding-current📋 Analysis Results: 🔍 Automated Complexity Analysis
File: greatfrontend/blind-75/array/array-product-excluding-current/array-product-excluding-current.ts Time ComplexityEstimated: O(1)
Space ComplexityEstimated: O(n) Data Structures Used
Code Metrics
Recommendations
array-product-excluding-current.test📋 Analysis Results: 🔍 Automated Complexity Analysis
File: greatfrontend/blind-75/array/array-product-excluding-current/array-product-excluding-current.test.ts Time ComplexityEstimated: O(1)
Space ComplexityEstimated: O(1) Data Structures Used
Code Metrics
Recommendations
💡 Analysis Tips
📁 Analysis Files CreatedDetailed analysis files have been automatically generated and committed to 🎯 Next Steps
Analysis generated for PR files only |
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🤖 Gemini Code Review (Model: Code Review:
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🤖 Gemini Code Review (Model: Here's a review of your solution for "Array Product Excluding Current": 1. Pattern IdentificationThis solution uses the Prefix/Suffix Products pattern. It breaks down the problem of calculating a product excluding the current element into two subproblems:
The final result for each index 2. Complexity Verification
3. Key InsightThe key insight for this problem, especially given the constraint that division is prohibited, is that the product of all elements except By pre-calculating these "prefix products" and "suffix products" in two separate passes, we can then compute each 4. Edge Case AnalysisThe provided tests cover a good range of edge cases:
Potential Missing Edge Cases (though constraints might implicitly cover some):
The current solution appears robust for the given constraints and problem statement. 5. Learning Points
6. Code Quality
Minor Improvement Suggestion (very minor): // Current approach:
const prefix = new Array(n).fill(1); // Fills with 1s
// Then populate from i=1
for (let i = 1; i < n; i++) {
prefix[i] = prefix[i - 1] * numbers[i - 1];
}
// Alternative (saves one pass of .fill(), but slightly different mental model for initialization):
const prefix = new Array(n);
prefix[0] = 1; // Explicitly set the base case
for (let i = 1; i < n; i++) {
prefix[i] = prefix[i - 1] * numbers[i - 1];
}
// Similar for suffixThis is a very minor point and your current implementation is already very clear. 7. Alternative Approaches
Your current solution is excellent and correctly solves the problem efficiently while adhering to the constraints. The |
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Pull request overview
This PR adds a new solution for the "Array Product Excluding Current" problem to the GreatFrontEnd Blind 75 collection. The solution implements an efficient prefix-suffix array approach to calculate the product of all elements except the current one without using division.
Changes:
- Implements the
arrayProductExcludingfunction using prefix and suffix arrays with O(n) time complexity - Adds comprehensive test coverage with edge cases including zeros, negative numbers, and the -0 edge case
- Updates progress tracking to reflect 5/75 Blind 75 problems completed (up from 4/75)
Reviewed changes
Copilot reviewed 5 out of 5 changed files in this pull request and generated 1 comment.
Show a summary per file
| File | Description |
|---|---|
| array-product-excluding-current.ts | Core solution implementation using prefix/suffix arrays to compute products excluding current element |
| array-product-excluding-current.test.ts | Comprehensive test suite covering edge cases, boundary conditions, and the -0 normalization behavior |
| array-product-excluding-current/README.md | Problem description with constraints, examples, and notes about the division operator prohibition |
| greatfrontend/blind-75/README.md | Updates Arrays category from 2/15 to 3/15 and overall status from 4/75 to 5/75 |
| README.md | Updates total GreatFrontEnd problems solved from 9 to 10 |
| import { describe, it, expect } from 'vitest'; | ||
| import { arrayProductExcluding } from './array-product-excluding-current'; | ||
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| describe('arrayProductExcludingCurrent', () => { |
There was a problem hiding this comment.
The describe block name 'arrayProductExcludingCurrent' doesn't match the actual function name 'arrayProductExcluding'. For consistency and clarity, the describe block should match the function name being tested.
| describe('arrayProductExcludingCurrent', () => { | |
| describe('arrayProductExcluding', () => { |
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Actionable comments posted: 1
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⚠️ Outside diff range comments (1)
README.md (1)
54-55: Update the Blind 75 count to maintain consistency.Line 55 still shows "Blind 75: 4/75 problems" but should be updated to "5/75 problems" to match the progress shown in
greatfrontend/blind-75/README.md(line 7), which correctly reflects the new problem addition.📝 Proposed fix
- GFE 75: 5/75 problems -- Blind 75: 4/75 problems +- Blind 75: 5/75 problems
🤖 Fix all issues with AI agents
In @greatfrontend/blind-75/array/array-product-excluding-current/README.md:
- Around line 1-2: Update the README for the "Array Product Excluding Current"
problem to include a difficulty badge and a link to the problem on
GreatFrontEnd: add a difficulty indicator (e.g., Easy/Medium/Hard badge) next to
the title "Array Product Excluding Current" and insert a short "Problem link"
line below the title pointing to the GreatFrontEnd problem URL (verify the exact
URL on GreatFrontEnd). Ensure the badge and link follow the project's README
format used by other problems in the repo.
🧹 Nitpick comments (2)
greatfrontend/blind-75/array/array-product-excluding-current/array-product-excluding-current.ts (1)
1-34: Clean and correct prefix-suffix implementation.The algorithm correctly computes product of all elements except the current one using prefix and suffix arrays. The O(n) time complexity is optimal, and the -0 handling is a nice touch.
One optional space optimization: you could reduce space from O(n) to O(1) (excluding output) by computing prefix products directly in the result array, then iterating backwards with a running suffix multiplier:
♻️ Optional: O(1) space optimization
export function arrayProductExcluding(numbers: number[]): number[] { const n = numbers.length; - - // store the values for previous indexes - const prefix = new Array(n).fill(1); - // store the values for the next indexes - const suffix = new Array(n).fill(1); - const result = new Array(n).fill(1); - // iterate and multiply the previous stored value with the previous numbers value + // Build prefix products in result for (let i = 1; i < n; i++) { - prefix[i] = prefix[i - 1] * numbers[i - 1]; + result[i] = result[i - 1] * numbers[i - 1]; } - // iterate and multiply the next stored value with the next numbers value - for (let i = n - 2; i >= 0; i--) { - suffix[i] = suffix[i + 1] * numbers[i + 1]; - } - - // iterate and multiply the previous values with the next values, which won't contain the current value - for (let i = 0; i < n; i++) { - result[i] = prefix[i] * suffix[i]; + // Multiply by suffix products from right to left + let suffix = 1; + for (let i = n - 1; i >= 0; i--) { + result[i] *= suffix; + suffix *= numbers[i]; if (Object.is(result[i], -0)) { result[i] = 0; } } return result; }greatfrontend/blind-75/array/array-product-excluding-current/array-product-excluding-current.test.ts (1)
4-42: Good test coverage, but missing edge case tests for empty and single-element arrays.Based on learnings, tests should include edge cases for empty arrays and single elements. These boundary conditions help ensure the function handles degenerate inputs gracefully.
🧪 Add edge case tests
describe('arrayProductExcludingCurrent', () => { + it('should handle empty array', () => { + expect(arrayProductExcluding([])).toEqual([]); + }); + + it('should handle single element array', () => { + expect(arrayProductExcluding([5])).toEqual([1]); + }); + it('should return an array of products excluding the current element', () => {
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📒 Files selected for processing (5)
README.mdgreatfrontend/blind-75/README.mdgreatfrontend/blind-75/array/array-product-excluding-current/README.mdgreatfrontend/blind-75/array/array-product-excluding-current/array-product-excluding-current.test.tsgreatfrontend/blind-75/array/array-product-excluding-current/array-product-excluding-current.ts
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📓 Path-based instructions (12)
**/*.ts
📄 CodeRabbit inference engine (.github/copilot-instructions.md)
**/*.ts: Use explicit type annotations for function parameters and return types
Follow strict TypeScript configuration (defined intsconfig.json)
Target ES2020 with CommonJS modules
Strict mode enabled with ES2020 target and CommonJS modules for TypeScript
**/*.ts: Use explicit type annotations for function parameters and return types in TypeScript solutions
Follow strict TypeScript configuration with ES2020 target and CommonJS modules
Avoidanytype unless absolutely necessary in TypeScript solutions
Use interfaces for object types in TypeScript solutions
Files:
greatfrontend/blind-75/array/array-product-excluding-current/array-product-excluding-current.tsgreatfrontend/blind-75/array/array-product-excluding-current/array-product-excluding-current.test.ts
**/*.{ts,js}
📄 CodeRabbit inference engine (.github/copilot-instructions.md)
**/*.{ts,js}: Test complex algorithms with helper functions, data structure implementations, solutions with multiple edge cases, GreatFrontEnd API implementations, and reusable utility functions
Use descriptive variable names (single letters likei,j,kare acceptable for loop iterators and standard mathematical contexts)
Don't use deprecated JavaScript features
Files:
greatfrontend/blind-75/array/array-product-excluding-current/array-product-excluding-current.tsgreatfrontend/blind-75/array/array-product-excluding-current/array-product-excluding-current.test.ts
**/*-*.{ts,js,md}
📄 CodeRabbit inference engine (.github/copilot-instructions.md)
Use kebab-case for file names matching problem names
Files:
greatfrontend/blind-75/array/array-product-excluding-current/array-product-excluding-current.tsgreatfrontend/blind-75/array/array-product-excluding-current/array-product-excluding-current.test.ts
**/*.{js,ts}
📄 CodeRabbit inference engine (CLAUDE.md)
**/*.{js,ts}: Verify the solution correctly solves the problem for all test cases, including edge cases: empty arrays, single elements, negative numbers, null values
Document and verify time and space complexity using Big O notation, typically in code comments or docs/analysis/ files
Use clear, descriptive variable names (not just i, j, k unless in simple loops) and add comments for non-obvious logic or algorithm steps
Use const by default, let only when reassignment is needed; avoid var except for LeetCode solution function definitions
Use strict equality (===) over loose equality (==)
Use modern ES6+ syntax (arrow functions, destructuring, spread operators) where appropriate and prefer built-in methods (.map(), .filter(), .reduce())
**/*.{js,ts}: Useconstby default,letonly when reassignment is needed in JavaScript/TypeScript
Use strict equality (===) over loose equality (==) in JavaScript/TypeScript
Use descriptive variable names; single letters likei,j,kacceptable only for standard loop contexts
Prefer built-in array methods (.map(),.filter(),.reduce()) in JavaScript/TypeScript
Fix ESLint errors withnpm run quality:fixand ensure proper code formatting with Prettier
Files:
greatfrontend/blind-75/array/array-product-excluding-current/array-product-excluding-current.tsgreatfrontend/blind-75/array/array-product-excluding-current/array-product-excluding-current.test.ts
**/array/**/*.{js,ts}
📄 CodeRabbit inference engine (CLAUDE.md)
Check for two-pointer technique correctness, verify sliding window boundaries, and confirm hash map usage is optimal
Files:
greatfrontend/blind-75/array/array-product-excluding-current/array-product-excluding-current.tsgreatfrontend/blind-75/array/array-product-excluding-current/array-product-excluding-current.test.ts
**/greatfrontend/**/*.{js,ts}
📄 CodeRabbit inference engine (CLAUDE.md)
**/greatfrontend/**/*.{js,ts}: Verify correct usage of browser APIs (DOM, Fetch, Storage, etc.), check for browser compatibility considerations, and validate event handling patterns with proper cleanup
Check for unnecessary re-renders or DOM manipulations, verify efficient data structure usage for UI updates, and look for debouncing/throttling where appropriate
Verify parameter validation, error handling, and consider edge cases specific to browser environments (empty inputs, invalid types)
Files:
greatfrontend/blind-75/array/array-product-excluding-current/array-product-excluding-current.tsgreatfrontend/blind-75/array/array-product-excluding-current/array-product-excluding-current.test.ts
**/README.md
📄 CodeRabbit inference engine (CLAUDE.md)
Include problem title and difficulty badge, link to the problem on the respective platform (LeetCode, GreatFrontEnd, etc.), problem description, examples and constraints
Files:
README.mdgreatfrontend/blind-75/array/array-product-excluding-current/README.mdgreatfrontend/blind-75/README.md
README.md
📄 CodeRabbit inference engine (AGENTS.md)
Update README.md when adding new solutions
Files:
README.md
**/*.test.{ts,js}
📄 CodeRabbit inference engine (.github/copilot-instructions.md)
Use
*.test.tsor*.test.jsnaming convention for test files
Files:
greatfrontend/blind-75/array/array-product-excluding-current/array-product-excluding-current.test.ts
**/*.test.{js,ts}
📄 CodeRabbit inference engine (CLAUDE.md)
Use Vitest for testing complex solutions, data structures, and GreatFrontEnd implementations; ensure tests handle edge cases, async operations, and cleanup logic
Files:
greatfrontend/blind-75/array/array-product-excluding-current/array-product-excluding-current.test.ts
**/*.test.ts
📄 CodeRabbit inference engine (AGENTS.md)
**/*.test.ts: Test all examples from problem description in test files
Add edge case tests: empty inputs, single elements, nulls, boundary conditions in test files
Use descriptive test names that explain what is being tested in test files
Group related tests usingdescribeblocks in test files
Include both positive and negative test cases in test files
Add test cases for new solutions and update tests when refactoring existing solutions
Files:
greatfrontend/blind-75/array/array-product-excluding-current/array-product-excluding-current.test.ts
**/*-*.test.ts
📄 CodeRabbit inference engine (AGENTS.md)
Test files should use kebab-case naming with
.test.tsextension:{problem-name}.test.ts
Files:
greatfrontend/blind-75/array/array-product-excluding-current/array-product-excluding-current.test.ts
🧠 Learnings (14)
📓 Common learnings
Learnt from: CR
Repo: pertrai1/coding-challenges PR: 0
File: CLAUDE.md:0-0
Timestamp: 2025-12-30T13:41:24.644Z
Learning: Applies to **/*.{js,ts} : Verify the solution correctly solves the problem for all test cases, including edge cases: empty arrays, single elements, negative numbers, null values
Learnt from: CR
Repo: pertrai1/coding-challenges PR: 0
File: CLAUDE.md:0-0
Timestamp: 2025-12-30T13:41:24.644Z
Learning: Applies to **/array/**/*.{js,ts} : Check for two-pointer technique correctness, verify sliding window boundaries, and confirm hash map usage is optimal
Learnt from: CR
Repo: pertrai1/coding-challenges PR: 0
File: AGENTS.md:0-0
Timestamp: 2025-12-30T13:41:58.622Z
Learning: Applies to **/*.test.ts : Add test cases for new solutions and update tests when refactoring existing solutions
Learnt from: CR
Repo: pertrai1/coding-challenges PR: 0
File: AGENTS.md:0-0
Timestamp: 2025-12-30T13:41:58.622Z
Learning: Applies to leetcode/**/*.{js,ts} : Keep LeetCode solutions concise and focused on the algorithm
Learnt from: CR
Repo: pertrai1/coding-challenges PR: 0
File: AGENTS.md:0-0
Timestamp: 2025-12-30T13:41:58.622Z
Learning: Applies to leetcode/**/*.{js,ts} : Test edge cases if adding or modifying solution code
📚 Learning: 2025-12-30T13:41:24.644Z
Learnt from: CR
Repo: pertrai1/coding-challenges PR: 0
File: CLAUDE.md:0-0
Timestamp: 2025-12-30T13:41:24.644Z
Learning: Applies to **/README.md : Include problem title and difficulty badge, link to the problem on the respective platform (LeetCode, GreatFrontEnd, etc.), problem description, examples and constraints
Applied to files:
README.md
📚 Learning: 2025-12-30T13:41:58.622Z
Learnt from: CR
Repo: pertrai1/coding-challenges PR: 0
File: AGENTS.md:0-0
Timestamp: 2025-12-30T13:41:58.622Z
Learning: Applies to **/*.test.ts : Add edge case tests: empty inputs, single elements, nulls, boundary conditions in test files
Applied to files:
greatfrontend/blind-75/array/array-product-excluding-current/array-product-excluding-current.test.ts
📚 Learning: 2025-12-30T13:41:58.622Z
Learnt from: CR
Repo: pertrai1/coding-challenges PR: 0
File: AGENTS.md:0-0
Timestamp: 2025-12-30T13:41:58.622Z
Learning: Applies to **/*.test.ts : Include both positive and negative test cases in test files
Applied to files:
greatfrontend/blind-75/array/array-product-excluding-current/array-product-excluding-current.test.ts
📚 Learning: 2025-12-30T13:41:24.644Z
Learnt from: CR
Repo: pertrai1/coding-challenges PR: 0
File: CLAUDE.md:0-0
Timestamp: 2025-12-30T13:41:24.644Z
Learning: Applies to **/*.{js,ts} : Verify the solution correctly solves the problem for all test cases, including edge cases: empty arrays, single elements, negative numbers, null values
Applied to files:
greatfrontend/blind-75/array/array-product-excluding-current/array-product-excluding-current.test.ts
📚 Learning: 2025-12-30T13:41:58.622Z
Learnt from: CR
Repo: pertrai1/coding-challenges PR: 0
File: AGENTS.md:0-0
Timestamp: 2025-12-30T13:41:58.622Z
Learning: Applies to **/*.test.ts : Add test cases for new solutions and update tests when refactoring existing solutions
Applied to files:
greatfrontend/blind-75/array/array-product-excluding-current/array-product-excluding-current.test.ts
📚 Learning: 2025-12-30T13:41:58.622Z
Learnt from: CR
Repo: pertrai1/coding-challenges PR: 0
File: AGENTS.md:0-0
Timestamp: 2025-12-30T13:41:58.622Z
Learning: Applies to **/*.test.ts : Test all examples from problem description in test files
Applied to files:
greatfrontend/blind-75/array/array-product-excluding-current/array-product-excluding-current.test.ts
📚 Learning: 2025-12-30T13:41:24.644Z
Learnt from: CR
Repo: pertrai1/coding-challenges PR: 0
File: CLAUDE.md:0-0
Timestamp: 2025-12-30T13:41:24.644Z
Learning: Applies to **/*.test.{js,ts} : Use Vitest for testing complex solutions, data structures, and GreatFrontEnd implementations; ensure tests handle edge cases, async operations, and cleanup logic
Applied to files:
greatfrontend/blind-75/array/array-product-excluding-current/array-product-excluding-current.test.ts
📚 Learning: 2025-12-30T13:41:07.657Z
Learnt from: CR
Repo: pertrai1/coding-challenges PR: 0
File: .github/copilot-instructions.md:0-0
Timestamp: 2025-12-30T13:41:07.657Z
Learning: Applies to **/*.{ts,js} : Test complex algorithms with helper functions, data structure implementations, solutions with multiple edge cases, GreatFrontEnd API implementations, and reusable utility functions
Applied to files:
greatfrontend/blind-75/array/array-product-excluding-current/array-product-excluding-current.test.ts
📚 Learning: 2025-12-30T13:41:24.644Z
Learnt from: CR
Repo: pertrai1/coding-challenges PR: 0
File: CLAUDE.md:0-0
Timestamp: 2025-12-30T13:41:24.644Z
Learning: Applies to **/array/**/*.{js,ts} : Check for two-pointer technique correctness, verify sliding window boundaries, and confirm hash map usage is optimal
Applied to files:
greatfrontend/blind-75/array/array-product-excluding-current/array-product-excluding-current.test.ts
📚 Learning: 2025-12-30T13:41:58.622Z
Learnt from: CR
Repo: pertrai1/coding-challenges PR: 0
File: AGENTS.md:0-0
Timestamp: 2025-12-30T13:41:58.622Z
Learning: Applies to **/*.test.ts : Group related tests using `describe` blocks in test files
Applied to files:
greatfrontend/blind-75/array/array-product-excluding-current/array-product-excluding-current.test.ts
📚 Learning: 2025-12-30T13:41:58.622Z
Learnt from: CR
Repo: pertrai1/coding-challenges PR: 0
File: AGENTS.md:0-0
Timestamp: 2025-12-30T13:41:58.622Z
Learning: Applies to **/*.test.ts : Use descriptive test names that explain what is being tested in test files
Applied to files:
greatfrontend/blind-75/array/array-product-excluding-current/array-product-excluding-current.test.ts
📚 Learning: 2025-12-30T13:41:58.622Z
Learnt from: CR
Repo: pertrai1/coding-challenges PR: 0
File: AGENTS.md:0-0
Timestamp: 2025-12-30T13:41:58.622Z
Learning: Applies to leetcode/**/README.md : Keep README files up to date with problem counts and organization
Applied to files:
greatfrontend/blind-75/array/array-product-excluding-current/README.mdgreatfrontend/blind-75/README.md
📚 Learning: 2025-12-30T13:41:58.622Z
Learnt from: CR
Repo: pertrai1/coding-challenges PR: 0
File: AGENTS.md:0-0
Timestamp: 2025-12-30T13:41:58.622Z
Learning: Applies to leetcode/**/*.{js,ts} : Review complexity analysis reports for algorithm files after running quality checks
Applied to files:
greatfrontend/blind-75/README.md
🧬 Code graph analysis (1)
greatfrontend/blind-75/array/array-product-excluding-current/array-product-excluding-current.test.ts (1)
greatfrontend/blind-75/array/array-product-excluding-current/array-product-excluding-current.ts (1)
arrayProductExcluding(5-34)
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🔇 Additional comments (5)
README.md (1)
10-10: LGTM! Total count correctly updated.The GreatFrontEnd total increased from 9 to 10, which correctly reflects the addition of the new Blind 75 problem (5 GFE 75 + 5 Blind 75 = 10 total).
greatfrontend/blind-75/array/array-product-excluding-current/README.md (1)
3-33: LGTM! Comprehensive problem documentation.The problem description, examples with explanations, constraints, and special notes (no division, 32-bit guarantee) are all clearly documented and well-structured.
greatfrontend/blind-75/README.md (2)
7-7: LGTM! Progress count correctly updated.The overall Blind 75 progress accurately reflects the addition of the new Array problem (4/75 → 5/75).
15-19: LGTM! Arrays section properly updated.The Arrays section count (2/15 → 3/15) and the new problem entry are both correct. The new problem is properly formatted with the difficulty level and relative path.
greatfrontend/blind-75/array/array-product-excluding-current/array-product-excluding-current.test.ts (1)
1-2: LGTM!Good use of Vitest with proper imports and the test file follows the naming convention.
| # Array Product Excluding Current | ||
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Add difficulty badge and platform link.
According to the coding guidelines, problem READMEs should include a difficulty badge and link to the problem on the respective platform (GreatFrontEnd in this case). Based on coding guidelines for **/README.md files.
📝 Suggested format
# Array Product Excluding Current
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+
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+[View problem on GreatFrontEnd](https://www.greatfrontend.com/questions/javascript/array-product-excluding-current)Note: Please verify the exact URL for the problem on GreatFrontEnd.
📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| # Array Product Excluding Current | |
| # Array Product Excluding Current | |
|  | |
| [View problem on GreatFrontEnd](https://www.greatfrontend.com/questions/javascript/array-product-excluding-current) |
🤖 Prompt for AI Agents
In @greatfrontend/blind-75/array/array-product-excluding-current/README.md
around lines 1 - 2, Update the README for the "Array Product Excluding Current"
problem to include a difficulty badge and a link to the problem on
GreatFrontEnd: add a difficulty indicator (e.g., Easy/Medium/Hard badge) next to
the title "Array Product Excluding Current" and insert a short "Problem link"
line below the title pointing to the GreatFrontEnd problem URL (verify the exact
URL on GreatFrontEnd). Ensure the badge and link follow the project's README
format used by other problems in the repo.
📅 Spaced Repetition Reviews Scheduled!Great job solving #GFE-022a - Array Product Excluding Current! 🎉 To help you retain this knowledge long-term, I've scheduled 5 review sessions using spaced repetition:
What to expect:
🧠 Why Spaced Repetition?Research shows that reviewing material at increasing intervals dramatically improves retention. This adaptive scheduling ensures optimal spacing based on when you actually complete each review! Check |
Problem: #GFE-022a - Array Product Excluding Current PR: #182 First review scheduled (subsequent reviews auto-scheduled on completion) [skip ci]
Summary by CodeRabbit
New Features
Documentation
Tests
✏️ Tip: You can customize this high-level summary in your review settings.