[Jeehay28] Week 07 Solutions #1464
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soobing
approved these changes
May 15, 2025
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| function uniquePaths(m: number, n: number): number { | ||
| const memo = new Map<string, number>(); | ||
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| const traverse = (row: number, col: number) => { | ||
| if (row >= m || col >= n) return 0; | ||
| if (row === m - 1 && col === n - 1) return 1; | ||
| const key = `${row}-${col}`; | ||
| if (memo.has(key)) return memo.get(key); | ||
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| const result = traverse(row + 1, col) + traverse(row, col + 1); | ||
| memo.set(key, result); | ||
| return result; | ||
| }; | ||
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| return traverse(0, 0); | ||
| } |
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오 이부분에서 막혔었는데 이렇게 풀수있군요! 배워갑니다.
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