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1 parent 2766d3d commit 8da3261Copy full SHA for 8da3261
unique-paths/byol-han.js
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+/**
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+ * https://leetcode.com/problems/unique-paths/
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+ * @param {number} m
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+ * @param {number} n
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+ * @return {number}
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+ */
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+var uniquePaths = function (m, n) {
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+ // 2차원 배열 생성 (m행 n열), 모든 값을 1로 초기화
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+ const dp = Array.from({ length: m }, () => Array(n).fill(1));
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+
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+ // (1,1)부터 시작해서 경로 수 계산
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+ for (let i = 1; i < m; i++) {
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+ for (let j = 1; j < n; j++) {
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+ dp[i][j] = dp[i - 1][j] + dp[i][j - 1];
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+ }
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+ // 오른쪽 아래 모서리의 값이 정답
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+ return dp[m - 1][n - 1];
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+};
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