Unique Paths 2021-06-10 19:40

Problem Description

public int uniquePaths(int m, int n) {
    int[][] dp = new int[m][n];
    for (int i = 0; i < m; i++) {
        for (int j = 0; j < n; j++) {
            if (i == 0 || j == 0) {
                dp[i][j] = 1;
            } else {
                dp[i][j] = dp[i - 1][j] + dp[i][j - 1];
            }
        }
    }

    return dp[m - 1][n - 1];
}
Runtime Memory
0 ms 35.3 MB

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