Open Pcjmy opened 1 year ago
/** * @param {number} m * @param {number} n * @return {number} */ var uniquePaths = function(m, n) { let dp = new Array(m).fill(0).map(() => new Array(n).fill(0)) for(let i = 0; i < m; i++){ dp[i][0] = 1 } for(let i = 0; i < n; i++){ dp[0][i] = 1 } for(let i = 1; i < m; i++){ for(let j = 1; j < n; j++){ dp[i][j] = dp[i - 1][j] + dp[i][j - 1] } } return dp[m - 1][n - 1] };