题目链接:62. 不同路径
代码:
class Solution { public int uniquePaths(int m, int n) { int[][] path = new int[m][n]; for(int i=0; i<m; i++){ path[i][0] = 1; } for(int i=0; i<n; i++){ path[0][i] = 1; } for(int i=1; i<m; i++){ for(int j=1; j<n; j++){ path[i][j] = path[i-1][j] + path[i][j-1]; } } return path[m-1][n-1]; } }