62.不同路径
class Solution { public static int uniquePaths(int m, int n) { int[][] dp = new int[m][n]; //初始化 for (int i = 0; i < m; i++) { dp[i][0] = 1; } for (int i = 0; i < n; i++) { dp[0][i] = 1; } for (int i = 1; i < m; i++) { for (int j = 1; j < n; j++) { dp[i][j] = dp[i-1][j]+dp[i][j-1]; } } return dp[m-1][n-1]; } }63. 不同路径 II
63. 不同路径 II
代码
class Solution { public int uniquePathsWithObstacles(int[][] obstacleGrid) { if(obstacleGrid.length<0){ return 0; } int n = obstacleGrid.length; int m = obstacleGrid[0].length; int[][] dp = new int[n][m]; // 初始化 for(int i=0;i欢迎分享,转载请注明来源:内存溢出
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