Merge pull request #497 from smartAndgoodMark/patch-1

Update Leetcode 题解.md
2018-12-17 18:25:13 +08:00 · 2018-12-17 18:25:13 +08:00 · 4b35ec32a3
commit 4b35ec32a3
parent 5e0c5ef1f0 430e1e7eae
1 changed files with 23 additions and 15 deletions
--- a/notes/Leetcode
+++ b/notes/Leetcode
@ -2552,13 +2552,21 @@ public int minPathSum(int[][] grid) {
        for(int i =0;i<m;i++) {
            for(int j=0;j<n;j++){
                if(i==0) {
-                dp[j] = dp[j - 1];
-            } else {
-                dp[j] = Math.min(dp[j - 1], dp[j]);
+                    if(j==0) {
+                        dp[j] = grid[i][j];
                    }
-            dp[j] += grid[i][j];
+                    else {
+                    dp[j]=dp[j-1] + grid[i][j];
+                    }
+                }else if(j==0) {
+                    dp[j] = dp[j] + grid[i][j];
+                }
+                else{
+                dp[j] = Math.min(dp[j],dp[j-1])+grid[i][j];
                }
            }
+        }
+        
        return dp[n-1];
    }
 ```