完全一样的方法; #include"string.h" #include"stdio.h" #include"queue" #define inf 9999999 using namespace std; int r[300][300]; int pre[300]; int visit[300]; int n,m; int bfs(int s,int t) { int p,i; queue<
描述 Every time it rains on Farmer John's fields, a pond forms over Bessie's favorite clover patch. This means that the clover is covered by water for awhile and takes quite a long time to regrow. Thus
Drainage Ditches Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 16292 Accepted Submission(s): 7737 Problem Description Every time it rains on