畅通工程 Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 16994 Accepted Submission(s): 7134 Problem Description 省政府“畅通工程”的目标是使全省任何两个村
畅通工程 Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 26507 Accepted Submission(s): 11583 Problem Description 省政府“畅通工程”的目标是使全省任何两个村
http://acm.hdu.edu.cn/showproblem.php?pid=1863 畅通工程 Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 16976 Accepted Submission(s): 71
畅通工程 Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 9887 Accepted Submission(s): 3893 Problem Description 省政府“畅通工程”的目标是使全省任何两个村庄
题目链接: 力扣https://leetcode-cn.com/problems/sum-of-all-subset-xor-totals/ 【分析】回溯法,用0,1表示这个是否在子集中。 class Solution {int[] arr, nums;int n, ans = 0;public void backTrack(int t){if(t == n){int a = arr[0