输入样例:
7 5
1 2
3 2
2 4
4 5
4 6输出样例:
3
#include<bits/stdc.h>
using namespace std;
typedef long long ll;
const int N220;
int n,m,t;
int d[N][N],vis[N];
int match[N];
bool find(int x){for(int i1;i<n;i){if(d[x][i]&&…
利用reduce函数处理,直接上代码!
let data [{name:晓明,id:1},{name:德华,id:2},{name:德华,id:2},{name:晓明,id:1},]
var obj {};
let arr data.reduce(function (item, next) {obj[next.id] ? : obj[next.id] true && item.push(next)…