给定n k以及n个人已参加的比赛数,让你判断最少还能参加k次比赛的队伍数,每对3人,每个人最多参加5次比赛

#include <iostream>
using namespace std;
int main(){
int n,k, cnt = ;
cin >> n >> k;
for(int i = ; i < n; ++ i){
int a;
cin >> a;
if(a+k <= ) cnt ++;
}
cout<<cnt/<<endl;
}

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