题解 | #谁是你的潜在朋友#

#include <iostream>
using namespace std;
#include "map"
int n, m;
const int N = 210;
int a[N];
int main() {
    map<int, int> Book;

    cin >> n >> m;
    for (int i = 1; i <= n; i++) {
            cin >> a[i];
            Book[a[i]]++;
    }
    for(int i=1;i<=n;i++){
        if(Book[a[i]] == 1){
            cout << "BeiJu"<<endl;
        }else {
            cout << Book[a[i]] -1  << endl;
        }
    }



}
// 64 位输出请用 printf("%lld")