题解 | #谁是你的潜在朋友#

#include<cstdio>
#include<vector>
using namespace std;
int main(){
	int m, n;
	scanf("%d %d", &m, &n);
	vector<int>vec;
	int k;
	for (int i = 0; i < m; i++){
		scanf("%d", &k);
		vec.push_back(k);
	}
	int sum=0;
	for (int i = 0; i < m; i++){
		for (int j = 0; j < m; j++){
			if (vec[i] == vec[j]){
				sum++;
			}
		}
		sum--;
		if (sum>0){
			printf("%d\n", sum);
		}
		else if (sum == 0){
			printf("BeiJu\n");
		}
		sum = 0;
	}
}