题解 | #谁是你的潜在朋友#
谁是你的潜在朋友
https://www.nowcoder.com/practice/0177394fb25b42b48657bc2b1c6f9fcc
#include <iostream> #include <map> using namespace std; const int N = 201; int a[N]; int book[N]; int main(){ int n, m; cin >> n >> m; for(int i = 0; i < n; i ++){ cin >> a[i]; book[a[i]] ++; } for(int i = 0; i < n; i ++){ if(book[a[i]] - 1 == 0) cout << "BeiJu" << endl; else cout << book[a[i]] - 1 << endl; } return 0; }