典型哈希题目!
#include<algorithm> #include<string.h> #include<iostream> #include<stdio.h> #include<string.h> using namespace std; int main() { int N; int m; int test; while (1) { int score[101] = { 0 }; cin >> N; if (N == 0) break; for (int i = 0; i < N; i++) { cin >> m; score[m]++; } cin >> test; cout << score[test] << endl; } return 0; }