//土尔逊Torson 编写于2023/06/14 #define _CRT_SECURE_NO_WARNINGS #include <iostream> #include <cstdio> #include <string> #include <map> using namespace std; int main() { int n; while (scanf("%d", &n) != EOF) { if (0 == n) { break; } map<int, int> score; for (int i = 0; i < n; ++i) { int num; scanf("%d", &num); score[num]++; } int key; scanf("%d", &key); printf("%d\n", score[key]); } system("pause"); return EXIT_SUCCESS; } // 64 位输出请用 printf("%lld")