C语言代码：找出朋友圈中帅到没有朋友的人

#include <stdio.h>

int main() { int n, k, m, count, flag; int a[1001]; int id[100000] = {0}; scanf('%d', &n); for(int i = 0; i < n; i++){ scanf('%d', &k); for(int j = 0; j < k; j++){ scanf('%d', &a[j]); id[a[j]] = 1; } for(int j = 0; j < k; j++){ flag = 0; if(id[a[j]] == 2) continue; for(int p = 0; p < k; p++){ if(a[p] == a[j]) continue; if(id[a[p]] == 1){ id[a[j]] = 2; flag = 1; break; } } if(flag == 0) id[a[j]] = 3; } } scanf('%d', &m); count = 0; for(int i = 0; i < m; i++){ scanf('%d', &k); if(id[k] == 3){ if(count == 0){ printf('%05d', k); count++; } else printf(' %05d', k); } } if(count == 0) printf('No one is handsome'); return 0; }