提交时间:2023-09-09 10:08:32
运行 ID: 101521
#include <iostream> #include <cstdio> using namespace std; int a[21]; int main() { //freopen("statistics.in" , "r",stdin); //freopen("statistics.out", "w",stdout); int n; int cnt = 0; while(cin >> n) { cnt++; switch(n) { case 0: a[0]++;break; case 1: a[1]++;break; case 2: a[2]++;break; case 3: a[3]++;break; case 4: a[4]++;break; case 5: a[5]++;break; case 6: a[6]++;break; case 7: a[7]++;break; case 8: a[8]++;break; case 9: a[9]++;break; case 10: a[10]++;break; case 11: a[11]++;break; case 12: a[12]++;break; case 13: a[13]++;break; case 14: a[14]++;break; case 15: a[15]++;break; case 16: a[16]++;break; case 17: a[17]++;break; case 18: a[18]++;break; case 19: a[19]++;break; case 20: a[20]++;break; } } cout << cnt << endl; for(int i = 0;i <= 20;i++) cout << a[i] << " "; return 0; }