#include<iostream> using namespace std; int a[1005]; int main() { int k=0,cnt=0,i=1; while (cnt<15) { if (a[i] == 0) { k++; } if (k == 9) { a[i]=1; cnt++; k = 0; } i++; if (i > 30) { i = 1; } } for (int j = 1;j <= 30;j++) { if (a[j] == 0) { cout<<j<<" "; } } }