Lang:G++
Edit12345678910111213141516171819202122232425#include <iostream>#include <string>using namespace std;int main() {int x;cin >> x;for(int i = 0; i<(1<<11); i++) {int y = 0;for(int j = 0; j < 11; j++) {if((i>>j) & 1) y++;}if(x==y) {int a,b;a = i/(1<<6);b = i%(1<<6);if(a<24 && b<60)printf("%02d:%02d\n",i/(1<<6),i%(1<<6));}}return 0;}