#include<bits/stdc++.h> using namespace std; int gcd(int a, int b){ return b == 0 ? a : gcd(b, a % b); } struct stsort{ bool operator () (const int a, const int b) const{ if(gcd(30, a) < gcd(30, b)){ return 1; } else if(gcd(30, a) == gcd(30, b)){ return a < b; } else return 0; } }; int main(){ int n = 5; priority_queue<int, vector<int>, stsort>q; for(int i = 1; i <= n; ++i){ q.push(i); } for(int i = 1; i <= n; ++i){ printf("%d", q.top()); q.pop(); } return 0; }
程序的输出为( )