sunyikun

UID: 2485, Registered at 2024-12-1 11:09:42, last login at 2026-9-29 17:03:20, last active at 2026-10-4 8:06:17.

Solved 412 problems, RP: 1536 (No. 170)

Bio

#include<bits/stdc++.h>
using namespace std;
int main(){
	
	return 0;
}

  set<int>::iterator it;
	for(it=a.begin();it!=a.end();it++){
		cout<<*it<<' ';
	}

This person is lazy and didn't write anything.