Submission #649386

#	Time	Username	Problem	Language	Result	Execution time	Memory
649386		DangerNoodle7591	Binary Subsequences (info1cup17_binary)	C++17	0 / 100	1 ms	340 KiB

binary

#include <iostream>
using namespace std;
int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	int t;cin>>t;
	while(t--){
		int x;cin>>x;
		if(x==1){
			cout<<2<<"\n"<<-1<<"\n";
			continue;
		}
		cout<<(x-1)*2<<"\n"<<-1<<"\n";
	}
}

• Subtask 1: 0 / 43
• Subtask 2: 0 / 39
• Subtask 3: 0 / 18