Submission #912417

#	Time	Username	Problem	Language	Result	Execution time	Memory
912417		Hggf	Binary Subsequences (info1cup17_binary)	C++17	0 / 100	1039 ms	19196 KiB

binary

#pragma GCC optimize("O3")
#pragma GCC target("avx2")
#include <bits/stdc++.h>
#define int long long 
#define endl "\n"
using namespace std;
string yn(bool ans){
    return (ans?"YES":"NO");
}
void gogo(){
    int n;
    cin>>n;
    int u=n+2;
    int cnt=0;
    for(int j=1;j<=u;j++){
        if(__gcd(j,u)==1){
            cnt++;
        }
    }
    cout<<cnt<<endl;
    for(int i=1;i<=n;i++){
        cout<<0<<' ';
    }
    cout<<endl;
}
main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    long long t=1;
    cin>>t;
    while(t--){
        gogo();
    }
}

Compilation message (stderr)

binary.cpp:26:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   26 | main(){
      | ^~~~

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