Submission #1045525

#	Time	Username	Problem	Language	Result	Execution time	Memory
1045525		ezzzay	Odd-even (IZhO11_oddeven)	C++14	0 / 100	0 ms	348 KiB

oddeven

#include<bits/stdc++.h>
using namespace std;
#define int  long long
#define ff first
#define ss second
#define pb push_back
const int N=3e5+5;
vector<int>ans;
int a[N];
signed main(){
    int n;
    cin>>n;
    int h=sqrt(n*2);
    if(h*(h+1)/2<n)h++;
    //cout<<h;
    if(h*(h+1)/2==n){
        cout<<h*h;
    }
    else{
        cout<<h*h-(h*(h+1)/2-n)*2;
    }
    return 0;
    cout<<endl;
    int k=1;
    for(int i=1;i<=n;i++){
      
        for(int j=1;j<=i;j++){
            cout<< k <<" ";
            k+=2;
        }
          k--;;
    }
}

• Subtask 1: 0 / 100