Submission #657683

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Source Code Expand

#include <iostream>
#include <algorithm>
#include <vector>
#include <cstdio>
#include <cmath>
#include <stack>

using namespace std;
typedef unsigned char byte;
typedef long long int LLint;
typedef unsigned long long int uLLint;

int main(){
    LLint a;
    
    cin>>a;
    
    cout<<((a+1)/2*2-(a&1^1))<<endl;
    
    return 0;
}

Submission Info

Judge Result