Cod sursa(job #2626296)

Utilizator Alinnus1Anghel Alin Alinnus1 Data 6 iunie 2020 13:11:00
Problema Factorial Scor 0
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.27 kb
Raporteaza aceasta sursa 
#include <iostream>

using namespace std;

int main()
{
    int t;
    long long n,k;
    cin>>t;

    while(t--){
        cin>>n>>k;
        if(k*k<=n && n%2==k%2)
            cout<<"YES\n";
        else
            cout<<"NO\n";
    }
    return 0;
}