coding (cp)-explanation(ep11)|Equalizer(2217A)-codeforces|

1위@Lâm-c3s4e3 ngày trước

#include <bits/stdc++.h> using namespace std; const int a=1e6+5; int b[a]; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int t;cin>>t; while(t--){ int n,k;cin>>n>>k; int sum=0; for(int i=0;i<n;i++){ cin>>b[i]; sum+=b[i]; } if(sum%2!=0){ cout<<"YES"<<endl; }else{ if((k*n)%2==0){ cout<<"YES"<<endl; }else{ cout<<"NO"<<endl; } } } return 0; }번역 보기