Function main

CodeChef_problems/CLLCM/solution.cpp:15–37

using namespace std;

int main(){
	int T = 0;
	cin>>T; 
	while(T--){
        int N = 0;
        cin>>N;
        int A[1000];
        int flag = 0;
        for(int i =0;i<N;i++){
            cin>>A[i];
            if(A[i]%2==0){          //if any element is even then we know answer is NO
                flag = 1;
            }
        }
        if(flag == 1){
            cout<<"NO"<<endl;
        }
        else{
            cout<<"YES"<<endl;
        }
    }
    return 0;
}