제출 #921388

#제출 시각아이디문제언어결과실행 시간메모리
921388maxFedorchukFootball (info1cup20_football)C++17
100 / 100
28 ms2136 KiB
#include "bits/stdc++.h" using namespace std; const long long MX=2e5+10; long long a[MX]; void fun() { long long n,k; cin>>n>>k; for(long long i=1;i<=n;i++) { cin>>a[i]; } for(long long x=1,o=0;x<=k;x*=2,o=0) { for(long long i=1;i<=n;i++) { o^=(a[i]/x)&1; } if(o) { cout<<"1"; return; } } cout<<"0"; } int main() { cin.tie(0); ios_base::sync_with_stdio(0); long long t; cin>>t; while(t--) { fun(); } return 0; }
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