제출 #887002

#제출 시각아이디문제언어결과실행 시간메모리
887002TurcavidFootball (info1cup20_football)C++14
0 / 100
2060 ms428 KiB
#include <bits/stdc++.h> using namespace std; int32_t main() { int t; cin>>t; while(t--) { int n, k0; cin>>n>>k0; bool ok=false; for(int j=0; j<32; j++) { int k=(1<<j); if(k0&k == 0) continue; int xsum=0; for(int i=1; i<=n; i++) { int a; cin>>a; int c=a/k; int r=a%k; if(c%2 == 1) { c=k; } else { c=0; } xsum=(xsum^(c^r)); } if(xsum != 0) ok=true; } cout<<ok; } return 0; }

컴파일 시 표준 에러 (stderr) 메시지

football.cpp: In function 'int32_t main()':
football.cpp:17:21: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
   17 |             if(k0&k == 0)
      |                   ~~^~~~
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