제출 #722734

#제출 시각아이디문제언어결과실행 시간메모리
722734AliHasanliXOR Sum (info1cup17_xorsum)C++17
0 / 100
236 ms4872 KiB
#include <iostream> using namespace std; int main() { int n; cin>>n; int ans=0; for(int i=0;i<n;i++) { int a; cin>>a; if(i==0)ans=a; else ans^=a; } cout<<ans*2; return 0; }
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