제출 #852019

#제출 시각아이디문제언어결과실행 시간메모리
852019AtabayRajabliXOR Sum (info1cup17_xorsum)C++17
0 / 100
164 ms6900 KiB
#include <bits/stdc++.h> #define endll '\n' using namespace std; int main() { int n; cin >> n; vector<int> a(n, 0); for(int i = 0; i<n; i++) { cin >> a[i]; } int sum = 0, line = 0, orr = 0; for(int i = 0; i<n; i++) { line ^= a[i]; orr |= (a[i] << 1); } cout << orr - line << endll; }

컴파일 시 표준 에러 (stderr) 메시지

xorsum.cpp: In function 'int main()':
xorsum.cpp:17:9: warning: unused variable 'sum' [-Wunused-variable]
   17 |     int sum = 0, line = 0, orr = 0;
      |         ^~~
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