제출 #316746

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
316746		Dipto_Debdip	Arranging Shoes (IOI19_shoes)	C++14	컴파일 에러	0 ms	0 KiB

shoes

#pragma GCC target ("avx2")
#pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops")
#include <bits/stdc++.h>
using namespace std;
int main(int argc, char const *argv[]) {
  int n, a, b;
  cin >> n;
  cin >> a >> b;
  if(a > 0) cout << 1 << endl;
  else cout << 0 << endl;
  return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

shoes.cpp:2: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
    2 | #pragma GCC optimization ("O3")
      | 
shoes.cpp:3: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
    3 | #pragma GCC optimization ("unroll-loops")
      | 
/tmp/cctmjiqB.o: In function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/cckQTeHP.o:shoes.cpp:(.text.startup+0x0): first defined here
/tmp/cctmjiqB.o: In function `main':
grader.cpp:(.text.startup+0x26a): undefined reference to `count_swaps(std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status