Submission #1177719

#	Time	Username	Problem	Language	Result	Execution time	Memory
1177719		alwaus424	Arranging Shoes (IOI19_shoes)	C++17	Compilation error	0 ms	0 KiB

shoes

#include <bits/stdc++.h>
using namespace std;
int main() {
     int n;  cin >> n;
    vector<int> v(n*2);  
    for(int i = 0;i<n*2;i++) cin >> v[i];
    if (v[1] < 0)  cout << 1;
    else cout << 0;

    return 0;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/cceKGsSA.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccAVJFmL.o:shoes.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/cceKGsSA.o: in function `main':
grader.cpp:(.text.startup+0x288): undefined reference to `count_swaps(std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status