Submission #1340990

#	Time	Username	Problem	Language	Result	Execution time	Memory
1340990		inimad	Arranging Shoes (IOI19_shoes)	C++17	Compilation error	0 ms	0 KiB

shoes

#include<bits/stdc++.h>
using namespace std;

#define LL long long

int main() {
    ios::sync_with_stdio(0), cin.tie(0);
    
    int n;
    cin >> n;
    int a[2*n];

    for(auto &i : a){
        cin >> i;
    }  

    cout << (a[0] < 0 ? 0 : 1);  
}

Compilation message (stderr)

/usr/bin/ld: /tmp/cccCiCmu.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cccLYKnJ.o:shoes.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/cccCiCmu.o: in function `main':
grader.cpp:(.text.startup+0x276): undefined reference to `count_swaps(std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status