Submission #952650

#	Time	Username	Problem	Language	Result	Execution time	Memory
952650		batsukh2006	Arranging Shoes (IOI19_shoes)	C++17	Compilation error	0 ms	0 KiB

shoes

#include<iostream>
#include<stdio.h>
#include<math.h>
#include<map>
#include<string>
#include<algorithm>
#include<vector>
#include<string.h>
#include<utility>
#include<set>
#include<cmath>
#include<queue>
#include<deque>
#include<functional>
#include<stack>
#include<limits.h>
#include<iomanip>
#include<unordered_map> 
 
using namespace std;
 
#define MOD 1000000007
#define int long long
#define endl '\n'
void solve(){
    int n; cin>>n;
    vector<int> a(n+1);
    for(int i=1; i<=n; i++) cin>>a[i];
    if(a[1]<0) cout<<0;
    else cout<<1;
}
signed main(){
	// freopen("hps.in", "r", stdin);
	// freopen("hps.out", "w", stdout);
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	
	int t=1;
	// cin>>t;
	while(t--){
		solve();
		cout<<endl;
	}
	return 0;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccUYuV6L.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccZf7QeN.o:shoes.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccUYuV6L.o: in function `main':
grader.cpp:(.text.startup+0x2a8): undefined reference to `count_swaps(std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status