Submission #208440

#	Time	Username	Problem	Language	Result	Execution time	Memory
208440		SolveSolveSolve	Arranging Shoes (IOI19_shoes)	C++14	Compilation error	0 ms	0 KiB

shoes

//#pragma comment(linker, "/stack:200000000")
//#pragma GCC optimize("Ofast")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
//#pragma GCC optimize("no-stack-protector")
//#pragma GCC push_options
//#pragma GCC optimize ("unroll-loops")
//#pragma GCC pop_options
//#pragma GCC target("popcnt")
//#pragma GCC target("sse4")
#include<bits/stdc++.h>
#define fi first
#define se second
#define pb push_back
#define eb emplace_back
#define rng(a) a.begin(),a.end()
#define fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0)
#define rep(i, n) for (int i = 0; i < n; i++)
#define per(i, n) for (int i = n - 1; i > -1; i--)
#define rer(i, x, n) for (int i = x; i < n; i++)
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<pii> vp;
typedef long double ld;















signed main(){
    int n;
    cin >> n;
    vector<int> a(n + n);
    for (int i = 0; i < n + n; i++) cin >> a[i];
    if (a[0] < 0){cout << 1; return 0;}
    cout << 0;


}

Compilation message (stderr)

/tmp/ccj13PTS.o: In function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/cc1xfBek.o:shoes.cpp:(.text.startup+0x0): first defined here
/tmp/ccj13PTS.o: In function `main':
grader.cpp:(.text.startup+0x272): undefined reference to `count_swaps(std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status