Submission #286223

#TimeUsernameProblemLanguageResultExecution timeMemory
286223BeanZArranging Shoes (IOI19_shoes)C++14
Compilation error
0 ms0 KiB
#include <bits/stdc++.h> #include "shoes.h" using namespace std; #define ll long long #define endl '\n' const int N = 2e5 + 5; ll a[200005]; ll count_swap(vector<int> s){ ll now = 0, ans = 0; int n = s.size() / 2; for (int i = 0; i < (2 * n); i++){ if (s[i] < 0){ ans = ans + abs(i - now); now += 2; } } return ans; } /* int main(){ ios_base::sync_with_stdio(false); cin.tie(0); if (fopen("VietCT.INP", "r")){ freopen("VietCT.INP", "r", stdin); freopen("VietCT.OUT", "w", stdout); } ll n; cin >> n; for (int i = 1; i <= 2 * n; i++) cin >> a[i]; ll now = 1, ans = 0; for (int i = 1; i <= (2 * n); i++){ if (a[i] < 0){ ans = ans + abs(i - now); now += 2; } } cout << ans; } */ /* */

Compilation message (stderr)

/tmp/cco2HlV6.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