Submission #567809

#	Time	Username	Problem	Language	Result	Execution time	Memory
567809		Halym2007	Arranging Shoes (IOI19_shoes)	C++17	Compilation error	0 ms	0 KiB

shoes

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
ll count_swaps(vector <int> S) {
long long int n = S.size();
if (n == 1) {
if (S[0] < 0 and S[1] > 0) {
return 0;
}
else return 1;
}
else {
long long int ans = (n / 2) * (n / 2 - 1) / 2;
return ans;

Compilation message (stderr)

shoes.cpp: In function 'll count_swaps(std::vector<int>)':
shoes.cpp:14:11: error: expected '}' at end of input
   14 | return ans;
      |           ^
shoes.cpp:12:6: note: to match this '{'
   12 | else {
      |      ^
shoes.cpp:14:11: error: expected '}' at end of input
   14 | return ans;
      |           ^
shoes.cpp:4:32: note: to match this '{'
    4 | ll count_swaps(vector <int> S) {
      |                                ^