Submission #340184

#	Time	Username	Problem	Language	Result	Execution time	Memory
340184		israeladewuyi	Arranging Shoes (IOI19_shoes)	C++17	10 / 100	1082 ms	3180 KiB

shoes

#include <bits/stdc++.h>
using namespace std;
 
typedef long long ll;
typedef vector<int> vi;
typedef vector<string> vs;
#define PB push_back
#define pb pop_back
#define in insert 
#define endl "\n"
const unsigned int M = 1000000007;
 
ll count_swaps(vi s){
	ll n = s.size();
	ll swaps = 0;
	for(int i = 0; i < n-1; i+=2){
		int y = abs(s[i]);
		for(int j = i + 1; j< n; j++){
			if(abs(s[j]) == y){
				while(abs(s[i+1]) != y){
					swap(s[j],s[j-1]);
					swaps++;
					j = j-1;
				}
			}
		}
		if(s[i] > 0)swaps++;
	}
	
	
	return swaps;
}
 
//int main(){
//	vi v;
//	v.PB(2);
//	v.PB(-2);
//	v.PB(2);
//	v.PB(-2);
//	cout<<count_swaps(v);
//}

• Subtask 1: 10 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 15