Submission #152035

#	Time	Username	Problem	Language	Result	Execution time	Memory
152035		oolimry	Arranging Shoes (IOI19_shoes)	C++14	50 / 100	1078 ms	3192 KiB

shoes

#include <bits/stdc++.h>
using namespace std;
long long count_swaps(std::vector<int> s) {
	int n = s.size() / 2;
	int ans = 0;
	for(int pos = 0;pos < n;pos++){
		int anchor = s[2*pos];
		for(int i = 2*pos+1;i < 2*n;i++){
			if(s[i] + anchor == 0){
				int x = i;
				while(x > 2*pos+1){
					swap(s[x],s[x-1]);
					ans++;
					x--;
				}
				if(anchor > 0){
					swap(s[pos*2],s[pos*2+1]);
					ans++;
				}
				break;
			}
		}
		for(int i = 0;i < 2 * n;i++){
			//cout << s[i] << " ";
		}
		//cout << "\n";
	}
	return ans;
}

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