Submission #211064

#	Time	Username	Problem	Language	Result	Execution time	Memory
211064		lyh	Arranging Shoes (IOI19_shoes)	C++14	0 / 100	5 ms	384 KiB

shoes

#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;

long long count_swaps(vector<int> S) {
	long long sum= 0;
	for(int i= 0; i < (int)S.size(); i+= 2) {
		int k;
		for(k= i; k < (int)S.size(); k++) {
			if(S[k] > 0) break;
		}
		for(int j= k; j > i; j--) {
			swap(S[j], S[j - 1]);
			sum++;
		}
		for(k= i + 1; k < (int)S.size(); k++) {
			if(S[k] == -S[i]) {
				break;
			}
		}
		for(int j= k; j > i + 1; j--) {
			swap(S[j], S[j - 1]);
			sum++;
		}
	}
	return sum;
}

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