Submission #897139

#	Time	Username	Problem	Language	Result	Execution time	Memory
897139		ozner77	Arranging Shoes (IOI19_shoes)	C++17	10 / 100	1091 ms	3512 KiB

shoes

#include "shoes.h"
#include <bits/stdc++.h>
#include <vector>
#include <iostream>
#include <string>
using namespace std;
long long count_swaps(std::vector<int> s) {
	int a,b,c,d,e=s.size();
    long long swaps=0;
	for(int i=0;i<e;i+=2){
        a=s[i];
        for(int j=i;j<e;j++){
            if(s[j]<0){
                swaps+=(j-i);
                s[i]=s[j];
                s[j]=a;
                c=s[i+1];
                for(int k=i+1;k<e;k++){
                    if(s[k]+s[i]==0){
                        swaps+=(k-(i+1));
                        s[i+1]=s[k];
                        s[k]=c;
                        break;
                    }else{
                        d=s[k];
                        s[k]=c;
                        c=d;
                    }
                }
                break;
            }else{
                b=s[j];
                s[j]=a;
                a=b;
            }
        }
	}
	return swaps;
}

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