Submission #884452

#	Time	Username	Problem	Language	Result	Execution time	Memory
884452		tamir1	Arranging Shoes (IOI19_shoes)	C++14	50 / 100	1089 ms	3244 KiB

shoes

#include "shoes.h"
using namespace std;

long long count_swaps(vector<int> s) {
	int i,j,n=s.size(),ans=0;
	for(i=0;i<n;i+=2){
		if(s[i]<0){
			for(j=i+1;j<n;j++){
				if(s[j]==-1*s[i]) break;
			}
			for(;j>i+1;j--){
				ans++;
				swap(s[j],s[j-1]);
			}
		}
		else{
			for(j=i+1;j<n;j++){
				if(s[j]==-1*s[i]) break;
			}
			for(;j>i;j--){
				ans++;
				swap(s[j],s[j-1]);
			}
		}
	}
	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