| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 1323952 | aritro_ | Arranging Shoes (IOI19_shoes) | C++20 | 16 ms | 3748 KiB |
//#include "shoes.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define pb push_back
ll count_swaps(std::vector<int> a){
string s="";
int n=a.size();
for(int i=0;i<n;i++){
if(a[i]>0) s+='R';
else s+='L';
}
//cout<<s<<endl;
vector<ll> l,r;
for(int i=0;i<n;i++){
if(s[i]=='L'&&i%2==1) l.pb(i);
if(s[i]=='R'&&i%2==0) r.pb(i);
}
ll ans=0;
for(int i=0;i<l.size();i++){
ans+=abs(l[i]-r[i]);
}
return ans;
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