| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 1165830 | SG2Alok | Arranging Shoes (IOI19_shoes) | C++20 | 0 ms | 328 KiB |
#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;
long long count_swaps(std::vector<int> s) {
long long ans = 0;
for(int i = 0; i < s.size(); i++){
if(s[i] < 0){
if(i != s.size() - 1 && s[i] == -s[i + 1]){
continue;
}
int pos = -1;
for(int j = 0; j < s.size(); j++){
if(j == 0 && s[j] == -s[i]){
pos = j;
break;
} else if(s[j] == -s[i] && s[j - 1] != -s[j]){
pos = j;
break;
}
}
if(pos == -1) continue;
// cout << pos << " " << i << endl;
while(pos < i){
swap(s[pos], s[pos + 1]);
pos++;
ans++;
}
while(pos > i + 1){
swap(s[pos], s[pos - 1]);
pos--;
ans++;
}
}
}
return ans;
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