| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 1287359 | eri16 | Arranging Shoes (IOI19_shoes) | C++20 | 1096 ms | 1960 KiB |
#include <bits/stdc++.h>
using namespace std;
long long count_swaps(vector <int> v){
long long cnt=0;
long long cur=0;
for (int i=0; i<v.size(); i++){
if (i%2==0){
for (int j=i; j<v.size(); j++){
if (v[j]<0){
cnt+=(j-i);
cur=abs(v[i]);
int k=v[j];
for (int ii=j; ii>i; ii--){
v[ii]=v[ii-1];
}
v[i]=k;
break;
}
}
}
else{
for (int j=i; j<v.size(); j++){
if (v[j]==cur){
cnt+=(j-i);
int k=v[j];
for (int ii=j; ii>i; ii--){
v[ii]=v[ii-1];
}
v[i]=k;
break;
}
}
}
/*
for (int i=0; i<v.size(); i++){
cout<<v[i]<<' ';
}
cout<<"\n";
*/
}
return cnt;
}
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