Submission #737091

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
737091	2023-05-06 15:38:29	ammar2000	Arranging Shoes (IOI19_shoes)	C++17	50 / 100	1091 ms	29884 KiB

shoes

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#include "shoes.h"
#include<bits/stdc++.h>
#define ll long long
#define pb push_back
#define F first
#define S second
#define coy cout<<"YES\n"
#define con cout<<"NO\n"
#define co1 cout<<"-1\n"
#define sc(x) scanf("%lld",&x)
#define all(x) x.begin(),x.end()
#define fast ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
using namespace std;
const int SI=3e5+7;
ll INF=8e18+7;
int MOD=1e9+7;
ll n,a[SI],re[SI],vis[SI];
map <ll,ll> la,lai,lan;
long long count_swaps(std::vector<int> s) {
    n=s.size()/2;
    for (int i=n*2-1;i>=0;i--)
    {
        if (la[s[i]])
            lai[i]=la[s[i]];
        if (la[-s[i]])
            lan[i]=la[-s[i]];
        la[s[i]]=i;
    }
    ll ans=0;
    for(int i=0;i<2*n;i++)
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 15
• Subtask 5: 20 / 20
• Subtask 6: 0 / 15