Submission #784253

#	Time	Username	Problem	Language	Result	Execution time	Memory
784253		HD1	Arranging Shoes (IOI19_shoes)	C++14	10 / 100	1 ms	212 KiB

shoes

//we are all lost trying to be someone.
#include "shoes.h"
#include <bits/stdc++.h>
#define fastio ios_base::sync_with_stdio(0); cin.tie(0);
#define sz(x) ll(x.size())
#define reve(x) reverse(x.begin(),x.end())
#define ff first
#define ss second
#define pb push_back
using namespace std;
typedef int ll;
typedef long double ld;
typedef pair<ll,ll> ii;
typedef pair<ll, ii >tri;
const ll MAX=1e7+100;
const ll mod=1e9;
const ll inf=1e9;
long long count_swaps(vector<int> c){
    ll pos=0;
    ll sum=0;
    ll aux=-1;
    ll j=0;
    for(ll i=0; i<sz(c); i++){
        if(c[i]!=aux){
            j=i;
            pos=j;
            break;
        }
        aux*=-1;
    }
    for(ll i=j; i<sz(c); i++){
        if(c[i]==aux and i!=pos){
            sum+=i;
            pos+=2;
        }
    }
    return sum;
}

• Subtask 1: 10 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 15