Submission #1062527

#	Time	Username	Problem	Language	Result	Execution time	Memory
1062527		Sir_Ahmed_Imran	Ancient Books (IOI17_books)	C++17	12 / 100	1 ms	600 KiB

books

                                    ///~~~LOTA~~~///
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ld long double
#define append push_back
#define add insert
#define nl '\n'
#define ff first
#define ss second
#define pii pair<int,int>
#define pll pair<ll,ll>
#define all(x) (x).begin(),(x).end()
#define L0TA ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define terminator main
#define MAXN 1000000
int vis[MAXN];
ll minimum_walk(vector<int> v,int s){
    ll o=0;
    int n,m,p,q;
    n=v.size();
    for(int i=0;i<n;i++) vis[i]=0;
    for(int i=p=q=0;i<n;i++){
        if(v[i]!=i && !vis[i] && q<i) 
            p=i;
        m=i;
        while(!vis[m]){
            o+=abs(v[m]-m);
            q=max(q,m);
            vis[m]=1;
            m=v[m];
        }
    }
    return o+2*p;
}

• Subtask 1: 12 / 12
• Subtask 2: 0 / 10
• Subtask 3: 0 / 28
• Subtask 4: 0 / 20
• Subtask 5: 0 / 30