Submission #147889

#	Time	Username	Problem	Language	Result	Execution time	Memory
147889		HellAngel	Ancient Books (IOI17_books)	C++14	0 / 100	3 ms	380 KiB

books

#include <bits/stdc++.h>

using namespace std;

long long minimum_walk(vector<int> pos, int gau)
{
    int n = pos.size(), Max = 0;
    long long ans = 0;
    for(int i = 0; i < n; i++)
    {
        if(pos[i] == i) continue;
        ans += i - Max;
        Max = max(Max, i);
        int p = pos[i], old = i;
        while(true)
        {
            ans += abs(p - old);
            if(p == i) break;
            int gau = pos[p];
            old = p;
            pos[p] = p;
            p = gau;
        }
    }
    return ans + Max;
}

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