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Submission #400734

# Submission time Handle Problem Language Result Execution time Memory
400734 2021-05-08T15:35:13 Z idk321 Ancient Books (IOI17_books) C++11
0 / 100
 1 ms 204 KB 
#include "books.h"
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

const int N = 1000000;
bool vis[N];

long long minimum_walk(std::vector<int> p, int s) {

    ll res = 0;

    int n = p.size();
    for (int i = 0; i < n; i++)
    {
        if (p[i] == i || vis[i]) continue;
        int cur = i;
        do
        {
            vis[cur] = true;
            res += abs(p[cur] - cur);
            cur = p[cur];
        } while (cur != i);


    }

    bool found = false;
    for (int i = n - 1; i >= 0; i--)
    {
        if (vis[i]) found = true;
        if (found && !vis[i]) res += 2;
    }

    return res;
}

Subtask #1
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Incorrect 1 ms 204 KB 3rd lines differ - on the 1st token, expected: '6', found: '8'
3 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Incorrect 1 ms 204 KB 3rd lines differ - on the 1st token, expected: '6', found: '8'
3 Halted 0 ms 0 KB -

Subtask #3
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Incorrect 1 ms 204 KB 3rd lines differ - on the 1st token, expected: '6', found: '8'
3 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB 3rd lines differ - on the 1st token, expected: '3304', found: '3824'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Incorrect 1 ms 204 KB 3rd lines differ - on the 1st token, expected: '6', found: '8'
3 Halted 0 ms 0 KB -