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Submission #1064155

# Submission time Handle Problem Language Result Execution time Memory
1064155 2024-08-18T09:43:20 Z damjandavkov Gondola (IOI14_gondola) C++17
90 / 100
 14 ms 6236 KB 
#include "gondola.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int valid(int n, int v[])
{
    int i, x = -1, y;
    vector<bool> w(250000, 0);
    for (i = 0; i < n; i++)
    {
        v[i]--;
        if (w[v[i]])
            return 0;
        w[v[i]] = 1;
        if (v[i] < n)
        {
            y = v[i] - i;
            if (y < 0)
                y += n;
            if (x == -1)
                x = y;
            if (x != y)
                return 0;
        }
    }
    return 1;
}
int replacement(int n, int v[], int rS[])
{
    int i, x = -1, y, t = n, j = 0;
    vector<bool> w(250000, 0);
    vector<vector<int> > in(n);
    for (i = 0; i < n; i++)
    {
        v[i]--;
        if (w[v[i]])
            return 0;
        w[v[i]] = 1;
        if (v[i] < n)
        {
            y = v[i] - i;
            if (y < 0)
                y += n;
            if (x == -1)
                x = y;
            if (x != y)
                return 0;
        }
    }
    if (x == -1)
        x = 0;
    for (i = 0; i < n; i++)
        in[(i + x) % n] = {v[i], (i + x) % n};
    sort(in.begin(), in.end());
    for (i = 0; i < n; i++)
    {
        if (in[i][0] < n)
            continue;
        rS[j] = in[i][1] + 1;
        j++;
        t++;
        while (t <= in[i][0])
        {
            rS[j] = t;
            j++;
            t++;
        }
    }
    return j;
}
ll r = 1000000009, p;
ll po(ll a, int b)
{
    if (!b)
        return 1;
    ll t = po(a, b / 2);
    t *= t;
    t %= r;
    if (b % 2)
        return t * a % r;
    return t;
}
int countReplacement(int n, int v[])
{
    int i, x = -1, y, t = n, m;
    vector<bool> w(250000, 0);
    vector<int> in;
    for (i = 0; i < n; i++)
    {
        v[i]--;
        if (w[v[i]])
            return 0;
        w[v[i]] = 1;
        if (v[i] < n)
        {
            y = v[i] - i;
            if (y < 0)
                y += n;
            if (x == -1)
                x = y;
            if (x != y)
                return 0;
        }
        else
            in.push_back(v[i]);
    }
    m = in.size();
    sort(in.begin(), in.end());
    if (m == n)
        p = n;
    else
        p = 1;
    for (i = 0; i < in.size(); i++)
    {
        p *= po(m - i, in[i] - t);
        p %= r;
        t = in[i] + 1;
    }
    return p;
}

Compilation message

gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:113:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  113 |     for (i = 0; i < in.size(); i++)
      |                 ~~^~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 3 ms 604 KB Output is correct
7 Correct 6 ms 1116 KB Output is correct
8 Correct 5 ms 1112 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 6 ms 1112 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 596 KB Output is correct
6 Correct 2 ms 764 KB Output is correct
7 Correct 6 ms 1112 KB Output is correct
8 Correct 6 ms 1116 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 6 ms 1116 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 3 ms 604 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 6 ms 1104 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 352 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 424 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 12 ms 5444 KB Output is correct
12 Correct 13 ms 6236 KB Output is correct
13 Correct 13 ms 2908 KB Output is correct
14 Correct 12 ms 5464 KB Output is correct
15 Correct 14 ms 2768 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 1112 KB Output is correct

Subtask #8
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 440 KB Output is correct
8 Correct 1 ms 344 KB Output is correct

Subtask #9
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 10 ms 1628 KB Output is correct
10 Correct 8 ms 1372 KB Output is correct
11 Correct 4 ms 708 KB Output is correct
12 Correct 4 ms 860 KB Output is correct
13 Correct 1 ms 604 KB Output is correct

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 10 ms 1628 KB Output is correct
10 Correct 8 ms 1372 KB Output is correct
11 Correct 4 ms 860 KB Output is correct
12 Correct 4 ms 916 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Runtime error 7 ms 2020 KB Execution killed with signal 11
15 Halted 0 ms 0 KB -