Submission #494108

#	Time	Username	Problem	Language	Result	Execution time	Memory
494108		ahmeteren	Gondola (IOI14_gondola)	C++17	10 / 100	11 ms	1356 KiB

gondola

#include <bits/stdc++.h>
#include "gondola.h"

using namespace std;

int valid(int n, int inputSeq[])
{
    int mn = 1e7, start = 0, it = 0;
    vector<int> vec(n);

    for(int i = 0; i < n; i++)
    {
        if(inputSeq[i] < mn)
        {
            mn = inputSeq[i];
            start = i;
        }
    }

    for(int i = start; i < start + n; i++)
    {
        vec[it] = inputSeq[i % n];
        it++;
    }

    int cur = mn;

    for(int i = 0; i < n; i++, cur++)
    {
        if(vec[i] > n)
            continue;
        if(vec[i] != cur)
        {
            return 0;
        }
    }

    return 1;
}

int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
    int val = 0, pos = -1;
    map<int, int> used;
    for(int i = 0; i < n; i++)
    {
        if(gondolaSeq[i] <= n)
        {
            val = gondolaSeq[i];
            val = i;
            break;
        }
    }

    vector<pair<int, int>> vec;
    for (int i = 0; i < n; i++) 
    {
        if (gondolaSeq[i] > n)
        { 
            vec.push_back({gondolaSeq[i], i});
        }
    }

    if(pos != -1)
    {
        for (int i = pos; i < n; i++) 
        {
            gondolaSeq[i] = val++;
            if (val > n)
            {
                val = 1;
            }
        }
        for (int i = 0; i < pos; i++) 
        {
            gondolaSeq[i] = val++;
            if (val > n)
            {
                val = 1;
            }
        }
    } 
    else 
    {
        for (int i = 0; i < n; i++) 
        {
            gondolaSeq[i] = i + 1;
        }
    }

    sort(vec.begin(), vec.end());

    int cur = n + 1, it = 0;
    for (int i = 0; i < vec.size(); i++) 
    {
        while (cur <= vec[i].first) 
        {
            replacementSeq[it++] = gondolaSeq[vec[i].second];
            gondolaSeq[vec[i].second] = cur++;
        }
    }
    return it;
}
    

int countReplacement(int n, int inputSeq[])
{
    return -3;
}

Compilation message (stderr)

gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:94:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   94 |     for (int i = 0; i < vec.size(); i++)
      |                     ~~^~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 0 / 10
• Subtask 4: 0 / 5
• Subtask 5: 0 / 10
• Subtask 6: 0 / 20
• Subtask 7: 0 / 5
• Subtask 8: 0 / 15
• Subtask 9: 0 / 15
• Subtask 10: 0 / 10