Submission #281566

#	Time	Username	Problem	Language	Result	Execution time	Memory
281566		SamAnd	Gondola (IOI14_gondola)	C++17	20 / 100	47 ms	5496 KiB

gondola

#include "gondola.h"
#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define m_p make_pair
#define all(x) (x).begin(),(x).end()
#define sz(x) ((int)(x).size())
typedef long long ll;
const int N = 100005, M = 1000000009;

int n;
int a[N];

int valid(int n, int inputSeq[])
{
    ::n = n;
    for (int i = 0; i < n; ++i)
    {
        a[i] = inputSeq[i];
    }

    set<int> s;
    for (int i = 0; i < n; ++i)
        s.insert(a[i]);
    if (sz(s) != n)
        return 0;

    int minu = M;
    int mini;
    for (int i = 0; i < n; ++i)
    {
        if (a[i] < minu)
        {
            minu = a[i];
            mini = i;
        }
    }

    int q = 0;
    for (int i = mini; i < n; ++i)
    {
        if (a[i] <= n)
        {
            if (a[i] != minu + q)
                return 0;
        }
        ++q;
    }
    for (int i = 0; i < mini; ++i)
    {
        if (a[i] <= n)
        {
            if (a[i] != minu + q)
                return 0;
        }
        ++q;
    }

    return 1;
}

//----------------------

int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
    return 0;
}

//----------------------

int countReplacement(int n, int inputSeq[])
{
    return 0;
}

Compilation message (stderr)

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:30:9: warning: 'mini' may be used uninitialized in this function [-Wmaybe-uninitialized]
   30 |     int mini;
      |         ^~~~

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 10 / 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