Submission #537057

#	Time	Username	Problem	Language	Result	Execution time	Memory
537057		timreizin	Gondola (IOI14_gondola)	C++17	20 / 100	37 ms	4952 KiB

gondola

#include "gondola.h"
#include <vector>
#include <algorithm>
#include <set>

using namespace std;

int valid(int n, int inputSeq[])
{
    vector<int> a(n);
    int ind = min_element(inputSeq, inputSeq + n) - inputSeq;
    for (int i = 0; i < n; ++i) a[(i - ind + n) % n] = inputSeq[i] - 1;
    if (set<int>(a.begin(), a.end()).size() != n) return 0;
    for (int i = 0; i < n; ++i) if (a[i] < n && a[i] != i) return 0;
    return 1;
}

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

int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
  return -2;
}

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

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

Compilation message (stderr)

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:13:45: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   13 |     if (set<int>(a.begin(), a.end()).size() != n) return 0;
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~

• 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