Submission #966994

#	Time	Username	Problem	Language	Result	Execution time	Memory
966994		VMaksimoski008	Gondola (IOI14_gondola)	C++14	10 / 100	18 ms	4632 KiB

gondola

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

using namespace std;
using ll = long long;

int valid(int n, int inputSeq[]) {
    int ans = 1;
    int cnt = 0;
    set<int> s;

    int last = 0;
    for(int i=0; i<n; i++) {
      if(inputSeq[i] > n) continue;
      cnt += (last > inputSeq[i]);
      if(last > inputSeq[i] && inputSeq[i] != 1) return 0;
      last = inputSeq[i];
    }

    for(int i=0; i<n; i++) s.insert(inputSeq[i]);

    if(cnt > 1) return 0;
    if(s.size() < n) 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:23:17: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   23 |     if(s.size() < n) return 0;
      |        ~~~~~~~~~^~~
gondola.cpp:8:9: warning: unused variable 'ans' [-Wunused-variable]
    8 |     int ans = 1;
      |         ^~~

• 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