Submission #966996

#	Time	Username	Problem	Language	Result	Execution time	Memory
966996		VMaksimoski008	Gondola (IOI14_gondola)	C++14	10 / 100	20 ms	4956 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 big = 0;
    for(int i=0; i<n; i++) {
      if(inputSeq[i] > n) big++;
    }

    if(big == n) return 1;

    vector<int> v(n);
    int pos = -1;
    for(int i=0; i<n; i++) {
      if(inputSeq[i] <= n) {
        pos = i;
        v[i] = inputSeq[i];
        break;
      }
    }

    for(int i=pos+1; i<n; i++) {
      v[i] = v[i-1] + 1;
      //if(v[i] > n) v[i] -= n;
    }

    for(int i=pos-1; i>=0; i--) {
      v[i] = v[i+1] - 1;
      //if(v[i] <= 0) 
    }

    for(int i=0; i<n; i++) {
      if(v[i] > n) v[i] -= n;
      else if(v[i] <= 0) v[i] += n;
    }

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

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

    return 1;
}

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

int replacement(int n, int gondolaSeq[], int replacementSeq[]) {
  int cnt = 0;

  return cnt;
}

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

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

Compilation message (stderr)

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:50:17: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   50 |     if(s.size() < n) return 0;
      |        ~~~~~~~~~^~~
gondola.cpp:8:9: warning: unused variable 'ans' [-Wunused-variable]
    8 |     int ans = 1;
      |         ^~~
gondola.cpp:9:9: warning: unused variable 'cnt' [-Wunused-variable]
    9 |     int cnt = 0;
      |         ^~~

• 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