Submission #235780

#	Time	Username	Problem	Language	Result	Execution time	Memory
235780		DanerZein	Gondola (IOI14_gondola)	C++14	25 / 100	31 ms	4992 KiB

gondola

#include "gondola.h"
#include <bits/stdc++.h>
using namespace std;
int valid(int n, int inputSeq[])
{
  set<int>s;
  int x=inputSeq[0];
  s.insert(inputSeq[0]);
  for(int i=1;i<n;i++){
    s.insert(inputSeq[i]);
    if(x==n){
      if(inputSeq[i]==1){
	x=1;
      }
      else return 0;
    }
    else{
      if(x==inputSeq[i]-1){
	x=inputSeq[i];
      }
      else return 0;
    }
  }
  if(s.size()!=n) return 0;
  return 1;
}

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

int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
  vector<bool> nf(250010,false);
  vector<int> gn;
  for(int i=0;i<n;i++){
    if(gondolaSeq[i]>n){
      gn.push_back(gondolaSeq[i]);
    }
    else{
      nf[gondolaSeq[i]]=true;
    }
  }
  vector<int> go;
  for(int i=1;i<=n;i++){
    if(nf[i]==false){
      go.push_back(i);
    }
  }
  int ga=n+1;
  int j=0;
  int t=0;
  sort(gn.begin(),gn.end());
  for(int i=0;i<go.size();i++){
    replacementSeq[j]=go[i];
    j++;
    t++;
    while(true){
      if(ga==gn[i]){
	break;
      }
      ga++;
      replacementSeq[j]=ga;
      j++;
      t++;
    }
  }
  return t;
}

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

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

Compilation message (stderr)

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:24:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if(s.size()!=n) return 0;
      ~~~~~~~~^~~
gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:52:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i=0;i<go.size();i++){
               ~^~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 10 / 10
• Subtask 4: 5 / 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