Submission #401234

#	Time	Username	Problem	Language	Result	Execution time	Memory
401234		victoriad	Gondola (IOI14_gondola)	C++14	10 / 100	14 ms	1120 KiB

gondola

#include "gondola.h"
#include <cmath>
#include <cstdio>
#include <vector>
using namespace std;


int valid(int n, int inputSeq[])
{ int x,y,i,z;
vector<bool>t(n,false);
  for(i=0;i<n;i++){
  if(inputSeq[i]<=n){
    x=inputSeq[i]-i;
    y=inputSeq[i];
	z=i;
	t[inputSeq[i]]=true;
    break;
  }
  }
  bool p=true;
  i++;
  for(;i<n-y+z+1;i++){
    if(inputSeq[i]<=n){
	 if(inputSeq[i]-x!=i||t[inputSeq[i]]){
      p=false;
      break;
	 }
	if(!t[inputSeq[i]]){
		t[inputSeq[i]]=true;
	}
    }
  }
  if(p){
	  int o=0;
    for( i=n-x+1;i<n;i++){
		o++;
      if(inputSeq[i]<=n && inputSeq[i]!=o){
        p=false;
        break;
      }
    }
  }
  if(p)return 1;
  else return 0;
}


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

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:22:13: warning: 'z' may be used uninitialized in this function [-Wmaybe-uninitialized]
   22 |   for(;i<n-y+z+1;i++){
      |          ~~~^~
gondola.cpp:22:11: warning: 'y' may be used uninitialized in this function [-Wmaybe-uninitialized]
   22 |   for(;i<n-y+z+1;i++){
      |          ~^~
gondola.cpp:35:13: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized]
   35 |     for( i=n-x+1;i<n;i++){
      |            ~^~

• 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