Submission #403907

#	Time	Username	Problem	Language	Result	Execution time	Memory
403907		Iwanttobreakfree	Gondola (IOI14_gondola)	C++98	15 / 100	12 ms	1472 KiB

gondola

#include "gondola.h"
#include <vector>
#include <set>
using namespace std;
int valid(int n, int inputSeq[]){
	int mini=1e9,pos,cont=0;
  for(int i=0;i<n;i++){
  	if(inputSeq[i]<mini){
  		mini=inputSeq[i];
  		pos=i;
	  }
  }
  vector<bool> visto(n,false);
  vector<int>v(n);
  for(int i=pos;i<n;i++){
  	v[cont]=inputSeq[i];
  	cont++;
  }
  for(int i=0;i<pos;i++){
  	v[cont]=inputSeq[i];
  	cont++;
  }
  for(int i=0;i<n;i++){
  	if(v[i]>n){
  		if(!visto[v[i]])visto[v[i]]=true;
  		else return 0;
	  }
  	if(v[i]-mini!=i)return 0;
  }
  return 1;
}

int replacement(int n, int gondolaSeq[], int replacementSeq[]){
  int maxi=0;
  for(int i=0;i<n;i++){
	if(gondolaSeq[i]>maxi){
		maxi=gondolaSeq[i];
	}
  }
  set<int> s;
  for(int i=1;i<=maxi;i++){
  	s.insert(i);
  }
  for(int i=0;i<n;i++){
  	s.erase(gondolaSeq[i]);
  }
  int cont=0;
  for(int x:s){
  	replacementSeq[cont]=x;
  	cont++;
  }
  return cont;
}
int countReplacement(int n, int inputSeq[]){
  return -3;
}

Compilation message (stderr)

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:20:11: warning: 'pos' may be used uninitialized in this function [-Wmaybe-uninitialized]
   20 |    v[cont]=inputSeq[i];

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 0 / 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