Submission #284192

#	Time	Username	Problem	Language	Result	Execution time	Memory
284192		Bill_00	Gondola (IOI14_gondola)	C++14	Compilation error	0 ms	0 KiB

gondola

#include <stdlib.h>
#include "gondola.h"


int valid(int n, int a[])
{
	int k[250000]={0};
	int y[250000]={0},d=0;
	for(int i=0;i<n;i++){
		k[a[i]]++;
	}
	for(int i=0;i<n;i++){
		if(k[a[i]]>1) return 0;
	}
	for(int i=0;i<n;i++){
		if(a[i]<=n){
			if(y[(a[i]-i+n)%n]==0) d++;
			y[(a[i]-i+n)%n]++;
		}
	}
	if(d<=1) return 1;
	return 0;
	
}

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

int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
	int y[100000]={0};
	for(int i=0;i<n;i++){
		if(a[i]<=n){
			if(y[(a[i]-i+n)%n]==0) d++;
			y[(a[i]-i+n)%n]++;
		}
	}
	int e=0;
	for(int i=0;i<n;i++){
		e=max(e,y[i]);
	}
	return n-e;
}

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

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

Compilation message (stderr)

gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:32:6: error: 'a' was not declared in this scope
   32 |   if(a[i]<=n){
      |      ^
gondola.cpp:33:27: error: 'd' was not declared in this scope
   33 |    if(y[(a[i]-i+n)%n]==0) d++;
      |                           ^
gondola.cpp:39:5: error: 'max' was not declared in this scope
   39 |   e=max(e,y[i]);
      |     ^~~