Cod sursa(job #214028)

Utilizator za_wolfpalianos cristian za_wolf Data 12 octombrie 2008 14:37:16
Problema Cautare binara Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.6 kb
#include<stdio.h>
#define NMAX 100100
int x[NMAX],i,j,n,m,k,l,a,s,b,in,sf,p;
int cautbin(int k)
{
	in=1; sf=n;
	while (in<=sf)
	{
		m=(in+sf)>>1;
		if (x[m]>k)
			sf=m-1;
		else
			in=m+1;
	}
	return sf;
}

int main()
{
	freopen("cautbin.in","r",stdin);
	freopen("cautbin.out","w",stdout);
	scanf("%d",&n);
	for (i=1;i<=n;i++)
		scanf("%d",&x[i]);
	scanf("%d",&s);
	for (i=1;i<=s;i++)
	{
		scanf("%d%d",&a,&k);
		p=cautbin(k);
		if (a==0)
			printf("%d\n",p);
		if (a==1)
			printf("%d\n",p);
		if (a==2)
		{
			if (x[p]!=k)
			p++;
				printf("%d\n",p);
		}
	}


	return 0;
}