Pagini recente » Cod sursa (job #2717519) | Cod sursa (job #409393) | Cod sursa (job #2550197) | Cod sursa (job #2259163) | Cod sursa (job #301446)
Cod sursa(job #301446)
#include<fstream.h>
int n,m,v[100010];
ifstream f("cautbin.in");
ofstream g("cautbin.out");
void citire()
{
int i;
f>>n;
for(i=1;i<=n;i++)
f>>v[i];
f>>m;
}
int cautare(int x)
{
int p=1,u=n,mij;
while(p<u)
{
mij=(p+u)>>1;
if(x<=v[mij])
u=mij;
else
p=mij+1;
}
return p;
}
int main()
{
citire();
int i,aux,x,r;
for(i=0;i<m;i++)
{
f>>aux>>x;
r=cautare(x);
if(aux==0)
{
if(v[r]!=x)
r=-1;
else
while(v[r+1]==x)
r++;
}
else
if(aux==1)
{
while(v[r]>x)
r--;
}
else
while(v[r]<x)
r++;
g<<r<<'\n';
}
return 0;
}