Pagini recente » Cod sursa (job #1508409) | Cod sursa (job #1711526) | Cod sursa (job #2023437) | Cod sursa (job #2779218) | Cod sursa (job #964462)
Cod sursa(job #964462)
#include<iostream>
#include<fstream>
using namespace std;
long int n, x[100001], val1, m, res,i;
ifstream f1("cautbin.in");
ofstream f2("cautbin.out");
long int caut_bin0(long int val)
{
long int st=1, dr=n, poz=-1, mij;
while(st<=dr)
{
mij=(dr+st)/2;
if(x[mij]==val)
{poz=mij;st=mij+1;}
if(val<x[mij])
dr=mij-1;
else
st=mij+1;
}
return poz;
}
long int caut_bin2(long int val)
{
long int st=1, dr=n, poz=-1, mij;
while(st<=dr)
{
mij=(dr+st)/2;
if(x[mij]>=val)
{dr=mij-1;poz=mij;}
if(x[mij]<val)
st=mij+1;
}
return poz;
}
long int caut_bin1(long int val)
{
long int st=1, dr=n, poz=-1, mij;
while(st<=dr)
{
mij=(st+dr)/2;
if(x[mij]<=val)
{st=mij+1;poz=mij;}
if(x[mij]>val)
dr=mij-1;
}
return poz;
}
int main(){
f1>>n;
for(i=1; i<=n; i++)
f1>>x[i];
f1>>m;
long int cond1;
while(m--)
{
f1>>cond1;
f1>>val1;
if(cond1==0)
f2<<caut_bin0(val1)<<endl;
if(cond1==1)
f2<<caut_bin1(val1)<<endl;
if(cond1==2)
f2<<caut_bin2(val1)<<endl;
}
return 0;
}