Pagini recente » Cod sursa (job #309340) | Cod sursa (job #837651) | Cod sursa (job #2848783) | Cod sursa (job #1398899) | Cod sursa (job #1508201)
#include<fstream>
#include<algorithm>
using namespace std;
int n,m,a,b,v[100001],i,j;
int cautbin(int val)
{
int step=(1<<18), start = 0;
for(;step;step>>=1)
{
int index=step+start;
if(index>n) continue;
if(v[index]<=val)
start=index;
}
return start;
}
int main()
{
ifstream fin("cautbin.in");
ofstream fout("cautbin.out");
fin>>n;
for(i=1;i<=n;i++)
{
fin>>v[i];
}
fin>>m;
for(j=1;j<=m;j++)
{
fin>>a;
fin>>b;
if(a==0)
{
int solutie=cautbin(b);
if(v[solutie]==b)
fout<<solutie<"\n";
else
fout<<"-1"<<"\n";
}
if(a==1)
{
fout<<cautbin(b)<<"\n";
}
if(a==2)
{
fout<<cautbin(b-1)+1<<"\n";
}
}
}