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Cod sursa(job #716192)
#include <fstream>
using namespace std;
int n,m,v[100001],t[100001],caut[100001];
int cautbin0(int x)
{
int i,pas=1<<17;
for (i=0;pas!=0;pas/=2)
if (v[i+pas]<=x && i+pas<=n)
i+=pas;
if (v[i]==x)
return i;
return -1;
}
int cautbin1(int x)
{
int i,pas=1<<17;
for (i=0;pas!=0;pas/=2)
if (i+pas<=n && v[i+pas]<=x)
i+=pas;
return i;
}
int cautbin2(int x)
{
int i,pas=1<<17;
for (i=0;pas!=0;pas/=2)
if (v[i+pas]<x && i+pas<=n)
i+=pas;
return i+1;
}
int main()
{
int i,j,x;
ifstream f("cautbin.in");
ofstream g("cautbin.out");
f>>n;
for (i=1;i<=n;i++)
f>>v[i];
f>>m;
for (i=1;i<=m;i++)
f>>t[i]>>caut[i];
for (i=1;i<=m;i++)
{
if (t[i]==0)
x=cautbin0(caut[i]);
if (t[i]==1)
x=cautbin1(caut[i]);
if (t[i]==2)
x=cautbin2(caut[i]);
g<<x<<"\n";
}
return 0;
}