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Cod sursa(job #972235)
#include<stdio.h>
#define maxn 100005
using namespace std;
int n,m,step;
int v[maxn];
void read()
{
int i;
scanf("%d",&n);
for(i=1;i<=n;i++) scanf("%d",&v[i]);
}
int binary_type0(int val)
{
int i;
for(i=0;step;step>>=1)
if(i+step<=n && val>=v[i+step])
i+=step;
if(v[i]!=val) return 0;
else
return i;
}
int binary_type1(int val)
{
int i;
for(i=0;step;step>>=1)
if(i+step<=n && val>=v[i+step])
i+=step;
return i;
}
int binary_type2(int val)
{
int i;
int ind=0;
for(i=0;step;step>>=1)
if(i+step<=n)
{
if(v[i+step]>=val) ind=i+step;
else i+=step;
}
return ind;
}
void solve()
{
int i;
int type,val,sol;
scanf("%d",&m);
for(i=1;i<=m;i++)
{
scanf("%d%d",&type,&val);
for(step=1;step<n;step<<=1);
if(type==0) sol=binary_type0(val);
else
if(type==1) sol=binary_type1(val);
else sol=binary_type2(val);
if(sol==0) printf("-1\n");
else printf("%d\n",sol);
}
}
int main()
{
freopen("cautbin.in","r",stdin);
freopen("cautbin.out","w",stdout);
read();
solve();
fclose(stdin);
fclose(stdout);
return 0;
}