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Cod sursa(job #793108)
#include<stdio.h>
long v[100001];
int x,nr,y,n,m;
int caut0(int x)
{
int i=0,pas=1<<16;
for (i=0; pas!=0; pas>>=1)
if (i+pas<=n && v[i+pas]==x)
i+=pas;
if (v[i]!=x)
return -1;
return i;
}
int caut1(int x)
{
int i=0,pas=1<<16;
for (i=0; pas!=0; pas>>=1)
if (i+pas<=n && v[i+pas]<=x)
i+=pas;
return i;
}
int caut2(int x)
{
int i=0,pas=1<<16;
for (i=0; pas!=0; pas>>=1)
if (i+pas<=n && v[i+pas]<x)
i+=pas;
return i+1;
}
int main()
{
int i;
freopen("cautbin.in","r",stdin);
freopen("cautbin.out","w",stdout);
scanf("%d",&n);
for (i=1; i<=n; i++)
scanf("%d",&v[i]);
scanf("%d",&m);
for (i=1; i<=m; i++)
{
scanf("%d%d",&y,&x);
if (y==0)
{
nr=caut0(x);
printf("%d\n",nr);
}
if (y==1)
{
nr=caut1(x);
printf("%d\n",nr);
}
if (y==2)
{
nr=caut2(x);
printf("%d\n",nr);
}
}
return 0;
}