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Cod sursa(job #197919)
#include <stdio.h>
int n,m;
int a[100005];
int cbin1 (int x)
{
int in=1,sf=n,mij;
while (in<=sf)
{
mij=in+sf/2;
if (x<a[mij])
sf=mij-1;
else if (a[mij]<x)
in=mij+1;
else
return mij;
}
return -1;
}
int cbin2 (int x)
{
int in=1,sf=n,mij,nr=0;
while (in<=sf)
{
mij=in+sf/2;
if (a[mij]<=x)
{
nr=mij;
in=mij+1;
}
else
sf=mij-1;
}
return nr;
}
int cbin3 (int x)
{
int in=1,sf=n,mij,nr=n+1;
while (in<=sf)
{
mij=in+sf/2;
if (a[mij]>=x)
{
nr=mij;
sf=mij-1;
}
else
in=mij+1;
}
return nr;
}
int main()
{
int i,t,x;
freopen("cautbin.in","r",stdin);
freopen("cautbin.out","w",stdout);
scanf("%d",&n);
for (i=1;i<=n;++i)
scanf("%d",&a[i]);
scanf("%d",&m);
for (i=1; i<=m; ++i)
{
scanf("%d%d",&t,&x);
if (t==0)
printf("%d\n",cbin1 (x));
else if (t==1)
printf("%d\n",cbin2 (x));
else
printf("%d\n",cbin3 (x));
}
return 0;
}