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Cod sursa(job #422749)
#include<cstdio>
#include<algorithm>
using namespace std;
int n,v[100000],m,i,x,st,dr,mid,j;
int main()
{ 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",&j,&x);
if(j==0) { st=1;dr=n;
while(st<dr&&!j) { mid=(st+dr)>>1;
if(v[mid]==x)j=mid;
else if(v[mid]>x)dr=mid-1;
else st=mid+1;
}
while(v[j]==x)j++;
printf("%d\n",j-1);
}
else if(j==1) { x=lower_bound(v+1,v+n+1,x+1)-v-1;
printf("%d\n",x);
}
else { x=upper_bound(v+1,v+n+1,x-1)-v;
printf("%d\n",x);
}
}
fclose(stdin);
fclose(stdout);
return 0;
}