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Cod sursa(job #927753)
#include<iostream>
#include<fstream>
using namespace std;
int n, v[100002],m, intr, val;
int f0 ( int val, int st, int dr)
{
int mijl;
while(st<=dr)
{
mijl=(st+dr)/2;
if(v[mijl]>val) dr=mijl-1;
else st=mijl+1;
}
mijl=(st+dr)/2;
if(v[mijl]>val) mijl--;
if(v[mijl]==val) return mijl;
return -1;
}
int f1 (int val, int st, int dr)
{
int mijl;
while(st<dr)
{
mijl=(st+dr)/2;
if(v[mijl]<=val) st=mijl+1;
else dr=mijl;
}
mijl=(st+dr)/2;
if(v[mijl]>val) mijl--;
return mijl;
}
int f2 ( int val, int st, int dr)
{
int mijl;
while(st<dr)
{
mijl=(st+dr)/2;
if(v[mijl]<val) st=mijl+1;
else dr=mijl;
}
mijl=(st+dr)/2;
if(v[mijl]<val) mijl++;
return mijl;
}
int main()
{
int i;
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>>intr>>val;
if ( intr==0) g<<f0(val,1,n)<<"\n";
else
if( intr==1) g<<f1(val,1,n)<<"\n";
else g<<f2(val,1,n)<<"\n";
}
return 0;
}