Pagini recente » Cod sursa (job #143794) | Cod sursa (job #2583867) | Cod sursa (job #3198678) | Cod sursa (job #2628232) | Cod sursa (job #2620643)
#include <iostream>
#include <fstream>
using namespace std;
int v[100010],N,M;
int CB0(int st, int dr, int x)
{
int mij;
if(st>dr)
return -1;
else
{
mij=st+(dr-st)/2;
if(v[mij]==x)
if(v[mij+1]==x && mij!=N)
return CB0(mij+1,dr,x);
else
return mij;
if(x>v[mij])
return CB0(mij+1,dr,x);
else
return CB0(st,mij-1,x);
}
}
int CB1(int st, int dr, int x)
{
int mij;
if(st>dr) return -1;
else
{
mij=st+(dr-st)/2;
if(x>=v[mij])
if(x>=v[mij+1] && mij!=N)return CB1(mij+1,dr,x);
else
return mij;
else
return CB1(st,mij-1,x);
}
}
int CB2(int st,int dr,int x)
{
int mij;
if(st>dr) return -1;
else
{
mij=st+(dr-st)/2;
if(x<=v[mij])
if(x<=v[mij-1] && mij!=1) return CB2(st,mij-1,x);
else
return mij;
else
return CB2(mij+1,dr,x);
}
}
int main()
{
ifstream f("cautbin.in");
ofstream g ("cautbin.out");
int op,val;
f>>N;
for (int i=1;i<=N;i++) f>>v[i];
f>>M;
for(int i=0;i<M;i++)
{
f>>op>>val;
if(op==0)
g<<CB0(1,N,val)<<'\n';
else
if(op==1)
g<<CB1(1,N,val)<<'\n';
else
g<<CB2(1,N,val)<<'\n';
}
return 0;
}