Pagini recente » Cod sursa (job #1969377) | Cod sursa (job #2768060) | Cod sursa (job #2147901) | Cod sursa (job #2663932) | Cod sursa (job #1242160)
#include<fstream>
using namespace std;
ifstream fin("cautbin.in");
ofstream fout("cautbin.out");
int i,x,j,k,v[10001],tip,n;
int caut(int x,int y,int r)
{
int w;
w=(x+y)/2;
if(v[w]==r)
{
while(v[w+1]==r)
w++;
return w;
}
else
if(w<r)
return caut(x,w,r);
else
if(w>r)
return caut(w,y,r);
return -1;
}
int caut3(int x,int y,int r)
{
int w;
w=(x+y)/2;
if(v[w]==r)
{
while(v[w-1]==r)
w--;
return w;
}
else
if(w<r)
return caut(x,w,r);
else
if(w>r)
return caut(w,y,r);
}
int main()
{
fin>>n;
for(i=1;i<=n;i++)
{
fin>>v[i];
}
fin>>k;
for(i=1;i<=k;i++)
{
fin>>tip>>x;
tip++;
if(tip==1)
fout<<caut(1,n,x)<<"\n";
else
if(tip==2)
{
for(j=0;j<n;j++)
{
if(caut(1,n,x)>0)
{
fout<<caut(1,n,x)<<"\n";
break;
}
}
}
else
fout<<caut3(1,n,x)<<"\n";
}
return 0;
}