Nu aveti permisiuni pentru a descarca fisierul grader_test14.in
Cod sursa(job #1737876)
Utilizator | Data | 5 august 2016 10:40:45 | |
---|---|---|---|
Problema | Cautare binara | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.61 kb |
#include <fstream>
#include <algorithm>
using namespace std;
ifstream f("cautbin.in");
ofstream g("cautbin.out");
int i,n,m,c,x,v[100010],lo,hi,mi;
int main()
{
f>>n;
for(i=1;i<=n;i++)
f>>v[i];
f>>m;
for(;m;m--)
{
lo=(int)(lower_bound(v+1,v+n+1,x)-v);
hi=(int)(upper_bound(v+1,v+n+1,x)-v)-1;
f>>c>>x;
if(c==0)
{
if(v[hi]==x)
g<<hi<<'\n';
else
g<<"-1\n";
}
if(c==1)
g<<hi<<'\n';
if(c==2)
g<<lo<<'\n';
}
return 0;
}