Cod sursa(job #1837483)
| Utilizator | Data | 29 decembrie 2016 19:04:49 | |
|---|---|---|---|
| Problema | Cautare binara | Scor | 0 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 1.1 kb |
#include <iostream>
#include <algorithm>
#include <fstream>
#include <vector>
using namespace std;
vector<int> v;
int main()
{
ifstream f("cautbin.in");
ofstream g("cautbin.out");
int n, x, cerinta, m, i;
f>>n;
for(i=1; i<=n; i++)
{
f>>x;
v.push_back(x);
}
f>>n;
for(i=1; i<=n; i++)
{
f>>cerinta>>x;
switch(cerinta)
{
case 0:
{
m=distance(v.begin(), upper_bound(v.begin(), v.end(), x))-1;
if(v[m]==x)
{
g<<m+1;
}
else g<<-1;
} break;
case 1:
{
m=distance(v.begin(), lower_bound(v.begin(), v.end(), x+1));
g<<m;
} break;
case 2:
{
m=distance(v.begin(), upper_bound(v.begin(), v.end(), x-1))+1;
g<<m;
} break;
}
}
return 0;
}
