Pagini recente » Istoria paginii runda/4ian_ora10.9c | Monitorul de evaluare | Monitorul de evaluare | Istoria paginii utilizator/george-rotariu | Cod sursa (job #2805890)
#include <iostream>
#include <fstream>
#include <vector>
using namespace std;
ifstream fin("cautbin.in");
ofstream fout("cautbin.out");
int n, v[100001], m, q, nr, st, dr, mid;
int main()
{
fin >> n;
for(int i = 1; i <= n; i++)
fin >> v[i];
fin >> m;
for(int i = 1; i <= m; i++)
{
fin >> q >> nr;
if(q == 0)
{
st = 1; dr = n;
while(st <= dr)
{
mid = (st + dr) / 2;
if(v[mid] > nr)
dr = mid - 1;
else st = mid + 1;
}
if(v[dr] == nr)
fout << dr << "\n";
else fout << "-1" << "\n";
}
else if(q == 1)
{
st = 1; dr = n;
while(st <= dr)
{
mid = (st + dr) / 2;
if(v[mid] > nr)
dr = mid - 1;
else
st = mid + 1;
}
fout << dr << "\n";
}
else if(q == 2)
{
st = 1; dr = n;
while(st <= dr)
{
mid = (st + dr) / 2;
if(v[mid] < nr)
st = mid + 1;
else
dr = mid - 1;
}
fout << st << "\n";
}
}
return 0;
}