Cod sursa(job #2852998)

Utilizator Alex578123Gusatu Alexandru Alex578123 Data 19 februarie 2022 19:28:37
Problema Cautare binara Scor 0
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 1.33 kb
#include <fstream>
#include <vector>
using namespace std;

ifstream cin("cautbin.in");
ofstream cout("cautbin.out");

vector<int> a;
int n,k,q,op;

inline int cb1(int k)
{
    int st = 0, dr = a.size() - 1, mid, ans = -1;
    while(st <= dr)
    {
        mid = st + (dr - st) / 2;
        if(a[mid] <= k)
            st = mid + 1;
        else
            dr = mid - 1;
    }
    return dr+1;
}

inline int cb2(int k)
{
    int st = 0, dr = a.size() - 1, mid, ans = -1;
    while(st <= dr)
    {
        mid = st + (dr - st) / 2;
        if(a[mid] <= k)
            st = mid + 1;
        else
            dr = mid - 1;
    }
    return dr+1;
}

inline int cb3(int k)
{
    int st = 0, dr = a.size() - 1, mid, ans = -1;
    while(st <= dr)
    {
        mid = st + (dr - st) / 2;
        if(a[mid] < k)
            st = mid + 1;
        else
            dr = mid - 1;
    }
    return st+1;
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    cin>>n;
    for(int x = 0 ; x < n ; x++)
    {
        cin>>k;
        a.push_back(k);
    }
    cin>>q;
    while(q--)
    {
        cin>>op>>k;
        if(op == 0)
            cout<<cb1(k)<<'\n';
        else if(op == 1)
            cout<<cb2(k)<<'\n';
        else
            cout<<cb3(k)<<'\n';
    }
}