Cod sursa(job #2659123)

Utilizator martinmiere133Cranga Antonio martinmiere133 Data 15 octombrie 2020 21:13:11
Problema Cautare binara Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.94 kb
#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
#include <set>
#include <algorithm>
#include <list>
#include <map>
#include <math.h>
#define NMAX 100001
 
using namespace std;
ifstream f("cautbin.in");
ofstream g("cautbin.out");
vector<int> v;
int main() {
    int n;
    f>>n;
    for(int i=1;i<=n;i++){
        int x;
        f>>x;
        v.push_back(x);
    }
    int m;
    f>>m;
    for(int i=1;i<=m;i++)
    {
        int a, b;
        f>>a>>b;
        if(a == 0)
        {
            int x = upper_bound(v.begin(), v.end(), b) - v.begin();
            if(x <= n && x >= 1 && v[x - 1] == b)g<<x<<'\n';
            else g<<"-1\n";
        }
        else if(a==1)
        {
            int x = lower_bound(v.begin(), v.end(), b+1) - v.begin();
            g<<x<<'\n';
        }
        else
        {
            int x = upper_bound(v.begin(), v.end(), b-1) - v.begin()+1;
            g<<x<<'\n';
        }   }
    return 0;
}