Cod sursa(job #3323911)

Utilizator flipiiiTatucu Filip flipiii Data 20 noiembrie 2025 13:00:33
Problema Cautare binara Scor 0
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 1.02 kb
#include <bits/stdc++.h>

using namespace std;
#define N 100000
int v[N+1];
int main()
{
    int n, i, m, cer, a, st, dr, mij;
    cin>>n;
    for(i=0; i<n; i++){
        cin>>v[i];
    }
    cin>>m;
    for(i=0; i<m; i++){
        cin>>cer>>a;
        if(cer==2){
            st=-1;
            dr=n-1;
            while(dr-st>1){
                mij=(st+dr)/2;
                if(v[mij]<a)
                    st=mij;
                else
                    dr=mij;
            }
            cout<<dr+1<<'/n';
        }
        else{
            st=0;
            dr=n;
            while(dr-st>1){
                mij=(st+dr)/2;
                if(v[mij]>a)
                    dr=mij;
                else
                    st=mij;
            }
            if(cer==1)
                cout<<st+1<<'/n';
            else{
                if(a==v[st])
                    cout<<st+1<<'/n';
                else
                    cout<<-1<<'/n';
            }
        }
    }
    return 0;
}