Cod sursa(job #3286352)
Utilizator | Data | 14 martie 2025 08:16:46 | |
---|---|---|---|
Problema | Cautare binara | Scor | 0 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.97 kb |
#include<fstream>
#include<algorithm>
using namespace std;
ifstream cin("cautbin.in");
ofstream cout("cautbin.out");
int v[1000001] ;
int main(){
int n , k , x , q ;
cin>>n;
for(int i = 1 ; i <= n ; i ++ )
cin>>v[i];
sort(v+1,v+n+1);
cin>>k;
for(int i = 1 ; i <= k ; i ++ ){
cin>>q>>x;
if(q==0){
int ind = upper_bound(v+1,v+n+1,x) - v - 1 ;
if(binary_search(v+1,v+n+1,x))
cout<<ind-1<<endl;
else
cout<<-1<<endl;
}else if(q==1){
int index = lower_bound(v+1,v+n+1,x) - v ;
cout<<index-1<<endl;
}else if(q==2){
int indx = upper_bound(v+1,v+n+1,x) - v ;
cout<<indx-1<<endl;
}
}
return 0 ;
}