Cod sursa(job #3232818)

Utilizator popescu_georgePopescu George popescu_george Data 1 iunie 2024 16:11:13
Problema Cautare binara Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.82 kb
#include<bits/stdc++.h>
using namespace std;
ifstream F("cautbin.in");
ofstream G("cautbin.out");
#define Z 2048
int a[100000],p=Z,q;
char s[Z],t[Z];
inline char A()
{
    if(p==Z)
        F.read(s,Z),p=0;
    return s[p++];
}
int B()
{
    char c;
    for(c=A();!isdigit(c);c=A());
    int n=0;
    for(;isdigit(c);n=n*10+c-48,c=A());
    return n;
}
inline void C()
{
    if(q==Z)
        G.write(t,Z),q=0;
}
void D(int n)
{
    int k=0,b[6];
    for(;n;b[k++]=n%10,n/=10);
    for(;k;t[q++]=b[--k]+48,C());
}
int main()
{
    int n=B();
    for(int i=0;i<n;a[i++]=B());
    int m;
    for(m=B();m--;) {
        int i=B(),j=B(),k;
        i<2?k=upper_bound(a,a+n,j)-a,!i&&a[k-1]!=j?t[q++]='-',C(),t[q++]=49,C():D(k):D(lower_bound(a,a+n,j)-a+1),t[q++]='\n',C();
    }
    return G.write(t,q),0;
}