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1025.cpp
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42 lines (35 loc) · 1003 Bytes
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#include <iostream>
#include <algorithm>
using namespace std;
int BS(int vet[], int ini, int fim, int el) {
int meio = (ini + fim) / 2;
if(ini > fim) return -1;
else if(el > vet[meio]) BS(vet, meio + 1, fim, el);
else if(el < vet[meio]) BS(vet, ini, meio - 1, el);
else if(vet[meio] == el) {
while(vet[meio-1] == el && meio > 0) meio--;
return meio;
}
}
int main() {
int n, q, busca, tuQsabe, caso=0;
while(cin >> n >> q) {
if(n==0 and q==0) break;
int vet[n+1];
for(int i=0; i<n; i++) {
cin >> vet[i];
}
sort(vet, vet+n);
cout << "CASE# " << ++caso << ":\n";
for(int i=0; i<q; i++) {
cin >> busca;
tuQsabe = BS(vet, 0, n-1, busca);
if(tuQsabe >= 0) {
cout << busca << " found at " << tuQsabe + 1 << endl;
} else {
cout << busca << " not found" << endl;
}
}
}
return 0;
}