Pagini recente » Cod sursa (job #1177843) | Cod sursa (job #1432646) | Cod sursa (job #1949705) | Cod sursa (job #1884008) | Cod sursa (job #1758353)
#include <fstream>
#include <vector>
#include <algorithm>
using namespace std;
vector<int> a;
int binMaxEq(int value) {
int left = 0, right = a.size()-1;
while (left+1 < right) {
int middle = (left + right)/2;
if (a[middle]<=value) {
left = middle;
} else {
right = middle;
}
}
if (value == a[right]) {
return right;
}
if (value == a[left]) {
return left;
}
return -1;
}
int binMaxEqLt(int value) {
int left = 0, right = a.size()-1;
while (left+1 < right) {
int middle = (left + right)/2;
if (a[middle]<=value) {
left = middle;
} else {
right = middle;
}
}
if (value >= a[right]) {
return right;
}
return left;
}
int binMaxEqGt(int value) {
int left = 0, right = a.size()-1;
while (left+1 < right) {
int middle = left + (right-left)/2;
if (a[middle]<value) {
left = middle;
} else {
right = middle;
}
}
if (value <= a[left]) {
return left;
}
return right;
}
int main() {
ifstream cin("cautbin.in");
ofstream cout("cautbin.out");
int n, m, x, op;
cin>>n;
for (int i=0; i < n; i++) {
cin>>x;
a.push_back(x);
}
sort(a.begin(), a.end());
cin>>m;
for (int i = 0; i < m; i++) {
cin>>op>>x;
int v = -1;
if (op == 0) {
v = binMaxEq(x);
} else if (op == 1) {
v = binMaxEqLt(x);
} else {
v = binMaxEqGt(x);
}
if ( v < 1) {
cout << -1 << endl;
} else {
cout << v + 1 << endl;
}
}
return 0;
}