Pagini recente » Borderou de evaluare (job #1119005) | Cod sursa (job #923889) | Cod sursa (job #418378) | Cod sursa (job #1348942) | Cod sursa (job #3165245)
#include <bits/stdc++.h>
#include <random>
#include <chrono>
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const char nl = '\n';
const char sp = ' ';
const int inf = 0x3f3f3f3f;
const long long INF = 1000000000000000000;
const int mod = 1e9 + 7;
const char out[2][4]{ "NO", "YES" };
#define all(A) A.begin(), A.end()
using ll = long long;
ifstream fin("zoo.in");
ofstream fout("zoo.out");
#define variableName(var) #var
#define __debug(var) cout << #var << " = " << var << '\n'
inline int rint(int a, int b) { return uniform_int_distribution<int>(a, b)(rng); }
const int nmax = 16000;
int n, m;
pair<int, int> v[nmax + 5];
vector<vector<int>> sums;
bool normalize(map<int, int>& norm, int& l, int& r) {
if (r < norm.begin()->first || l > norm.rbegin()->first) {
return true;
}
l = norm.lower_bound(l)->second;
r = prev(norm.upper_bound(r))->second;
return false;
}
int sum(int lx, int ly, int rx, int ry) {
return sums[rx][ry] + sums[lx - 1][ly - 1] - sums[lx - 1][ry] - sums[rx][ly - 1];
}
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
fin >> n;
map<int, int> normx, normy;
for (int i = 1; i <= n; ++i) {
fin >> v[i].first >> v[i].second;
normx[v[i].first] = 0;
normy[v[i].second] = 0;
}
for (auto& p : normx) {
static int cnt = 0;
p.second = ++cnt;
}
for (auto& p : normy) {
static int cnt = 0;
p.second = ++cnt;
}
int h = normx.rbegin()->second;
int w = normy.rbegin()->second;
sums.assign(h + 1, vector<int>(w + 1));
for (int i = 1; i <= n; ++i) {
v[i].first = normx[v[i].first];
v[i].second = normy[v[i].second];
sums[v[i].first][v[i].second]++;
}
for (int i = 1; i <= h; ++i) {
for (int j = 1; j <= w; ++j) {
sums[i][j] += sums[i - 1][j] + sums[i][j - 1] - sums[i - 1][j - 1];
}
}
fin >> m;
while (m--) {
pair<int, int> p, q;
fin >> p.first >> p.second >> q.first >> q.second;
// normalizam capetele chenarului
if (normalize(normx, p.first, q.first) || normalize(normy, p.second, q.second)) {
fout << 0 << nl;
continue;
}
fout << sum(p.first, p.second, q.first, q.second) << nl;
}
}