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- /*
- Author: Mehul Chaturvedi
- Talent is overrated
- */
- #include <bits/stdc++.h>
- using namespace std;
- using ll = long long;
- using ld = long double;
- using pll = pair<ll, ll>;
- #define mp make_pair
- #define all(x) (x).begin(), (x).end()
- #define f first
- #define s second
- #define vll vector<long long>
- #define vvll vector<vector<ll>>
- #define vset(v, n, val) v.clear(); v.resize(n, val)
- #define INF 4557430888798830399ll
- #define fr(i, a, b) for (int i = (a), _b = (b); i <= _b; i++)
- #define rep(i, n) for (int i = 0, _n = (n); i < _n; i++)
- #define repr(i, n) for (int i = n; i >= 0; i--)
- #define frr(i, a, b) for (int i = (a), _b = (b); i >= _b; i--)
- #define trav(a, x) for(auto& a : x)
- #define fil(ar, val) memset(ar, val, sizeof(ar))
- const ll MOD = 1e9 + 7;
- class node {
- public:
- vll arr;
- node(vll val) {
- arr = val;
- }
- };
- vector<ll> v;
- vector<node> t;
- ll n, m;
- ll anss;
- node help(node left, node right) {
- vll arr1 = left.arr;
- vll arr2 = right.arr;
- vll arr0;
- arr0.resize(arr1.size() + arr2.size());
- merge(all(arr1), all(arr2), arr0.begin());
- node res(arr0);
- return res;
- }
- void build(ll start, ll tl, ll tr) {
- if (tl + 1 == tr) {
- //Only one element in the vector
- t[start] = node({v[tl]});
- return;
- }
- ll mid = (tl + tr) / 2;
- build(2 * start + 1, tl, mid);
- build(2 * start + 2, mid, tr);
- node left = t[2 * start + 1];
- node right = t[2 * start + 2];
- t[start] = help(left, right);
- return;
- }
- node get(ll start, ll tl, ll tr, ll l, ll r, ll num) {
- if (tl >= r || tr <= l) {
- anss = 0;
- return node({});
- }
- if (l <= tl && r >= tr) {
- auto &temp = t[start].arr;
- anss = temp.end() - upper_bound(all(temp), num);
- return t[start];
- }
- ll mid = (tl + tr) / 2;
- node left = get(2 * start + 1, tl, mid, l, r, num);
- node right = get(2 * start + 2, mid, tr, l, r, num);
- node ans = help(left, right);
- auto &temp = ans.arr;
- anss = temp.end() - upper_bound(all(temp), num);
- return ans;
- }
- void solve() {
- cin >> n;
- v.clear();
- v.resize(n, 0);
- t.clear();
- t.resize(4 * n, node({}));
- rep(i, n) {
- cin >> v[i];
- }
- build(0, 0, n);
- ll q; cin >> q;
- while (q--) {
- ll l, r, k;
- cin >> l >> r >> k;
- auto ans = get(0, 0, n, l, r + 1, k);
- cout << anss << '\n';
- }
- return;
- }
- int main(int argc , char ** argv) {
- ios_base::sync_with_stdio(false) ;
- cin.tie(NULL) ;
- ll t = 1;
- while (t--) {
- solve();
- }
- return 0 ;
- }
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