# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
377614 | Valera_Grinenko | Monkey and Apple-trees (IZhO12_apple) | C++17 | 150 ms | 262148 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#pragma GCC optimization ("unroll-loops")
#include <iostream>
#include <fstream>
#include <algorithm>
#include <vector>
#include <set>
#include <stack>
#include <map>
#include <unordered_map>
#include <iomanip>
#include <cmath>
#include <queue>
#include <bitset>
#include <numeric>
#include <array>
#include <cstring>
#include <random>
#include <chrono>
#define fi first
#define se second
#define pb push_back
#define mp make_pair
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define make_unique(x) sort(all((x))); (x).resize(unique(all((x))) - (x).begin())
typedef long long ll;
typedef long double ld;
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
// #include <ext/pb_ds/assoc_container.hpp>
// #include <ext/pb_ds/tree_policy.hpp>
// using namespace __gnu_pbds;
// template<class T>
// using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
//sparse segment lazyp tree
struct node {
int sum, lazy, tl, tr, l, r;
node() : sum(0), lazy(0), l(-1), r(-1) {}
};
const int N = 2e5 + 42;
node st[64 * N];
int cnt = 2;
void push(int node) {
if(st[node].lazy) {
st[node].sum = st[node].tr - st[node].tl + 1;
int tm = (st[node].tl + st[node].tr) / 2;
if(st[node].l == -1) {
st[node].l = cnt++;
st[st[node].l].tl = st[node].tl;
st[st[node].l].tr = tm;
}
if(st[node].r == -1) {
st[node].r = cnt++;
st[st[node].r].tl = tm + 1;
st[st[node].r].tr = st[node].tr;
}
st[st[node].l].lazy = st[st[node].r].lazy = 1;
st[node].lazy = 0;
}
}
void upd(int node, int l, int r) {
push(node);
if(l == st[node].tl && r == st[node].tr) {
st[node].lazy = 1;
push(node);
} else {
int tm = (st[node].tl + st[node].tr) / 2;
if(st[node].l == -1) {
st[node].l = cnt++;
st[st[node].l].tl = st[node].tl;
st[st[node].l].tr = tm;
}
if(st[node].r == -1) {
st[node].r = cnt++;
st[st[node].r].tl = tm + 1;
st[st[node].r].tr = st[node].tr;
}
if(l > tm) upd(st[node].r, l, r);
else if(r <= tm) upd(st[node].l, l, r);
else {
upd(st[node].l, l, tm);
upd(st[node].r, tm + 1, r);
}
push(st[node].l);
push(st[node].r);
st[node].sum = st[st[node].l].sum + st[st[node].r].sum;
}
}
int query(int node, int l, int r) {
push(node);
if(l == st[node].tl && r == st[node].tr) return st[node].sum;
else {
int tm = (st[node].tl + st[node].tr) / 2;
if(st[node].l == -1) {
st[node].l = cnt++;
st[st[node].l].tl = st[node].tl;
st[st[node].l].tr = tm;
}
if(st[node].r == -1) {
st[node].r = cnt++;
st[st[node].r].tl = tm + 1;
st[st[node].r].tr = st[node].tr;
}
if(l > tm) return query(st[node].r, l, r);
else if(r <= tm) return query(st[node].l, l, r);
else return query(st[node].l, l, tm) + query(st[node].r, tm + 1, r);
}
}
int main() {
ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
int m = 0;
cin >> m;
st[1].sum = 1;
st[1].lazy = 0;
st[1].tl = 1;
st[1].tr = 1e9 + 42;
int c = 0;
while(m--) {
int d, x, y;
cin >> d >> x >> y;
if(d == 2) upd(1, x + c, y + c);
else {
int ans = query(1, x + c, y + c);
c = ans;
cout << ans << '\n';
}
}
return 0;
}
/*
*/
Compilation message (stderr)
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