// Copyright © 2022 Youngmin Park. All rights reserved.
//#pragma GCC optimize("O3")
//#pragma GCC target("avx2")
#include <bits/stdc++.h>
using namespace std;
#pragma region TEMPLATE
using ll = long long;
using vi = vector<int>;
using pii = pair<int, int>;
using vpi = vector<pii>;
using pll = pair<ll, ll>;
using vl = vector<ll>;
using vpl = vector<pll>;
using ld = long double;
template <typename T, size_t SZ>
using ar = array<T, SZ>;
template <typename T>
using pqg = priority_queue<T, vector<T>, greater<T>>;
#define all(v) (v).begin(), (v).end()
#define pb push_back
#define sz(x) (int)(x).size()
#define fi first
#define se second
#define lb lower_bound
#define ub upper_bound
constexpr int INF = 1e9;
constexpr ll LINF = 1e18;
const ld PI = acos((ld)-1.0);
constexpr int dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1};
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
template <typename T>
constexpr bool ckmin(T &a, const T &b) { return b < a ? a = b, 1 : 0; }
template <typename T>
constexpr bool ckmax(T &a, const T &b) { return b > a ? a = b, 1 : 0; }
ll cdiv(ll a, ll b) { return a / b + ((a ^ b) > 0 && a % b); } // divide a by b rounded up
ll fdiv(ll a, ll b) { return a / b - ((a ^ b) < 0 && a % b); } // divide a by b rounded down
#ifdef LOCAL
#include "miscellaneous/debug.h"
#else
#define dbg(...) 42
#endif
inline namespace RecursiveLambda {
template <typename Fun>
struct y_combinator_result {
Fun fun_;
template <typename T>
explicit constexpr y_combinator_result(T &&fun) : fun_(forward<T>(fun)) {}
template <typename... Args>
constexpr decltype(auto) operator()(Args &&...args) const {
return fun_(ref(*this), forward<Args>(args)...);
}
};
template <typename Fun>
decltype(auto) y_combinator(Fun &&fun) {
return y_combinator_result<decay_t<Fun>>(forward<Fun>(fun));
}
};
#pragma endregion TEMPLATE
/**
* Description: Dynamic Segment Tree with no lazy propagation
* Half-open intervals are used for ranges
* Source: USACO Guide
* Verification: https://oj.uz/problem/view/IZhO12_apple
* Time Complexity: O(log SZ)
* Memory Complexity: O(QlogSZ)
*/
template <typename T>
struct Node {
T ans;
bool lazy;
Node *l, *r;
Node() : ans(T()), lazy(0), l(nullptr), r(nullptr) {}
T merge(const T& a, const T& b) { return a + b; }
void push(int lx, int rx) {
if (!lazy) return;
ans = rx - lx;
if (rx - lx == 1) return;
if (!l) l = new Node();
if (!r) r = new Node();
l->lazy = r->lazy = 1;
lazy = 0;
}
void range_upd(int lo, int hi, int lx, int rx) {
push(lx, rx);
if (lo >= rx || hi <= lx) return;
if (lo <= lx && rx <= hi) {
lazy = 1;
push(lx, rx);
return;
}
int mx = (lx + rx) / 2;
if (!l) l = new Node();
if (!r) r = new Node();
l->range_upd(lo, hi, lx, mx);
r->range_upd(lo, hi, mx, rx);
ans = merge(l->ans, r->ans);
}
T query(int lo, int hi, int lx, int rx) {
push(lx, rx);
if (lo >= rx || hi <= lx) return T();
if (lo <= lx && rx <= hi) { dbg(lx, rx, ans); return ans;}
int mx = (lx + rx) / 2;
T lef = (l ? l->query(lo, hi, lx, mx) : T());
T rig = (r ? r->query(lo, hi, mx, rx) : T());
return merge(lef, rig);
}
};
Node<int>* root = new Node<int>();
void solve() {
int Q, C{};
cin >> Q;
for (int i = 0; i < Q; i++) {
dbg();
int t, x, y;
cin >> t >> x >> y;
dbg(x, y);
if (t == 1) {
cout << (C = root->query(x + C, y + C + 1, 1, INF + 1)) << '\n';
}else{
root->range_upd(x + C, y + C + 1, 1, INF + 1);
}
}
}
int main() {
cin.tie(0)->sync_with_stdio(0);
cin.exceptions(cin.failbit);
int testcase = 1;
// cin >> testcase;
while (testcase--) {
solve();
}
#ifdef LOCAL
cerr << "Time elapsed: " << 1.0 * (double)clock() / CLOCKS_PER_SEC << " s.\n";
#endif
}
Compilation message
apple.cpp:7: warning: ignoring '#pragma region TEMPLATE' [-Wunknown-pragmas]
7 | #pragma region TEMPLATE
|
apple.cpp:65: warning: ignoring '#pragma endregion TEMPLATE' [-Wunknown-pragmas]
65 | #pragma endregion TEMPLATE
|
apple.cpp: In function 'void solve()':
apple.cpp:45:18: warning: statement has no effect [-Wunused-value]
45 | #define dbg(...) 42
| ^~
apple.cpp:126:3: note: in expansion of macro 'dbg'
126 | dbg();
| ^~~
apple.cpp:45:18: warning: statement has no effect [-Wunused-value]
45 | #define dbg(...) 42
| ^~
apple.cpp:129:3: note: in expansion of macro 'dbg'
129 | dbg(x, y);
| ^~~
apple.cpp: In instantiation of 'T Node<T>::query(int, int, int, int) [with T = int]':
apple.cpp:131:57: required from here
apple.cpp:45:18: warning: statement has no effect [-Wunused-value]
45 | #define dbg(...) 42
| ^~
apple.cpp:111:37: note: in expansion of macro 'dbg'
111 | if (lo <= lx && rx <= hi) { dbg(lx, rx, ans); return ans;}
| ^~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
256 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
15 ms |
5972 KB |
Output is correct |
| 5 |
Correct |
19 ms |
7072 KB |
Output is correct |
| 6 |
Correct |
19 ms |
6940 KB |
Output is correct |
| 7 |
Correct |
25 ms |
7088 KB |
Output is correct |
| 8 |
Correct |
156 ms |
52412 KB |
Output is correct |
| 9 |
Correct |
324 ms |
89192 KB |
Output is correct |
| 10 |
Correct |
311 ms |
99696 KB |
Output is correct |
| 11 |
Correct |
321 ms |
108248 KB |
Output is correct |
| 12 |
Correct |
331 ms |
111796 KB |
Output is correct |
| 13 |
Correct |
313 ms |
138964 KB |
Output is correct |
| 14 |
Correct |
314 ms |
140424 KB |
Output is correct |
| 15 |
Correct |
535 ms |
254612 KB |
Output is correct |
| 16 |
Correct |
553 ms |
256548 KB |
Output is correct |
| 17 |
Correct |
318 ms |
145240 KB |
Output is correct |
| 18 |
Correct |
315 ms |
145544 KB |
Output is correct |
| 19 |
Correct |
510 ms |
262144 KB |
Output is correct |
| 20 |
Correct |
562 ms |
262144 KB |
Output is correct |
