// Copyright © 2022 Youngmin Park. All rights reserved.
//#pragma GCC optimize("O3")
//#pragma GCC target("avx2")
#include <bits/stdc++.h>
using namespace std;
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; }
template <typename A, typename B>
ostream &operator<<(ostream &os, const pair<A, B> &p)
{
return os << '(' << p.first << ", " << p.second << ')';
}
template <typename T_container, typename T = typename enable_if<!is_same<T_container, string>::value, typename T_container::value_type>::type>
ostream &operator<<(ostream &os, const T_container &v)
{
os << '{';
string sep;
for (const T &x : v)
os << sep << x, sep = ", ";
return os << '}';
}
template <typename T>
ostream &operator<<(ostream &os, const deque<T> &v) {
os << vector<T>(all(v));
return os;
}
template <typename T, typename S, typename C>
ostream &operator<<(ostream &os, priority_queue<T, S, C> pq) {
vector<T> v;
while (sz(pq)) {
v.pb(pq.top());
pq.pop();
}
os << v;
return os;
}
void dbg_out()
{
cerr << "\033[0m" << endl;
}
template <typename Head, typename... Tail>
void dbg_out(Head H, Tail... T)
{
cerr << ' ' << H;
dbg_out(T...);
}
#ifdef LOCAL
#define dbg(...) cerr << "\033[1;35m(" << #__VA_ARGS__ << "):\033[33m", dbg_out(__VA_ARGS__)
#else
#define dbg(...) 42
#endif
inline namespace RecursiveLambda
{
template <typename Fun>
struct y_combinator_result
{
Fun fun_;
template <typename T>
explicit y_combinator_result(T &&fun) : fun_(forward<T>(fun)) {}
template <typename... Args>
decltype(auto) operator()(Args &&...args)
{
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));
}
};
class Range {
struct Iter
{
int iter;
constexpr Iter(int it) noexcept : iter(it) {}
constexpr void operator++() noexcept { iter++; }
constexpr bool operator!=(const Iter &other) const noexcept { return iter != other.iter; }
constexpr int operator*() const noexcept { return iter; }
};
const Iter first, last;
public:
explicit constexpr Range(const int f, const int l) noexcept : first(f), last(max(f, l)) {}
constexpr Iter begin() const noexcept { return first; }
constexpr Iter end() const noexcept { return last; }
};
constexpr Range rep(const int l, const int r) noexcept { return Range(l, r); }
constexpr Range rep(const int n) noexcept { return Range(0, n); }
class ReversedRange {
struct Iter {
int itr;
constexpr Iter(const int pos) noexcept : itr(pos) {}
constexpr void operator++() noexcept { --itr; }
constexpr bool operator!=(const Iter& other) const noexcept { return itr != other.itr; }
constexpr int operator*() const noexcept { return itr; }
};
const Iter first, last;
public:
explicit constexpr ReversedRange(const int f, const int l) noexcept
: first(l - 1), last(min(f, l) - 1) {}
constexpr Iter begin() const noexcept { return first; }
constexpr Iter end() const noexcept { return last; }
};
constexpr ReversedRange per(const int l, const int r) noexcept { return ReversedRange(l, r); }
constexpr ReversedRange per(const int n) noexcept { return ReversedRange(0, n); }
/**
* Description: Dynamic Segment Tree with no lazy propagation
* Source: USACO Guide
* Verification:
* Time Complexity: O(log SZ) time & memory per query
*/
template <typename T, typename V = int, V SZ = 1 << 30> // change SZ accordingly
struct SparseSeg {
T val = T();
SparseSeg<T>* c[2];
SparseSeg() { c[0] = c[1] = nullptr; }
void push(int L, int R) {
if (val.lazy == 0) return;
val.sum = R - L;
if (R - L > 1) {
if (!c[0]) c[0] = new SparseSeg();
if (!c[1]) c[1] = new SparseSeg();
c[0]->val.lazy = 1;
c[1]->val.lazy = 1;
}
val.lazy = 0;
}
void rangeUpd(V lo, V hi, V L = 0, V R = SZ) {
push(L, R);
if (lo >= R || hi <= L) return;
if (lo <= L && R <= hi) {
val.lazy = 1;
push(L, R);
return;
}
int M = (L + R) / 2;
if (!c[0]) c[0] = new SparseSeg();
if (!c[1]) c[1] = new SparseSeg();
c[0]->rangeUpd(lo, hi, L, M);
c[1]->rangeUpd(lo, hi, M, R);
val.sum = c[0]->val.sum + c[1]->val.sum;
}
void upd(V ind, T v, V L = 0, V R = SZ) {
if (R - L == 1) {
val = val + v;
return;
}
V M = (L + R) / 2;
if (ind < M) {
if (!c[0]) c[0] = new SparseSeg();
c[0]->upd(ind, v, L, M);
}else{
if (!c[1]) c[1] = new SparseSeg();
c[1]->upd(ind, v, M, R);
}
val = T();
for (int i : rep(2)) if (c[i]) val = val + c[i]->val;
}
T query(V lo, V hi, V L = 0, V R = SZ) {
push(L, R);
if (hi <= L || lo >= R) return T();
if (lo <= L && R <= hi) return val;
V M = (L + R) / 2;
T res = T();
if (c[0]) res = res + c[0]->query(lo, hi, L, M);
if (c[1]) res = res + c[1]->query(lo, hi, M, R);
return res;
}
void parallelUpd(V ind, SparseSeg* c0, SparseSeg* c1, V L = 0, V R = SZ) {
if (R - L > 1) {
V M = (L + R) / 2;
if (ind < M) {
if (!c[0]) c[0] = new SparseSeg();
c[0]->parallelUpd(ind, c0 ? c0->c[0] : nullptr, c1 ? c1->c[0] : nullptr, L, M);
}else{
if (!c[1]) c[1] = new SparseSeg();
c[1]->parallelUpd(ind, c0 ? c0->c[1] : nullptr, c1 ? c1->c[1] : nullptr, L, M);
}
}
val = (c0 ? c0->val : T()) + (c1 ? c1->val : T());
}
};
struct Node {
int sum, lazy;
Node(int sum_ = 0, int lazy_ = 0) : sum(sum_), lazy(lazy_) {}
Node operator+(const Node& other) const {
return {sum + other.sum, 0};
}
};
void solve()
{
int m;
cin >> m;
SparseSeg<Node> st;
int c = 0;
for (int i : rep(m)) {
int d, x, y;
cin >> d >> x >> y;
x--, y--;
if (d == 1) {
c = st.query(x + c, y + c + 1).sum;
cout << c << '\n';
}else{
st.rangeUpd(x + c, y + c + 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: In function 'void solve()':
apple.cpp:236:11: warning: unused variable 'i' [-Wunused-variable]
236 | for (int i : rep(m)) {
| ^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
17 ms |
5716 KB |
Output is correct |
| 5 |
Correct |
24 ms |
6852 KB |
Output is correct |
| 6 |
Correct |
17 ms |
6612 KB |
Output is correct |
| 7 |
Correct |
17 ms |
6948 KB |
Output is correct |
| 8 |
Correct |
135 ms |
49996 KB |
Output is correct |
| 9 |
Correct |
273 ms |
88216 KB |
Output is correct |
| 10 |
Correct |
311 ms |
95144 KB |
Output is correct |
| 11 |
Correct |
291 ms |
103192 KB |
Output is correct |
| 12 |
Correct |
303 ms |
106688 KB |
Output is correct |
| 13 |
Correct |
306 ms |
134660 KB |
Output is correct |
| 14 |
Correct |
289 ms |
135688 KB |
Output is correct |
| 15 |
Correct |
502 ms |
246768 KB |
Output is correct |
| 16 |
Correct |
511 ms |
248896 KB |
Output is correct |
| 17 |
Correct |
292 ms |
140772 KB |
Output is correct |
| 18 |
Correct |
303 ms |
140592 KB |
Output is correct |
| 19 |
Correct |
488 ms |
254728 KB |
Output is correct |
| 20 |
Correct |
490 ms |
255064 KB |
Output is correct |
