This documentation is automatically generated by competitive-verifier/competitive-verifier
// competitive-verifier: PROBLEM http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=DSL_2_D
#include "../../template/template.hpp"
#include "../../structure/segment-tree/dual-segment-tree.hpp"
int main() {
int N, Q;
cin >> N >> Q;
auto h = [](int a, int b) { return b; };
auto id = []() { return INT_MAX; };
DualSegmentTree seg(LambdaAct(h, id), N);
while(Q--) {
int com;
cin >> com;
if(com == 0) {
int l, r, x;
cin >> l >> r >> x;
seg.apply(l, r + 1, x);
} else if(com == 1) {
int k;
cin >> k;
cout << seg[k] << "\n";
}
}
}
#line 1 "test/verify/aoj-dsl-2-d.test.cpp"
// competitive-verifier: PROBLEM http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=DSL_2_D
#line 1 "template/template.hpp"
#include <bits/stdc++.h>
#if __has_include(<atcoder/all>)
#include <atcoder/all>
#endif
using namespace std;
using int64 = long long;
const int64 infll = (1LL << 62) - 1;
const int inf = (1 << 30) - 1;
struct IoSetup {
IoSetup() {
cin.tie(nullptr);
ios::sync_with_stdio(false);
cout << fixed << setprecision(10);
cerr << fixed << setprecision(10);
}
} iosetup;
template <typename T1, typename T2>
ostream &operator<<(ostream &os, const pair<T1, T2> &p) {
os << p.first << " " << p.second;
return os;
}
template <typename T1, typename T2>
istream &operator>>(istream &is, pair<T1, T2> &p) {
is >> p.first >> p.second;
return is;
}
template <typename T>
ostream &operator<<(ostream &os, const vector<T> &v) {
for (int i = 0; i < (int)v.size(); i++) {
os << v[i] << (i + 1 != v.size() ? " " : "");
}
return os;
}
template <typename T>
istream &operator>>(istream &is, vector<T> &v) {
for (T &in : v) is >> in;
return is;
}
template <typename T1, typename T2>
inline bool chmax(T1 &a, T2 b) {
return a < b && (a = b, true);
}
template <typename T1, typename T2>
inline bool chmin(T1 &a, T2 b) {
return a > b && (a = b, true);
}
template <typename T = int64>
vector<T> make_v(size_t a) {
return vector<T>(a);
}
template <typename T, typename... Ts>
auto make_v(size_t a, Ts... ts) {
return vector<decltype(make_v<T>(ts...))>(a, make_v<T>(ts...));
}
template <typename T, typename V>
typename enable_if<is_class<T>::value == 0>::type fill_v(T &t, const V &v) {
t = v;
}
template <typename T, typename V>
typename enable_if<is_class<T>::value != 0>::type fill_v(T &t, const V &v) {
for (auto &e : t) fill_v(e, v);
}
template <typename F>
struct FixPoint : F {
explicit FixPoint(F &&f) : F(std::forward<F>(f)) {}
template <typename... Args>
decltype(auto) operator()(Args &&...args) const {
return F::operator()(*this, std::forward<Args>(args)...);
}
};
template <typename F>
inline decltype(auto) MFP(F &&f) {
return FixPoint<F>{std::forward<F>(f)};
}
#line 4 "test/verify/aoj-dsl-2-d.test.cpp"
#line 2 "structure/class/act.hpp"
template <typename F2, typename Composition, typename Id>
struct LambdaAct {
using F = F2;
F composition(const F &f, const F &g) const { return _composition(f, g); }
F id() const { return _id(); }
LambdaAct(Composition _composition, Id _id)
: _composition(_composition), _id(_id) {}
private:
Composition _composition;
Id _id;
};
template <typename Composition, typename Id>
LambdaAct(Composition _composition, Id _id)
-> LambdaAct<decltype(_id()), Composition, Id>;
/*
struct Act {
using F = ?;
static constexpr F composition(const F &f, const F &g) {}
static constexpr F id() const {}
};
*/
#line 2 "structure/segment-tree/dual-segment-tree.hpp"
template <typename Act>
struct DualSegmentTree {
using F = typename Act::F;
private:
int sz, height;
vector<F> lazy;
Act m;
inline void propagate(int k) {
if (lazy[k] != m.id()) {
lazy[2 * k + 0] = m.composition(lazy[2 * k + 0], lazy[k]);
lazy[2 * k + 1] = m.composition(lazy[2 * k + 1], lazy[k]);
lazy[k] = m.id();
}
}
inline void thrust(int k) {
for (int i = height; i > 0; i--) propagate(k >> i);
}
public:
DualSegmentTree(Act m, int n) : m(m) {
sz = 1;
height = 0;
while (sz < n) sz <<= 1, height++;
lazy.assign(2 * sz, m.id());
}
F get(int k) {
thrust(k += sz);
return lazy[k];
}
F operator[](int k) { return get(k); }
void apply(int a, int b, const F &f) {
thrust(a += sz);
thrust(b += sz - 1);
for (int l = a, r = b + 1; l < r; l >>= 1, r >>= 1) {
if (l & 1) lazy[l] = m.composition(lazy[l], f), ++l;
if (r & 1) --r, lazy[r] = m.composition(lazy[r], f);
}
}
};
#line 6 "test/verify/aoj-dsl-2-d.test.cpp"
int main() {
int N, Q;
cin >> N >> Q;
auto h = [](int a, int b) { return b; };
auto id = []() { return INT_MAX; };
DualSegmentTree seg(LambdaAct(h, id), N);
while(Q--) {
int com;
cin >> com;
if(com == 0) {
int l, r, x;
cin >> l >> r >> x;
seg.apply(l, r + 1, x);
} else if(com == 1) {
int k;
cin >> k;
cout << seg[k] << "\n";
}
}
}
Env | Name | Status | Elapsed | Memory |
---|---|---|---|---|
g++ | 00_sample_00.in |
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5 ms | 3 MB |
g++ | 00_sample_01.in |
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5 ms | 3 MB |
g++ | 01_rand_00.in |
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5 ms | 3 MB |
g++ | 01_rand_01.in |
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5 ms | 3 MB |
g++ | 01_rand_02.in |
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5 ms | 3 MB |
g++ | 01_rand_03.in |
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5 ms | 3 MB |
g++ | 01_rand_04.in |
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5 ms | 3 MB |
g++ | 01_rand_05.in |
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6 ms | 3 MB |
g++ | 02_corner_00.in |
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4 ms | 3 MB |
g++ | 02_corner_01.in |
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4 ms | 3 MB |
g++ | 03_large_00.in |
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7 ms | 3 MB |
g++ | 03_large_01.in |
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7 ms | 3 MB |
g++ | 03_large_02.in |
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7 ms | 3 MB |
g++ | 03_large_03.in |
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7 ms | 4 MB |
g++ | 04_maximum_00.in |
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24 ms | 4 MB |
g++ | 04_maximum_01.in |
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25 ms | 4 MB |
g++ | 04_maximum_02.in |
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27 ms | 4 MB |
g++ | 04_maximum_03.in |
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26 ms | 4 MB |
g++ | 05_critical_00.in |
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23 ms | 4 MB |
g++ | 05_critical_01.in |
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18 ms | 4 MB |
g++ | 05_critical_02.in |
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26 ms | 4 MB |
g++ | 05_critical_03.in |
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26 ms | 4 MB |
clang++ | 00_sample_00.in |
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5 ms | 3 MB |
clang++ | 00_sample_01.in |
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5 ms | 3 MB |
clang++ | 01_rand_00.in |
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5 ms | 3 MB |
clang++ | 01_rand_01.in |
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5 ms | 3 MB |
clang++ | 01_rand_02.in |
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5 ms | 3 MB |
clang++ | 01_rand_03.in |
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5 ms | 3 MB |
clang++ | 01_rand_04.in |
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5 ms | 3 MB |
clang++ | 01_rand_05.in |
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8 ms | 3 MB |
clang++ | 02_corner_00.in |
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5 ms | 3 MB |
clang++ | 02_corner_01.in |
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5 ms | 3 MB |
clang++ | 03_large_00.in |
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7 ms | 4 MB |
clang++ | 03_large_01.in |
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7 ms | 3 MB |
clang++ | 03_large_02.in |
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7 ms | 3 MB |
clang++ | 03_large_03.in |
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7 ms | 4 MB |
clang++ | 04_maximum_00.in |
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24 ms | 4 MB |
clang++ | 04_maximum_01.in |
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28 ms | 4 MB |
clang++ | 04_maximum_02.in |
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27 ms | 4 MB |
clang++ | 04_maximum_03.in |
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25 ms | 4 MB |
clang++ | 05_critical_00.in |
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23 ms | 4 MB |
clang++ | 05_critical_01.in |
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19 ms | 4 MB |
clang++ | 05_critical_02.in |
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25 ms | 4 MB |
clang++ | 05_critical_03.in |
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26 ms | 4 MB |