結果
| 問題 |
No.1234 典型RMQ
|
| コンテスト | |
| ユーザー |
hitonanode
|
| 提出日時 | 2020-09-18 22:26:30 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 107 ms / 2,000 ms |
| コード長 | 6,153 bytes |
| コンパイル時間 | 2,384 ms |
| コンパイル使用メモリ | 199,840 KB |
| 最終ジャッジ日時 | 2025-01-14 17:26:32 |
|
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 27 |
ソースコード
#include <bits/stdc++.h>
using namespace std;
using lint = long long;
using pint = pair<int, int>;
using plint = pair<lint, lint>;
struct fast_ios { fast_ios(){ cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(20); }; } fast_ios_;
#define ALL(x) (x).begin(), (x).end()
#define FOR(i, begin, end) for(int i=(begin),i##_end_=(end);i<i##_end_;i++)
#define IFOR(i, begin, end) for(int i=(end)-1,i##_begin_=(begin);i>=i##_begin_;i--)
#define REP(i, n) FOR(i,0,n)
#define IREP(i, n) IFOR(i,0,n)
template <typename T> void ndarray(vector<T> &vec, int len) { vec.resize(len); }
template <typename T, typename... Args> void ndarray(vector<T> &vec, int len, Args... args) { vec.resize(len); for (auto &v : vec) ndarray(v, args...); }
template <typename V, typename T> void ndfill(V &x, const T &val) { x = val; }
template <typename V, typename T> void ndfill(vector<V> &vec, const T &val) { for (auto &v : vec) ndfill(v, val); }
template <typename T> bool chmax(T &m, const T q) { if (m < q) {m = q; return true;} else return false; }
template <typename T> bool chmin(T &m, const T q) { if (m > q) {m = q; return true;} else return false; }
template <typename T1, typename T2> pair<T1, T2> operator+(const pair<T1, T2> &l, const pair<T1, T2> &r) { return make_pair(l.first + r.first, l.second + r.second); }
template <typename T1, typename T2> pair<T1, T2> operator-(const pair<T1, T2> &l, const pair<T1, T2> &r) { return make_pair(l.first - r.first, l.second - r.second); }
template <typename T> vector<T> srtunq(vector<T> vec) { sort(vec.begin(), vec.end()), vec.erase(unique(vec.begin(), vec.end()), vec.end()); return vec; }
template <typename T> istream &operator>>(istream &is, vector<T> &vec) { for (auto &v : vec) is >> v; return is; }
template <typename T> ostream &operator<<(ostream &os, const vector<T> &vec) { os << '['; for (auto v : vec) os << v << ','; os << ']'; return os; }
#if __cplusplus >= 201703L
template <typename... T> istream &operator>>(istream &is, tuple<T...> &tpl) { std::apply([&is](auto &&... args) { ((is >> args), ...);}, tpl); return is; }
template <typename... T> ostream &operator<<(ostream &os, const tuple<T...> &tpl) { std::apply([&os](auto &&... args) { ((os << args << ','), ...);}, tpl); return os; }
#endif
template <typename T> ostream &operator<<(ostream &os, const deque<T> &vec) { os << "deq["; for (auto v : vec) os << v << ','; os << ']'; return os; }
template <typename T> ostream &operator<<(ostream &os, const set<T> &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; }
template <typename T> ostream &operator<<(ostream &os, const unordered_set<T> &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; }
template <typename T> ostream &operator<<(ostream &os, const multiset<T> &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; }
template <typename T> ostream &operator<<(ostream &os, const unordered_multiset<T> &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; }
template <typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> &pa) { os << '(' << pa.first << ',' << pa.second << ')'; return os; }
template <typename TK, typename TV> ostream &operator<<(ostream &os, const map<TK, TV> &mp) { os << '{'; for (auto v : mp) os << v.first << "=>" << v.second << ','; os << '}'; return os; }
template <typename TK, typename TV> ostream &operator<<(ostream &os, const unordered_map<TK, TV> &mp) { os << '{'; for (auto v : mp) os << v.first << "=>" << v.second << ','; os << '}'; return os; }
#ifdef HITONANODE_LOCAL
#define dbg(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << ") " << __FILE__ << endl
#else
#define dbg(x)
#endif
// StarrySkyTree: segment tree for Range Minimum Query & Range Add Query
// Complexity: O(N) (construction), O(lg N) (add / get)
template <typename Tp>
struct RangeAddRangeMin
{
int N, head;
Tp defaultMin;
std::vector<Tp> range_min, range_add;
static inline Tp f(Tp x, Tp y) noexcept
{
return std::min(x, y);
}
inline void _merge(int pos)
{
range_min[pos] = f(range_min[pos * 2] + range_add[pos * 2], range_min[pos * 2 + 1] + range_add[pos * 2 + 1]);
}
void initialize(const std::vector<Tp> &data_init, Tp default_min)
{
N = data_init.size(), head = 1;
while (head < N) head <<= 1;
defaultMin = default_min;
range_min.assign(head * 2, defaultMin);
range_add.assign(head * 2, 0);
std::copy(data_init.begin(), data_init.end(), range_min.begin() + head);
for (int pos = head; --pos;) _merge(pos);
}
RangeAddRangeMin() = default;
RangeAddRangeMin(const std::vector<Tp> &data_init, Tp default_min)
{
initialize(data_init, default_min);
}
void _add(int begin, int end, int pos, int l, int r, Tp vadd) noexcept
{
if (r <= begin or end <= l) return;
if (begin <= l and r <= end)
{
range_add[pos] += vadd;
return;
}
_add(begin, end, pos * 2, l, (l + r) / 2, vadd);
_add(begin, end, pos * 2 + 1, (l + r) / 2, r, vadd);
_merge(pos);
}
// Add `vadd` to (x_begin, ..., x_{end - 1})
void add(int begin, int end, Tp vadd) noexcept
{
return _add(begin, end, 1, 0, head, vadd);
}
Tp _get(int begin, int end, int pos, int l, int r) const noexcept
{
if (r <= begin or end <= l) return defaultMin;
if (begin <= l and r <= end) return range_min[pos] + range_add[pos];
return f(_get(begin, end, pos * 2, l, (l + r) / 2), _get(begin, end, pos * 2 + 1, (l + r) / 2, r)) + range_add[pos];
}
// Return f(x_begin, ..., x_{end - 1})
Tp get(int begin, int end) const noexcept
{
return _get(begin, end, 1, 0, head);
}
};
int main()
{
int N;
cin >> N;
vector<lint> A(N);
cin >> A;
RangeAddRangeMin<lint> st(A, 1e18);
int Q;
cin >> Q;
while (Q--)
{
int k, l, r, c;
cin >> k >> l >> r >> c;
if (k == 1) st.add(l - 1, r, c);
else cout << st.get(l - 1, r) << '\n';
}
}
hitonanode