結果
| 問題 |
No.1234 典型RMQ
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2021-02-12 21:09:04 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 84 ms / 2,000 ms |
| コード長 | 6,266 bytes |
| コンパイル時間 | 2,051 ms |
| コンパイル使用メモリ | 203,836 KB |
| 最終ジャッジ日時 | 2025-01-18 17:51:51 |
|
ジャッジサーバーID (参考情報) |
judge4 / judge4 |
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| 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 ll = long long;
using ld = long double;
using VI = vector<int>;
using VL = vector<ll>;
using VS = vector<string>;
template<class T> using PQ = priority_queue<T, vector<T>, greater<T>>;
using graph = vector<VI>;
template<class T = ll> using w_graph = vector<vector<pair<int, T>>>;
#define FOR(i,a,n) for(int i=(a);i<(n);++i)
#define eFOR(i,a,n) for(int i=(a);i<=(n);++i)
#define rFOR(i,a,n) for(int i=(n)-1;i>=(a);--i)
#define erFOR(i,a,n) for(int i=(n);i>=(a);--i)
#define SORT(a) sort(a.begin(),a.end())
#define rSORT(a) sort(a.rbegin(),a.rend())
#define fSORT(a,f) sort(a.begin(),a.end(),f)
#define all(a) a.begin(),a.end()
#define out(y,x) ((y)<0||h<=(y)||(x)<0||w<=(x))
#define tp(a,i) get<i>(a)
#ifdef _DEBUG
#define line cout << "-----------------------------\n"
#define stop system("pause")
#endif
constexpr ll INF = 1000000000;
constexpr ll LLINF = 1LL << 60;
constexpr ll mod = 1000000007;
constexpr ll MOD = 998244353;
constexpr ld eps = 1e-10;
constexpr ld pi = 3.1415926535897932;
template<class T>inline bool chmax(T& a, const T& b) { if (a < b) { a = b; return true; }return false; }
template<class T>inline bool chmin(T& a, const T& b) { if (a > b) { a = b; return true; }return false; }
inline void init() { cin.tie(nullptr); cout.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(15); }
template<class T>inline istream& operator>>(istream& is, vector<T>& v) { for (auto& a : v)is >> a; return is; }
template<class T, class U>inline istream& operator>>(istream& is, pair<T, U>& p) { is >> p.first >> p.second; return is; }
template<class T>inline vector<T> vec(size_t a) { return vector<T>(a); }
template<class T>inline vector<T> defvec(T def, size_t a) { return vector<T>(a, def); }
template<class T, class... Ts>inline auto vec(size_t a, Ts... ts) { return vector<decltype(vec<T>(ts...))>(a, vec<T>(ts...)); }
template<class T, class... Ts>inline auto defvec(T def, size_t a, Ts... ts) { return vector<decltype(defvec<T>(def, ts...))>(a, defvec<T>(def, ts...)); }
template<class T>inline void print(const T& a) { cout << a << "\n"; }
template<class T, class... Ts>inline void print(const T& a, const Ts&... ts) { cout << a << " "; print(ts...); }
template<class T>inline void print(const vector<T>& v) { for (int i = 0; i < v.size(); ++i)cout << v[i] << (i == v.size() - 1 ? "\n" : " "); }
template<class T>inline void print(const vector<vector<T>>& v) { for (auto& a : v)print(a); }
inline string reversed(const string& s) { string t = s; reverse(all(t)); return t; }
template<class T>inline T sum(const vector<T>& a, int l, int r) { return a[r] - (l == 0 ? 0 : a[l - 1]); }
template<class T>inline void END(T s) { print(s); exit(0); }
void END() { exit(0); }
template<class Op> class LazySegmentTree {
using T = typename Op::T;
using LT = typename Op::LT;
int n, len, hei;
vector<T> dat;
vector<LT> lazy;
vector<pair<int, int>> range;
void evaluate(int k) {
if (lazy[k] == Op::lazy_unit)return;
dat[k] = Op::propagate(dat[k], lazy[k],
range[k].second - range[k].first);
if (k < len) {
lazy[k << 1] = Op::lazy_merge(lazy[k << 1], lazy[k]);
lazy[k << 1 | 1] = Op::lazy_merge(lazy[k << 1 | 1], lazy[k]);
}
lazy[k] = Op::lazy_unit;
}
public:
LazySegmentTree(const int _n) : n(_n) {
for (len = 1, hei = 0; len < n; len <<= 1, ++hei);
dat.resize(len << 1, Op::unit);
lazy.resize(len << 1, Op::lazy_unit);
range.resize(len << 1);
for (int i = 0; i < len; ++i)
range[i + len] = make_pair(i, i + 1);
for (int i = len - 1; 0 < i; --i)
range[i] = make_pair(range[i << 1].first, range[i << 1 | 1].second);
}
LazySegmentTree(const vector<T>& v) : n(v.size()) {
for (len = 1, hei = 0; len < n; len <<= 1, ++hei);
dat.resize(len << 1, Op::unit);
lazy.resize(len << 1, Op::lazy_unit);
range.resize(len << 1);
for (int i = 0; i < n; ++i)dat[i + len] = v[i];
for (int i = 0; i < len; ++i)
range[i + len] = make_pair(i, i + 1);
for (int i = len - 1; 0 < i; --i) {
dat[i] = Op::merge(dat[i << 1], dat[i << 1 | 1]);
range[i] = make_pair(range[i << 1].first, range[i << 1 | 1].second);
}
}
inline void update(int x, int y, const LT a) {
int l = x + len, r = y + len - 1;
for (int i = hei; 0 < i; --i) {
evaluate(l >> i);
evaluate(r >> i);
}
for (++r; l < r; l >>= 1, r >>= 1) {
if (l & 1) {
lazy[l] = Op::lazy_merge(lazy[l], a);
evaluate(l);
++l;
}
if (r & 1) {
--r;
lazy[r] = Op::lazy_merge(lazy[r], a);
evaluate(r);
}
}
l = x + len >> 1, r = y + len - 1 >> 1;
for (; 0 < l; l >>= 1, r >>= 1) {
if (lazy[l] == Op::lazy_unit) {
dat[l] = Op::merge(
Op::propagate(dat[l << 1], lazy[l << 1], range[l << 1].second - range[l << 1].first),
Op::propagate(dat[l << 1 | 1], lazy[l << 1 | 1], range[l << 1 | 1].second - range[l << 1 | 1].first));
}
if (lazy[r] == Op::lazy_unit) {
dat[r] = Op::merge(
Op::propagate(dat[r << 1], lazy[r << 1], range[r << 1].second - range[r << 1].first),
Op::propagate(dat[r << 1 | 1], lazy[r << 1 | 1], range[r << 1 | 1].second - range[r << 1 | 1].first));
}
}
}
inline T value(int x, int y) {
int l = x + len, r = y + len - 1;
for (int i = hei; 0 < i; --i) {
evaluate(l >> i);
evaluate(r >> i);
}
T vl = Op::unit, vr = Op::unit;
for (++r; l < r; l >>= 1, r >>= 1) {
if (l & 1) {
vl = Op::merge(vl, Op::propagate(dat[l], lazy[l], range[l].second - range[l].first));
++l;
}
if (r & 1) {
--r;
vr = Op::merge(Op::propagate(dat[r], lazy[r], range[r].second - range[r].first), vr);
}
}
return Op::merge(vl, vr);
}
};
template<class Type, class LazyType> struct node {
using T = Type;
using LT = LazyType;
inline static T unit = LLINF;
inline static LT lazy_unit = 0;
inline static T merge(T vl, T vr) { return min(vl, vr); }
inline static LT lazy_merge(LT vl, LT vr) { return vl + vr; }
inline static T propagate(T vl, LT vr, int len) { return vl + vr; }
};
int main() {
init();
int n; cin >> n;
VL a(n); cin >> a;
LazySegmentTree<node<ll, ll>> seg(a);
int q; cin >> q;
while (q--) {
int k, l, r, c; cin >> k >> l >> r >> c;
--l;
if (k == 1)seg.update(l, r, c);
else print(seg.value(l, r));
}
return 0;
}