結果

問題 No.1234 典型RMQ
ユーザー emthrm
提出日時 2020-09-18 21:47:07
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 109 ms / 2,000 ms
コード長 3,046 bytes
コンパイル時間 2,351 ms
コンパイル使用メモリ 200,580 KB
最終ジャッジ日時 2025-01-14 16:54:51
ジャッジサーバーID
(参考情報)
judge4 / judge2
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample AC * 3
other AC * 27
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
using namespace std;
#define FOR(i,m,n) for(int i=(m);i<(n);++i)
#define REP(i,n) FOR(i,0,n)
#define ALL(v) (v).begin(),(v).end()
using ll = long long;
constexpr int INF = 0x3f3f3f3f;
constexpr ll LINF = 0x3f3f3f3f3f3f3f3fLL;
constexpr double EPS = 1e-8;
constexpr int MOD = 1000000007;
// constexpr int MOD = 998244353;
constexpr int dy[] = {1, 0, -1, 0}, dx[] = {0, -1, 0, 1};
constexpr int dy8[] = {1, 1, 0, -1, -1, -1, 0, 1}, dx8[] = {0, -1, -1, -1, 0, 1, 1, 1};
template <typename T, typename U> inline bool chmax(T &a, U b) { return a < b ? (a = b, true) : false; }
template <typename T, typename U> inline bool chmin(T &a, U b) { return a > b ? (a = b, true) : false; }
struct IOSetup {
IOSetup() {
cin.tie(nullptr);
ios_base::sync_with_stdio(false);
cout << fixed << setprecision(20);
}
} iosetup;
template <typename Monoid>
struct StarrySky {
StarrySky(int sz, const Monoid UNITY, const Monoid DEFAULT = 0) : UNITY(UNITY), DEFAULT(DEFAULT) {
init(sz);
dat.assign((n << 1) - 1, DEFAULT);
}
StarrySky(const std::vector<Monoid> &a, const Monoid &UNITY, const Monoid DEFAULT = 0) : UNITY(UNITY), DEFAULT(DEFAULT) {
int a_sz = a.size();
init(a_sz);
dat.resize((n << 1) - 1);
for (int i = 0; i < a_sz; ++i) dat[n - 1 + i] = a[i];
for (int i = n - 2; i >= 0; --i) dat[i] = std::min(dat[(i << 1) + 1], dat[(i << 1) + 2]);
}
void add(int a, int b, Monoid val) { add(a, b, val, 0, 0, n); }
Monoid query(int a, int b) const { return query(a, b, 0, 0, n); }
Monoid value(int idx) const {
idx += n - 1;
Monoid res = added[idx];
while (idx > 0) {
idx = (idx - 1) >> 1;
res += added[idx];
}
return res;
}
private:
int n = 1;
const Monoid UNITY, DEFAULT;
std::vector<Monoid> dat, added;
void init(int sz) {
while (n < sz) n <<= 1;
added.assign((n << 1) - 1, DEFAULT);
}
void add(int a, int b, Monoid val, int node, int left, int right) {
if (right <= a || b <= left) return;
if (a <= left && right <= b) {
added[node] += val;
} else {
add(a, b, val, (node << 1) + 1, left, (left + right) >> 1);
add(a, b, val, (node << 1) + 2, (left + right) >> 1, right);
dat[node] = std::min(dat[(node << 1) + 1] + added[(node << 1) + 1], dat[(node << 1) + 2] + added[(node << 1) + 2]);
}
}
Monoid query(int a, int b, int node, int left, int right) const {
if (right <= a || b <= left) return UNITY;
if (a <= left && right <= b) return dat[node] + added[node];
return std::min(query(a, b, (node << 1) + 1, left, (left + right) >> 1), query(a, b, (node << 1) + 2, (left + right) >> 1, right)) + added[node];
}
};
int main() {
int n; cin >> n;
vector<ll> a(n); REP(i, n) cin >> a[i];
StarrySky ss(a, LINF);
int q; cin >> q;
while (q--) {
int k, l, r, c; cin >> k >> l >> r >> c; --l; --r;
if (k == 1) {
ss.add(l, r + 1, c);
} else if (k == 2) {
cout << ss.query(l, r + 1) << '\n';
}
}
return 0;
}
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