結果
| 問題 |
No.877 Range ReLU Query
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2019-09-06 22:38:46 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 179 ms / 2,000 ms |
| コード長 | 5,140 bytes |
| コンパイル時間 | 3,543 ms |
| コンパイル使用メモリ | 203,576 KB |
| 実行使用メモリ | 13,696 KB |
| 最終ジャッジ日時 | 2024-11-08 10:07:44 |
| 合計ジャッジ時間 | 6,837 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | AC * 20 |
ソースコード
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
template <class T> using treap = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
#define int long long
#define REP(i, n) for (long long i = 0, max_i = (n); i < max_i; i++)
#define REPI(i, a, b) for (long long i = (a), max_i = (b); i < max_i; i++)
#define ALL(obj) begin(obj), end(obj)
#define RALL(obj) rbegin(obj), rend(obj)
#define fi first
#define se second
using ii = pair<int, int>;
vector<ii> dirs = {
{1, 0}, {0, 1}, {-1, 0}, {0, -1}, // 4方向
{1, 1}, {-1, 1}, {-1, -1}, {1, -1}, // 斜め
{0, 0}, // 自身
};
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; }
template <class T, class S> vector<T> make_vec(size_t n, S x) { return vector<T>(n, x); }
template <class T, class... Ts> auto make_vec(size_t n, Ts... ts) { return vector<decltype(make_vec<T>(ts...))>(n, make_vec<T>(ts...)); }
// debug
template <class T> ostream& operator<<(ostream& s, vector<T>& d) { REP (i, d.size()) s << d[i] << (i == d.size() - 1 ? "" : " "); return s; }
template <class T> ostream& operator<<(ostream& s, vector<vector<T>>& d) { REP (i, d.size()) s << d[i] << (i == d.size() - 1 ? "" : "\n"); return s; }
template <class T, class S> ostream& operator<<(ostream& s, pair<T, S>& p) { s << "{" << p.first << ", " << p.second << "}"; return s; }
template <class T, class S> ostream& operator<<(ostream& s, map<T, S> m) { for (auto it = m.begin(); it != m.end(); it++) { s << *it << (next(it) == m.end() ? "" : "\n"); } return s; }
template <class T, class S> ostream& operator<<(ostream& s, unordered_map<T, S> m) { for (auto it = m.begin(); it != m.end(); it++) { s << *it << (next(it) == m.end() ? "" : "\n"); } return s; }
#ifdef _MY_DEBUG
#define dump(...) cerr << "/* " << #__VA_ARGS__ << " :[" << __LINE__ << ":" << __FUNCTION__ << "]" << endl, dump_func(__VA_ARGS__), cerr << "*/\n\n";
#else
#define dump(...)
#define endl "\n"
#endif
void dump_func() { cerr << endl; }
template <class Head, class... Tail> void dump_func(Head&& h, Tail&&... t) { cerr << h << (sizeof...(Tail) == 0 ? "" : ", "), dump_func(forward<Tail>(t)...); }
struct Fast { Fast() { cin.tie(0); ios::sync_with_stdio(false); } } fast;
mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
constexpr int MOD = 1000000007;
// *************** TEMPLATE END ***************
template <class T = int>
class SegTree {
using VT = vector<T>;
int orig_n;
// k番目のノードの[l, r)について[a, b)を求める
T query(int a, int b, int k, int l, int r) {
if (r <= a || b <= l) {
return UNIT;
}
if (a <= l && r <= b) {
return dat[k];
}
T vl = query(a, b, k * 2 + 1, l, (l + r) / 2);
T vr = query(a, b, k * 2 + 2, (l + r) / 2, r);
return f(vl, vr);
}
public:
int N;
VT dat;
function<T(T, T)> f;
T UNIT;
SegTree() {}
SegTree(int n, function<T(T, T)> f_, const T unit) : orig_n(n), f(f_), UNIT(unit) {
for (N = 1; N < n; N *= 2)
;
dat = VT(2 * N - 1, UNIT);
}
SegTree(
const VT& a, function<T(T, T)> f_ = [](int a, int b) { return min(a, b); }, T unit = 1e15)
: orig_n(a.size()), f(f_), UNIT(unit) {
for (N = 1; N < orig_n; N *= 2)
;
dat = VT(2 * N - 1);
REP(i, a.size()) { dat[N - 1 + i] = a[i]; }
for (int k = N - 2; k >= 0; k--) {
dat[k] = f(dat[2 * k + 1], dat[2 * k + 2]);
}
}
// k番目をaに
void update(int k, T a) {
k += N - 1;
dat[k] = a;
while (k > 0) {
k = (k - 1) / 2;
dat[k] = f(dat[2 * k + 1], dat[2 * k + 2]);
}
}
// [a, b)でのクエリ
T query(int a, int b) {
assert(0 <= a && a < b && b <= orig_n);
return query(a, b, 0, 0, N);
}
T query(int a) { return query(a, a + 1); }
};
signed main() {
int n, Q; cin >> n >> Q;
vector<int> a(n); REP (i, n) cin >> a[i];
vector<int> idx(n);
REP (i, n) idx[i] = i;
sort(ALL(idx), [&](int i, int j) {
return a[i] < a[j];
});
vector<int> ls(Q), rs(Q), xs(Q);
int t;
REP (i, Q) cin >> t >> ls[i] >> rs[i] >> xs[i], ls[i]--, rs[i];
vector<int> ord(Q);
REP (i, Q) ord[i] = i;
sort(ALL(ord), [&](int i, int j) {
return xs[i] < xs[j];
});
vector<int> b(n, 1);
SegTree<int> sum(a, plus<int>(), 0);
SegTree<int> num(b, plus<int>(), 0);
int cur = 0;
vector<int> ans(Q);
REP (i, Q) {
int l = ls[ord[i]], r = rs[ord[i]], x = xs[ord[i]];
while (cur < n && a[idx[cur]] < x) {
num.update(idx[cur], 0);
sum.update(idx[cur], 0);
cur++;
}
ans[ord[i]] = sum.query(l, r) - num.query(l, r) * x;
}
REP (i, Q) cout << ans[i] << endl;
}