結果
| 問題 |
No.2333 Slime Structure
|
| コンテスト | |
| ユーザー |
 rin204
|
| 提出日時 | 2023-06-11 20:34:40 |
| 言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 268 ms / 3,000 ms |
| コード長 | 11,234 bytes |
| コンパイル時間 | 4,182 ms |
| コンパイル使用メモリ | 300,852 KB |
| 実行使用メモリ | 74,500 KB |
| 最終ジャッジ日時 | 2025-01-03 04:11:55 |
| 合計ジャッジ時間 | 14,393 ms |
|
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 * 2 |
| other | AC * 31 |
ソースコード
// start A.cpp
// #pragma GCC target("avx2")
// #pragma GCC optimize("O3")
// #pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ull = unsigned long long;
template <class T>
using pq = priority_queue<T>;
template <class T>
using qp = priority_queue<T, vector<T>, greater<T>>;
#define vec(T, A, ...) vector<T> A(__VA_ARGS__);
#define vvec(T, A, h, ...) vector<vector<T>> A(h, vector<T>(__VA_ARGS__));
#define vvvec(T, A, h1, h2, ...) vector<vector<vector<T>>> A(h1, vector<vector<T>>(h2, vector<T>(__VA_ARGS__)));
#ifndef RIN__LOCAL
#define endl "\n"
#endif
#define spa ' '
#define len(A) A.size()
#define all(A) begin(A), end(A)
#define fori1(a) for (ll _ = 0; _ < (a); _++)
#define fori2(i, a) for (ll i = 0; i < (a); i++)
#define fori3(i, a, b) for (ll i = (a); i < (b); i++)
#define fori4(i, a, b, c) for (ll i = (a); ((c) > 0 || i > (b)) && ((c) < 0 || i < (b)); i += (c))
#define overload4(a, b, c, d, e, ...) e
#define fori(...) overload4(__VA_ARGS__, fori4, fori3, fori2, fori1)(__VA_ARGS__)
vector<char> stoc(string &S) {
int n = S.size();
vector<char> ret(n);
for (int i = 0; i < n; i++) ret[i] = S[i];
return ret;
}
#define INT(...) \
int __VA_ARGS__; \
inp(__VA_ARGS__);
#define LL(...) \
ll __VA_ARGS__; \
inp(__VA_ARGS__);
#define STRING(...) \
string __VA_ARGS__; \
inp(__VA_ARGS__);
#define CHAR(...) \
char __VA_ARGS__; \
inp(__VA_ARGS__);
#define VEC(T, A, n) \
vector<T> A(n); \
inp(A);
#define VVEC(T, A, n, m) \
vector<vector<T>> A(n, vector<T>(m)); \
inp(A);
const ll MOD1 = 1000000007;
const ll MOD9 = 998244353;
template <class T>
auto min(const T &a) {
return *min_element(all(a));
}
template <class T>
auto max(const T &a) {
return *max_element(all(a));
}
template <class T, class S>
auto clamp(T &a, const S &l, const S &r) {
return (a > r ? r : a < l ? l : a);
}
template <class T, class S>
inline bool chmax(T &a, const S &b) {
return (a < b ? a = b, 1 : 0);
}
template <class T, class S>
inline bool chmin(T &a, const S &b) {
return (a > b ? a = b, 1 : 0);
}
template <class T, class S>
inline bool chclamp(T &a, const S &l, const S &r) {
auto b = clamp(a, l, r);
return (a != b ? a = b, 1 : 0);
}
void FLUSH() {
cout << flush;
}
void print() {
cout << endl;
}
template <class Head, class... Tail>
void print(Head &&head, Tail &&... tail) {
cout << head;
if (sizeof...(Tail)) cout << spa;
print(forward<Tail>(tail)...);
}
template <typename T>
void print(vector<T> &A) {
int n = A.size();
for (int i = 0; i < n; i++) {
cout << A[i];
if (i != n - 1) cout << ' ';
}
cout << endl;
}
template <typename T>
void print(vector<vector<T>> &A) {
for (auto &row : A) print(row);
}
template <typename T, typename S>
void print(pair<T, S> &A) {
cout << A.first << spa << A.second << endl;
}
template <typename T, typename S>
void print(vector<pair<T, S>> &A) {
for (auto &row : A) print(row);
}
template <typename T, typename S>
void prisep(vector<T> &A, S sep) {
int n = A.size();
for (int i = 0; i < n; i++) {
cout << A[i];
if (i != n - 1) cout << sep;
}
cout << endl;
}
template <typename T, typename S>
void priend(T A, S end) {
cout << A << end;
}
template <typename T>
void priend(T A) {
priend(A, spa);
}
template <typename T, typename S>
bool printif(bool f, T A, S B) {
if (f)
print(A);
else
print(B);
return f;
}
template <class... T>
void inp(T &... a) {
(cin >> ... >> a);
}
template <typename T>
void inp(vector<T> &A) {
for (auto &a : A) cin >> a;
}
template <typename T>
void inp(vector<vector<T>> &A) {
for (auto &row : A) inp(row);
}
template <typename T, typename S>
void inp(pair<T, S> &A) {
inp(A.first, A.second);
}
template <typename T, typename S>
void inp(vector<pair<T, S>> &A) {
for (auto &row : A) inp(row.first, row.second);
}
template <typename T>
T sum(vector<T> &A) {
T tot = 0;
for (auto a : A) tot += a;
return tot;
}
template <typename T>
vector<T> compression(vector<T> X) {
sort(all(X));
X.erase(unique(all(X)), X.end());
return X;
}
vector<vector<int>> read_edges(int n, int m, bool direct = false, int indexed = 1) {
vector<vector<int>> edges(n, vector<int>());
for (int i = 0; i < m; i++) {
INT(u, v);
u -= indexed;
v -= indexed;
edges[u].push_back(v);
if (!direct) edges[v].push_back(u);
}
return edges;
}
vector<vector<int>> read_tree(int n, int indexed = 1) {
return read_edges(n, n - 1, false, indexed);
}
template <typename T>
vector<vector<pair<int, T>>> read_wedges(int n, int m, bool direct = false, int indexed = 1) {
vector<vector<pair<int, T>>> edges(n, vector<pair<int, T>>());
for (int i = 0; i < m; i++) {
INT(u, v);
T w;
inp(w);
u -= indexed;
v -= indexed;
edges[u].push_back({v, w});
if (!direct) edges[v].push_back({u, w});
}
return edges;
}
template <typename T>
vector<vector<pair<int, T>>> read_wtree(int n, int indexed = 1) {
return read_wedges<T>(n, n - 1, false, indexed);
}
inline bool yes(bool f = true) {
cout << (f ? "yes" : "no") << endl;
return f;
}
inline bool Yes(bool f = true) {
cout << (f ? "Yes" : "No") << endl;
return f;
}
inline bool YES(bool f = true) {
cout << (f ? "YES" : "NO") << endl;
return f;
}
inline bool no(bool f = true) {
cout << (!f ? "yes" : "no") << endl;
return f;
}
inline bool No(bool f = true) {
cout << (!f ? "Yes" : "No") << endl;
return f;
}
inline bool NO(bool f = true) {
cout << (!f ? "YES" : "NO") << endl;
return f;
}
// start data_structure/segTree.hpp
template <class S, S (*op)(S, S), S (*e)()>
struct segtree {
public:
segtree(vector<S> &v) : _n(int(v.size())) {
size = 1;
log = 0;
while (size < _n) {
log++;
size <<= 1;
}
d = vector<S>(2 * size, e());
for (int i = 0; i < _n; i++) d[size + i] = v[i];
for (int i = size - 1; i >= 1; i--) update(i);
}
segtree(int n) : segtree(vector<S>(n, e())){};
void set(int p, S x) {
p += size;
d[p] = x;
for (int i = 1; i <= log; i++) update(p >> i);
}
S get(int p) {
return d[p + size];
}
S prod(int l, int r) {
S sml = e(), smr = e();
l += size;
r += size;
while (l < r) {
if (l & 1) sml = op(sml, d[l++]);
if (r & 1) smr = op(d[--r], smr);
l >>= 1;
r >>= 1;
}
return op(sml, smr);
}
private:
int _n, size, log;
vector<S> d;
void update(int k) {
d[k] = op(d[2 * k], d[2 * k + 1]);
}
};
// end data_structure/segTree.hpp
// restart A.cpp
struct S {
ll len;
ll sum;
ll max;
ll lmax;
ll rmax;
};
S e() {
return S{0, 0, 0, 0, 0};
}
S op(S l, S r) {
if (l.len == 0) return r;
if (r.len == 0) return l;
S ret;
ret.len = l.len + r.len;
ret.sum = l.sum + r.sum;
ret.max = max({l.max, r.max, l.rmax + max(0LL, r.lmax), max(0LL, l.rmax) + r.lmax});
ret.lmax = max(l.lmax, l.sum + r.lmax);
ret.rmax = max(r.rmax, r.sum + l.rmax);
return ret;
}
void solve() {
INT(n);
vec(ll, X, 1, 0);
vec(ll, A, n);
vec(ll, B, n);
ll tot = 0;
fori(i, n) {
inp(B[i], A[i]);
tot += A[i];
A[i] = tot;
X.push_back(tot);
}
INT(Q);
vvec(ll, query, Q, 3);
fori(i, Q) {
LL(t, x, y);
query[i] = {t, x, y};
if (t == 1) {
X.push_back(x - 1);
X.push_back(x);
X.push_back(x + 1);
} else {
X.push_back(x - 1);
X.push_back(x);
X.push_back(y);
X.push_back(y + 1);
}
}
X = compression(X);
int p = 0;
int le = len(X);
ll add = B[0];
vec(S, ini, le);
fori(i, le - 1) {
if (X[i] == A[p]) {
p++;
add = B[p];
}
ini[i].len = X[i + 1] - X[i];
ini[i].sum = add * ini[i].len;
ini[i].max = ini[i].lmax = ini[i].rmax = max(add, ini[i].sum);
ll x = X[i];
}
segtree<S, op, e> seg(ini);
auto res = seg.prod(0, le);
fori(i, Q) {
if (query[i][0] == 1) {
ll x = query[i][1];
ll y = query[i][2];
x = lower_bound(all(X), x) - X.begin();
seg.set(x - 1, S{1, y, y, y, y});
} else {
ll l = query[i][1];
ll r = query[i][2];
l = lower_bound(all(X), l) - X.begin();
r = lower_bound(all(X), r) - X.begin();
auto res = seg.prod(l - 1, r);
print(res.max);
}
}
}
int main() {
cin.tie(0)->sync_with_stdio(0);
// cout << fixed << setprecision(12);
int t;
t = 1;
// cin >> t;
while (t--) solve();
return 0;
}
// end A.cpp