結果

問題 No.789 範囲の合計
ユーザー pitP
提出日時 2023-11-18 15:53:13
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 76 ms / 1,000 ms
コード長 6,854 bytes
コンパイル時間 5,345 ms
コンパイル使用メモリ 255,624 KB
最終ジャッジ日時 2025-02-17 22:28:09
ジャッジサーバーID
(参考情報)
judge4 / judge1
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ファイルパターン 結果
other AC * 15
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

#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
istream &operator>>(istream &is, modint &a) { long long v; is >> v; a = v; return is; }
ostream &operator<<(ostream &os, const modint &a) { return os << a.val(); }
istream &operator>>(istream &is, modint998244353 &a) { long long v; is >> v; a = v; return is; }
ostream &operator<<(ostream &os, const modint998244353 &a) { return os << a.val(); }
istream &operator>>(istream &is, modint1000000007 &a) { long long v; is >> v; a = v; return is; }
ostream &operator<<(ostream &os, const modint1000000007 &a) { return os << a.val(); }
typedef long long ll;
typedef vector<vector<int>> Graph;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
#define FOR(i,l,r) for (int i = l;i < (int)(r); i++)
#define rep(i,n) for (int i = 0;i < (int)(n); i++)
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define my_sort(x) sort(x.begin(), x.end())
#define my_max(x) *max_element(all(x))
#define my_min(x) *min_element(all(x))
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
const int INF = (1<<30) - 1;
const ll LINF = (1LL<<62) - 1;
const int MOD = 998244353;
const int MOD2 = 1e9+7;
const double PI = acos(-1);
vector<int> di = {1,0,-1,0};
vector<int> dj = {0,1,0,-1};
#ifdef LOCAL
# include <debug_print.hpp>
# define debug(...) debug_print::multi_print(#__VA_ARGS__, __VA_ARGS__)
#else
# define debug(...) (static_cast<void>(0))
#endif
template <class S, S (*op)(S, S), S (*e)()> class dynamic_segtree {
public:
dynamic_segtree(size_t n) : n(n), root(nullptr) {}
void set(size_t p, S x) {
assert(p < n);
set(root, 0, n, p, x);
}
S get(size_t p) const {
assert(p < n);
return get(root, 0, n, p);
}
S prod(size_t l, size_t r) const {
assert(l <= r && r <= n);
return prod(root, 0, n, l, r);
}
S all_prod() const { return root ? root->product : e(); }
void reset(size_t l, size_t r) {
assert(l <= r && r <= n);
return reset(root, 0, n, l, r);
}
template <bool (*f)(S)> size_t max_right(size_t l) const {
return max_right(l, [](S x) { return f(x); });
}
template <class F> size_t max_right(size_t l, const F& f) const {
assert(l <= n);
S product = e();
assert(f(product));
return max_right(root, 0, n, l, f, product);
}
template <bool (*f)(S)> size_t min_left(size_t r) const {
return min_left(r, [](S x) { return f(x); });
}
template <class F> size_t min_left(size_t r, const F& f) const {
assert(r <= n);
S product = e();
assert(f(product));
return min_left(root, 0, n, r, f, product);
}
private:
struct node;
using node_ptr = std::unique_ptr<node>;
struct node {
size_t index;
S value, product;
node_ptr left, right;
node(size_t index, S value)
: index(index),
value(value),
product(value),
left(nullptr),
right(nullptr) {}
void update() {
product = op(op(left ? left->product : e(), value),
right ? right->product : e());
}
};
const size_t n;
node_ptr root;
void set(node_ptr& t, size_t a, size_t b, size_t p, S x) const {
if (!t) {
t = std::make_unique<node>(p, x);
return;
}
if (t->index == p) {
t->value = x;
t->update();
return;
}
size_t c = (a + b) >> 1;
if (p < c) {
if (t->index < p) std::swap(t->index, p), std::swap(t->value, x);
set(t->left, a, c, p, x);
} else {
if (p < t->index) std::swap(p, t->index), std::swap(x, t->value);
set(t->right, c, b, p, x);
}
t->update();
}
S get(const node_ptr& t, size_t a, size_t b, size_t p) const {
if (!t) return e();
if (t->index == p) return t->value;
size_t c = (a + b) >> 1;
if (p < c) return get(t->left, a, c, p);
else return get(t->right, c, b, p);
}
S prod(const node_ptr& t, size_t a, size_t b, size_t l, size_t r) const {
if (!t || b <= l || r <= a) return e();
if (l <= a && b <= r) return t->product;
size_t c = (a + b) >> 1;
S result = prod(t->left, a, c, l, r);
if (l <= t->index && t->index < r) result = op(result, t->value);
return op(result, prod(t->right, c, b, l, r));
}
void reset(node_ptr& t, size_t a, size_t b, size_t l, size_t r) const {
if (!t || b <= l || r <= a) return;
if (l <= a && b <= r) {
t.reset();
return;
}
size_t c = (a + b) >> 1;
reset(t->left, a, c, l, r);
reset(t->right, c, b, l, r);
t->update();
}
template <class F>
size_t max_right(const node_ptr& t, size_t a, size_t b,
size_t l, const F& f, S& product) const {
if (!t || b <= l) return n;
if (f(op(product, t->product))) {
product = op(product, t->product);
return n;
}
size_t c = (a + b) >> 1;
size_t result = max_right(t->left, a, c, l, f, product);
if (result != n) return result;
if (l <= t->index) {
product = op(product, t->value);
if (!f(product)) return t->index;
}
return max_right(t->right, c, b, l, f, product);
}
template <class F>
size_t min_left(const node_ptr& t, size_t a, size_t b,
size_t r, const F& f, S& product) const {
if (!t || r <= a) return 0;
if (f(op(t->product, product))) {
product = op(t->product, product);
return 0;
}
size_t c = (a + b) >> 1;
size_t result = min_left(t->right, c, b, r, f, product);
if (result != 0) return result;
if (t->index < r) {
product = op(t->value, product);
if (!f(product)) return t->index + 1;
}
return min_left(t->left, a, c, r, f, product);
}
};
using S = long long;
S op(S a, S b){return a + b;}
S e(){return 0ll;}
int main(){
cin.tie(0);
ios_base::sync_with_stdio(false);
dynamic_segtree<S,op,e> seg(1e9+1);
int N; cin >> N;
ll ans = 0;
rep(q,N){
int op; cin >> op;
if(op==0){
int x,y; cin >> x >> y;
auto v = seg.get(x);
debug(x, y, v);
seg.set(x, y + v);
}
else{
int l,r; cin >> l >> r;
ans += seg.prod(l, r + 1);
}
}
cout << ans << endl;
}
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