結果
問題 | No.900 aδδitivee |
ユーザー | t98slider |
提出日時 | 2023-05-01 00:30:37 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 138 ms / 2,000 ms |
コード長 | 6,823 bytes |
コンパイル時間 | 1,983 ms |
コンパイル使用メモリ | 183,576 KB |
実行使用メモリ | 28,432 KB |
最終ジャッジ日時 | 2024-11-19 14:09:41 |
合計ジャッジ時間 | 7,937 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
6,820 KB |
testcase_01 | AC | 2 ms
6,816 KB |
testcase_02 | AC | 2 ms
6,820 KB |
testcase_03 | AC | 2 ms
6,820 KB |
testcase_04 | AC | 2 ms
6,820 KB |
testcase_05 | AC | 2 ms
6,816 KB |
testcase_06 | AC | 2 ms
6,816 KB |
testcase_07 | AC | 134 ms
24,224 KB |
testcase_08 | AC | 137 ms
24,224 KB |
testcase_09 | AC | 132 ms
24,312 KB |
testcase_10 | AC | 133 ms
24,228 KB |
testcase_11 | AC | 132 ms
24,260 KB |
testcase_12 | AC | 133 ms
24,316 KB |
testcase_13 | AC | 128 ms
24,208 KB |
testcase_14 | AC | 130 ms
24,272 KB |
testcase_15 | AC | 134 ms
24,208 KB |
testcase_16 | AC | 124 ms
24,240 KB |
testcase_17 | AC | 125 ms
24,308 KB |
testcase_18 | AC | 131 ms
24,244 KB |
testcase_19 | AC | 138 ms
24,256 KB |
testcase_20 | AC | 126 ms
24,132 KB |
testcase_21 | AC | 130 ms
24,208 KB |
testcase_22 | AC | 124 ms
28,432 KB |
testcase_23 | AC | 127 ms
28,280 KB |
testcase_24 | AC | 122 ms
28,204 KB |
testcase_25 | AC | 126 ms
28,368 KB |
testcase_26 | AC | 127 ms
28,280 KB |
testcase_27 | AC | 123 ms
28,268 KB |
testcase_28 | AC | 125 ms
28,364 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; using ll = long long; template <class S, S (*op)(S, S), S (*e)(), class F, S (*mapping)(F, S), F (*composition)(F, F), F (*id)()> struct lazy_segtree { public: lazy_segtree() : lazy_segtree(0) {} lazy_segtree(int n) : lazy_segtree(std::vector<S>(n, e())) {} lazy_segtree(const std::vector<S>& v) : _n(int(v.size())) { log = ceil_pow2(_n); size = 1 << log; d = std::vector<S>(2 * size, e()); lz = std::vector<F>(size, id()); for (int i = 0; i < _n; i++) d[size + i] = v[i]; for (int i = size - 1; i >= 1; i--) { update(i); } } void set(int p, S x) { assert(0 <= p && p < _n); p += size; for (int i = log; i >= 1; i--) push(p >> i); d[p] = x; for (int i = 1; i <= log; i++) update(p >> i); } S get(int p) { assert(0 <= p && p < _n); p += size; for (int i = log; i >= 1; i--) push(p >> i); return d[p]; } S prod(int l, int r) { assert(0 <= l && l <= r && r <= _n); if (l == r) return e(); l += size; r += size; for (int i = log; i >= 1; i--) { if (((l >> i) << i) != l) push(l >> i); if (((r >> i) << i) != r) push(r >> i); } S sml = e(), smr = e(); 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); } S all_prod() { return d[1]; } void apply(int p, F f) { assert(0 <= p && p < _n); p += size; for (int i = log; i >= 1; i--) push(p >> i); d[p] = mapping(f, d[p]); for (int i = 1; i <= log; i++) update(p >> i); } void apply(int l, int r, F f) { assert(0 <= l && l <= r && r <= _n); if (l == r) return; l += size; r += size; for (int i = log; i >= 1; i--) { if (((l >> i) << i) != l) push(l >> i); if (((r >> i) << i) != r) push((r - 1) >> i); } { int l2 = l, r2 = r; while (l < r) { if (l & 1) all_apply(l++, f); if (r & 1) all_apply(--r, f); l >>= 1; r >>= 1; } l = l2; r = r2; } for (int i = 1; i <= log; i++) { if (((l >> i) << i) != l) update(l >> i); if (((r >> i) << i) != r) update((r - 1) >> i); } } template <bool (*g)(S)> int max_right(int l) { return max_right(l, [](S x) { return g(x); }); } template <class G> int max_right(int l, G g) { assert(0 <= l && l <= _n); assert(g(e())); if (l == _n) return _n; l += size; for (int i = log; i >= 1; i--) push(l >> i); S sm = e(); do { while (l % 2 == 0) l >>= 1; if (!g(op(sm, d[l]))) { while (l < size) { push(l); l = (2 * l); if (g(op(sm, d[l]))) { sm = op(sm, d[l]); l++; } } return l - size; } sm = op(sm, d[l]); l++; } while ((l & -l) != l); return _n; } template <bool (*g)(S)> int min_left(int r) { return min_left(r, [](S x) { return g(x); }); } template <class G> int min_left(int r, G g) { assert(0 <= r && r <= _n); assert(g(e())); if (r == 0) return 0; r += size; for (int i = log; i >= 1; i--) push((r - 1) >> i); S sm = e(); do { r--; while (r > 1 && (r % 2)) r >>= 1; if (!g(op(d[r], sm))) { while (r < size) { push(r); r = (2 * r + 1); if (g(op(d[r], sm))) { sm = op(d[r], sm); r--; } } return r + 1 - size; } sm = op(d[r], sm); } while ((r & -r) != r); return 0; } private: int _n, size, log; std::vector<S> d; std::vector<F> lz; void update(int k) { d[k] = op(d[2 * k], d[2 * k + 1]); } void all_apply(int k, F f) { d[k] = mapping(f, d[k]); if (k < size) lz[k] = composition(f, lz[k]); } void push(int k) { all_apply(2 * k, lz[k]); all_apply(2 * k + 1, lz[k]); lz[k] = id(); } int ceil_pow2(int n) { int x = 0; while ((1U << x) < (unsigned int)(n)) x++; return x; } }; using S = pair<ll, int>; using F = ll; S e(){return make_pair(0, 0);} S op(S l,S r){return make_pair(l.first + r.first, l.second + r.second);} S mapping(F f, S x){return make_pair(x.first + x.second * f, x.second);} F composition(F f, F g){return f + g;} F id(){return 0;} int main(){ ios::sync_with_stdio(false); cin.tie(0); int n, u, v, w, Q; cin >> n; vector<vector<pair<int, int>>> g(n); for(int i = 1; i < n; i++){ cin >> u >> v >> w; g[u].emplace_back(v, w); g[v].emplace_back(u, w); } int timer = 0; vector<int> depth(n), ent(n), ext(n), weight(n); vector<pair<ll,int>> tmp(2 * n); function<void(int, int)> dfs = [&](int v, int p){ tmp[timer] = make_pair(weight[v], 1); ent[v] = timer++; for(auto &&pa : g[v]){ tie(u, w) = pa; if(u == p) continue; depth[u] = depth[v] + 1; weight[u] = w; dfs(u, v); } tmp[timer] = make_pair(-weight[v], -1); ext[v] = timer++; }; dfs(0, -1); lazy_segtree<S, op, e, F, mapping, composition, id> seg(tmp); cin >> Q; while(Q--){ int cmd, v, x; cin >> cmd >> v; if(cmd == 1){ cin >> x; seg.apply(ent[v] + 1, ext[v], x); }else{ cout << seg.prod(0, ent[v] + 1).first << '\n'; } } }