結果
問題 | No.230 Splarraay スプラレェーイ |
ユーザー | t98slider |
提出日時 | 2022-06-29 14:49:43 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 138 ms / 5,000 ms |
コード長 | 6,528 bytes |
コンパイル時間 | 1,755 ms |
コンパイル使用メモリ | 176,736 KB |
実行使用メモリ | 7,936 KB |
最終ジャッジ日時 | 2024-11-22 17:15:23 |
合計ジャッジ時間 | 3,603 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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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
6,816 KB |
testcase_03 | AC | 2 ms
6,820 KB |
testcase_04 | AC | 2 ms
6,820 KB |
testcase_05 | AC | 3 ms
6,816 KB |
testcase_06 | AC | 9 ms
6,820 KB |
testcase_07 | AC | 3 ms
6,816 KB |
testcase_08 | AC | 4 ms
6,816 KB |
testcase_09 | AC | 67 ms
6,816 KB |
testcase_10 | AC | 72 ms
6,820 KB |
testcase_11 | AC | 39 ms
6,820 KB |
testcase_12 | AC | 67 ms
6,820 KB |
testcase_13 | AC | 12 ms
6,820 KB |
testcase_14 | AC | 78 ms
7,936 KB |
testcase_15 | AC | 104 ms
7,936 KB |
testcase_16 | AC | 121 ms
7,928 KB |
testcase_17 | AC | 138 ms
7,936 KB |
testcase_18 | AC | 99 ms
7,936 KB |
testcase_19 | AC | 82 ms
7,864 KB |
ソースコード
#include<bits/stdc++.h> using namespace std; using ll = long long; namespace internal_bit{ int ceil_pow2(int n) { int x = 0; while ((1U << x) < (unsigned int)(n)) x++; return x; } int bsf(unsigned int n) { #ifdef _MSC_VER unsigned long index; _BitScanForward(&index, n); return index; #else return __builtin_ctz(n); #endif } } 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 = internal_bit::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(); } }; using S = array<int,3>; S op(S l, S r){ l[0] += r[0]; l[1] += r[1]; l[2] += r[2]; return l; } S e(){return S({0,0,0});} using F = int; S mapping(F f, S x){ if(f == -1)return x; int s = x[0] + x[1] + x[2]; fill(x.begin(), x.end(), 0); x[f] = s; return x; } F composition(F f, F g){ if(f == -1)return g; return f; } F id(){ return -1; } int main(){ int N, Q, x, l, r; cin >> N >> Q; long long A = 0, B = 0; lazy_segtree<S,op,e,F,mapping,composition,id> seg(vector<S>(N, S({0, 0, 1}))); while(Q--){ cin >> x >> l >> r; r++; if(x)seg.apply(l,r,x-1); else{ auto b = seg.prod(l,r); if(b[0] > b[1])A += b[0]; if(b[1] > b[0])B += b[1]; } } auto b = seg.all_prod(); A += b[0], B += b[1]; cout << A << " " << B << '\n'; }