結果
問題 | No.1099 Range Square Sum |
ユーザー | 🍮かんプリン |
提出日時 | 2020-09-28 18:26:34 |
言語 | C++11 (gcc 11.4.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 5,805 bytes |
コンパイル時間 | 1,741 ms |
コンパイル使用メモリ | 166,084 KB |
実行使用メモリ | 13,944 KB |
最終ジャッジ日時 | 2024-07-02 08:39:52 |
合計ジャッジ時間 | 6,529 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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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 |
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testcase_00 | WA | - |
testcase_01 | WA | - |
testcase_02 | WA | - |
testcase_03 | WA | - |
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testcase_06 | WA | - |
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testcase_08 | WA | - |
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testcase_12 | WA | - |
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testcase_14 | WA | - |
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testcase_17 | WA | - |
testcase_18 | WA | - |
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testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
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testcase_24 | WA | - |
testcase_25 | WA | - |
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testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
コンパイルメッセージ
main.cpp: In function ‘S mapping(F, S)’: main.cpp:186:39: warning: narrowing conversion of ‘((((ll)s.S::val2) + (((ll)(2 * s.S::val)) * f.F::x)) + ((((ll)s.S::size) * f.F::x) * f.F::x))’ from ‘ll’ {aka ‘long long int’} to ‘int’ [-Wnarrowing] 186 | return S{s.val2 + 2 * s.val * f.x + s.size * f.x * f.x, s.val + f.x, s.size}; | ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ main.cpp:186:67: warning: narrowing conversion of ‘(((ll)s.S::val) + f.F::x)’ from ‘ll’ {aka ‘long long int’} to ‘int’ [-Wnarrowing] 186 | return S{s.val2 + 2 * s.val * f.x + s.size * f.x * f.x, s.val + f.x, s.size}; | ~~~~~~^~~~~
ソースコード
/** * @FileName a.cpp * @Author kanpurin * @Created 2020.09.28 18:26:27 **/ #include "bits/stdc++.h" using namespace std; typedef long long ll; 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 = 0; while ((1U << log) < (unsigned int)(_n)) log++; 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(); } }; struct S { int val2; int val; int size; }; struct F { ll x; }; S op(S l, S r) { return S{l.val2 + r.val2, l.val + r.val,l.size + r.size}; } S e() { return S{0,0,0}; } S mapping(F f, S s) { return S{s.val2 + 2 * s.val * f.x + s.size * f.x * f.x, s.val + f.x, s.size}; } F composition(F f, F g) { return F{f.x+g.x}; } F id() { return F{0}; } int main(){ int n;cin >> n; vector<S> a(n); for (int i = 0; i < n; i++) { cin >> a[i].val; a[i].val2 = a[i].val * a[i].val; a[i].size = 1; } lazy_segtree<S,op,e,F,mapping,composition,id> seg(a); cout << seg.all_prod().val2 << endl; int q;cin >> q; while(q--) { int t;cin >> t; if (t == 1) { int l,r,x;cin >> l >> r >> x; seg.apply(l-1,r,F{x}); } else { int l,r;cin >> l >> r; cout << seg.prod(l-1,r).val2 << endl; } } return 0; }