結果
問題 | No.2697 Range LIS Query |
ユーザー | hitonanode |
提出日時 | 2024-04-05 09:32:09 |
言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 245 ms / 10,000 ms |
コード長 | 2,119 bytes |
コンパイル時間 | 1,396 ms |
コンパイル使用メモリ | 124,632 KB |
実行使用メモリ | 19,432 KB |
最終ジャッジ日時 | 2024-10-01 00:58:20 |
合計ジャッジ時間 | 4,977 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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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
5,248 KB |
testcase_01 | AC | 1 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 7 ms
5,248 KB |
testcase_04 | AC | 7 ms
5,248 KB |
testcase_05 | AC | 7 ms
5,248 KB |
testcase_06 | AC | 223 ms
19,304 KB |
testcase_07 | AC | 225 ms
19,300 KB |
testcase_08 | AC | 222 ms
19,432 KB |
testcase_09 | AC | 184 ms
19,176 KB |
testcase_10 | AC | 188 ms
19,308 KB |
testcase_11 | AC | 186 ms
19,308 KB |
testcase_12 | AC | 131 ms
18,792 KB |
testcase_13 | AC | 148 ms
18,020 KB |
testcase_14 | AC | 199 ms
18,024 KB |
testcase_15 | AC | 245 ms
19,172 KB |
testcase_16 | AC | 243 ms
19,304 KB |
testcase_17 | AC | 236 ms
19,428 KB |
コンパイルメッセージ
main.cpp: In member function 'int S::longest() const': main.cpp:20:39: warning: narrowing conversion of '(int)((const S*)this)->S::a11' from 'int' to 'int:18' [-Wnarrowing] 20 | int longest() const { return max({a11, a12, a13, a14, a22, a23, a24, a33, a34, a44}); } | ^~~ main.cpp:20:39: warning: narrowing conversion of '((const S*)this)->S::a11' from 'const int' to 'int:18' [-Wnarrowing] main.cpp:20:44: warning: narrowing conversion of '(int)((const S*)this)->S::a12' from 'int' to 'int:18' [-Wnarrowing] 20 | int longest() const { return max({a11, a12, a13, a14, a22, a23, a24, a33, a34, a44}); } | ^~~ main.cpp:20:44: warning: narrowing conversion of '((const S*)this)->S::a12' from 'const int' to 'int:18' [-Wnarrowing] main.cpp:20:49: warning: narrowing conversion of '(int)((const S*)this)->S::a13' from 'int' to 'int:18' [-Wnarrowing] 20 | int longest() const { return max({a11, a12, a13, a14, a22, a23, a24, a33, a34, a44}); } | ^~~ main.cpp:20:49: warning: narrowing conversion of '((const S*)this)->S::a13' from 'const int' to 'int:18' [-Wnarrowing] main.cpp:20:54: warning: narrowing conversion of '(int)((const S*)this)->S::a14' from 'int' to 'int:18' [-Wnarrowing] 20 | int longest() const { return max({a11, a12, a13, a14, a22, a23, a24, a33, a34, a44}); } | ^~~ main.cpp:20:54: warning: narrowing conversion of '((const S*)this)->S::a14' from 'const int' to 'int:18' [-Wnarrowing] main.cpp:20:59: warning: narrowing conversion of '(int)((const S*)this)->S::a22' from 'int' to 'int:18' [-Wnarrowing] 20 | int longest() const { return max({a11, a12, a13, a14, a22, a23, a24, a33, a34, a44}); } | ^~~ main.cpp:20:59: warning: narrowing conversion of '((const S*)this)->S::a22' fro
ソースコード
#include <iostream> #include <vector> using namespace std; #include <atcoder/lazysegtree> struct S { int n : 18 = 0; int a11 : 18 = 0; int a12 : 18 = 0; int a13 : 18 = 0; int a14 : 18 = 0; int a22 : 18 = 0; int a23 : 18 = 0; int a24 : 18 = 0; int a33 : 18 = 0; int a34 : 18 = 0; int a44 : 18 = 0; int longest() const { return max({a11, a12, a13, a14, a22, a23, a24, a33, a34, a44}); } }; S gen1(int n) { return S{n, n, n, n, n, 0, 0, 0, 0, 0, 0}; } S gen2(int n) { return S{n, 0, n, n, n, n, n, n, 0, 0, 0}; } S gen3(int n) { return S{n, 0, 0, n, n, 0, n, n, n, n, 0}; } S gen4(int n) { return S{n, 0, 0, 0, n, 0, 0, n, 0, n, n}; } S op(S l, S r) { return { l.n + r.n, l.a11 + r.a11, max({l.a11 + r.a12, l.a12 + r.a22}), max({l.a11 + r.a13, l.a12 + r.a23, l.a13 + r.a33}), max({l.a11 + r.a14, l.a12 + r.a24, l.a13 + r.a34, l.a14 + r.a44}), l.a22 + r.a22, max({l.a22 + r.a23, l.a23 + r.a33}), max({l.a22 + r.a24, l.a23 + r.a34, l.a24 + r.a44}), l.a33 + r.a33, max({l.a33 + r.a34, l.a34 + r.a44}), l.a44 + r.a44, }; } S e() { return S{}; } S gen(int a, int n) { if (a == 1) return gen1(n); if (a == 2) return gen2(n); if (a == 3) return gen3(n); if (a == 4) return gen4(n); assert(false); } using F = int; S mapping(F f, S x) { if (!f) return x; return gen(f, x.n); } F composition(F f, F g) { if (!f) return g; return f; } F id() { return 0; } int main() { cin.tie(nullptr)->sync_with_stdio(false); int N; cin >> N; vector<S> init; for (int i = 0; i < N; ++i) { int a; cin >> a; init.push_back(gen(a, 1)); } atcoder::lazy_segtree<S, op, e, F, mapping, composition, id> seg(init); int Q; cin >> Q; while (Q--) { int tp, l, r; cin >> tp >> l >> r; --l; if (tp == 1) { cout << seg.prod(l, r).longest() << '\n'; } else { int x; cin >> x; seg.apply(l, r, x); } } }