結果
問題 | No.910 素数部分列 |
ユーザー | ei1333333 |
提出日時 | 2019-10-13 09:26:27 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 12 ms / 1,000 ms |
コード長 | 5,038 bytes |
コンパイル時間 | 2,600 ms |
コンパイル使用メモリ | 205,824 KB |
実行使用メモリ | 11,776 KB |
最終ジャッジ日時 | 2024-06-25 21:11:57 |
合計ジャッジ時間 | 5,238 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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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 | 2 ms
5,376 KB |
testcase_02 | AC | 1 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 1 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 1 ms
5,376 KB |
testcase_13 | AC | 2 ms
5,376 KB |
testcase_14 | AC | 1 ms
5,376 KB |
testcase_15 | AC | 2 ms
5,376 KB |
testcase_16 | AC | 2 ms
5,376 KB |
testcase_17 | AC | 1 ms
5,376 KB |
testcase_18 | AC | 2 ms
5,376 KB |
testcase_19 | AC | 2 ms
5,376 KB |
testcase_20 | AC | 1 ms
5,376 KB |
testcase_21 | AC | 1 ms
5,376 KB |
testcase_22 | AC | 2 ms
5,376 KB |
testcase_23 | AC | 11 ms
11,648 KB |
testcase_24 | AC | 11 ms
11,648 KB |
testcase_25 | AC | 10 ms
11,776 KB |
testcase_26 | AC | 10 ms
11,776 KB |
testcase_27 | AC | 11 ms
11,776 KB |
testcase_28 | AC | 11 ms
11,776 KB |
testcase_29 | AC | 11 ms
11,776 KB |
testcase_30 | AC | 11 ms
11,776 KB |
testcase_31 | AC | 12 ms
11,776 KB |
testcase_32 | AC | 11 ms
11,776 KB |
testcase_33 | AC | 11 ms
11,648 KB |
testcase_34 | AC | 11 ms
11,776 KB |
testcase_35 | AC | 11 ms
11,776 KB |
testcase_36 | AC | 11 ms
11,648 KB |
testcase_37 | AC | 11 ms
11,776 KB |
testcase_38 | AC | 11 ms
11,776 KB |
testcase_39 | AC | 11 ms
11,776 KB |
testcase_40 | AC | 11 ms
11,648 KB |
testcase_41 | AC | 11 ms
11,648 KB |
testcase_42 | AC | 10 ms
11,776 KB |
testcase_43 | AC | 11 ms
11,648 KB |
testcase_44 | AC | 11 ms
11,776 KB |
testcase_45 | AC | 11 ms
11,776 KB |
testcase_46 | AC | 11 ms
11,648 KB |
testcase_47 | AC | 10 ms
11,776 KB |
testcase_48 | AC | 10 ms
11,776 KB |
testcase_49 | AC | 10 ms
11,776 KB |
testcase_50 | AC | 10 ms
11,648 KB |
testcase_51 | AC | 10 ms
11,776 KB |
testcase_52 | AC | 11 ms
11,776 KB |
ソースコード
#include<bits/stdc++.h> using namespace std; using int64 = long long; const int mod = 1e9 + 7; const int64 infll = (1LL << 62) - 1; const int inf = (1 << 30) - 1; struct IoSetup { IoSetup() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(10); cerr << fixed << setprecision(10); } } iosetup; template< typename T1, typename T2 > ostream &operator<<(ostream &os, const pair< T1, T2 > &p) { os << p.first << " " << p.second; return os; } template< typename T1, typename T2 > istream &operator>>(istream &is, pair< T1, T2 > &p) { is >> p.first >> p.second; return is; } template< typename T > ostream &operator<<(ostream &os, const vector< T > &v) { for(int i = 0; i < (int) v.size(); i++) { os << v[i] << (i + 1 != v.size() ? " " : ""); } return os; } template< typename T > istream &operator>>(istream &is, vector< T > &v) { for(T &in : v) is >> in; return is; } template< typename T1, typename T2 > inline bool chmax(T1 &a, T2 b) { return a < b && (a = b, true); } template< typename T1, typename T2 > inline bool chmin(T1 &a, T2 b) { return a > b && (a = b, true); } template< typename T = int64 > vector< T > make_v(size_t a) { return vector< T >(a); } template< typename T, typename... Ts > auto make_v(size_t a, Ts... ts) { return vector< decltype(make_v< T >(ts...)) >(a, make_v< T >(ts...)); } template< typename T, typename V > typename enable_if< is_class< T >::value == 0 >::type fill_v(T &t, const V &v) { t = v; } template< typename T, typename V > typename enable_if< is_class< T >::value != 0 >::type fill_v(T &t, const V &v) { for(auto &e : t) fill_v(e, v); } template< typename F > struct FixPoint : F { FixPoint(F &&f) : F(forward< F >(f)) {} template< typename... Args > decltype(auto) operator()(Args &&... args) const { return F::operator()(*this, forward< Args >(args)...); } }; template< typename F > inline decltype(auto) MFP(F &&f) { return FixPoint< F >{forward< F >(f)}; } template< typename Monoid > struct SegmentTree { using F = function< Monoid(Monoid, Monoid) >; int sz; vector< Monoid > seg; const F f; const Monoid M1; SegmentTree(int n, const F f, const Monoid &M1) : f(f), M1(M1) { sz = 1; while(sz < n) sz <<= 1; seg.assign(2 * sz, M1); } void set(int k, const Monoid &x) { seg[k + sz] = x; } void build() { for(int k = sz - 1; k > 0; k--) { seg[k] = f(seg[2 * k + 0], seg[2 * k + 1]); } } void update(int k, const Monoid &x) { k += sz; seg[k] = x; while(k >>= 1) { seg[k] = f(seg[2 * k + 0], seg[2 * k + 1]); } } Monoid query(int a, int b) { Monoid L = M1, R = M1; for(a += sz, b += sz; a < b; a >>= 1, b >>= 1) { if(a & 1) L = f(L, seg[a++]); if(b & 1) R = f(seg[--b], R); } return f(L, R); } Monoid operator[](const int &k) const { return seg[k + sz]; } template< typename C > int find_subtree(int a, const C &check, Monoid &M, bool type) { while(a < sz) { Monoid nxt = type ? f(seg[2 * a + type], M) : f(M, seg[2 * a + type]); if(check(nxt)) a = 2 * a + type; else M = nxt, a = 2 * a + 1 - type; } return a - sz; } template< typename C > int find_first(int a, const C &check) { Monoid L = M1; if(a <= 0) { if(check(f(L, seg[1]))) return find_subtree(1, check, L, false); return -1; } int b = sz; for(a += sz, b += sz; a < b; a >>= 1, b >>= 1) { if(a & 1) { Monoid nxt = f(L, seg[a]); if(check(nxt)) return find_subtree(a, check, L, false); L = nxt; ++a; } } return -1; } template< typename C > int find_last(int b, const C &check) { Monoid R = M1; if(b >= sz) { if(check(f(seg[1], R))) return find_subtree(1, check, R, true); return -1; } int a = sz; for(b += sz; a < b; a >>= 1, b >>= 1) { if(b & 1) { Monoid nxt = f(seg[--b], R); if(check(nxt)) return find_subtree(b, check, R, true); R = nxt; } } return -1; } }; int main() { int N; cin >> N; string S; cin >> S; // a+=x // a=max(a,0) // a=max(max(a+x,0)+y, 0) // a=max(a+x+y,0+y,0) struct Node { int other, one; int x, y; Node(int a, int b, int c, int d) : other(a), one(b), x(c), y(d) {} } e{0, 0, 0, 0}; auto f = [](Node a, const Node &b) { a.other += b.other; a.one += b.one; a.x += b.x; a.y = max(b.x + a.y, b.y); return a; }; SegmentTree< Node > seg(N, f, e); for(int i = 0; i < S.size(); i++) { int v = S[i] == '1' ? 1 : S[i] == '9' ? -1 : 0; int k = 1 - (v != 0); seg.set(i, Node(k, S[i] == '1', v, 0)); } seg.build(); auto range = seg.query(0, N); int ret = 0; ret += range.other; int o = range.one; int n = N - range.other - range.one; int on = o - max(range.x, range.y); ret += on; o -= on; n -= on; int nno = min(o, n / 2); ret += nno; o -= nno; cout << ret + o / 2 << endl; }