Submission #58362
ソースコード
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 | #include "bits/stdc++.h" #pragma GCC optimize("Ofast") // Begin Header {{{ using namespace std; #ifndef DEBUG #define dump(...) #endif #define all(x) x.begin(), x.end() #define rep(i, n) for (intmax_t i = 0, i##_limit = (n); i < i##_limit; ++i) #define reps(i, b, e) for (intmax_t i = (b), i##_limit = (e); i <= i##_limit; ++i) #define repr(i, b, e) for (intmax_t i = (b), i##_limit = (e); i >= i##_limit; --i) #define var(Type, ...) Type __VA_ARGS__; input(__VA_ARGS__) constexpr size_t operator "" _zu(unsigned long long value) { return value; }; constexpr intmax_t operator "" _jd(unsigned long long value) { return value; }; constexpr uintmax_t operator "" _ju(unsigned long long value) { return value; }; constexpr int INF = 0x3f3f3f3f; constexpr intmax_t LINF = 0x3f3f3f3f3f3f3f3f_jd; template < class T> using MaxHeap = priority_queue<T, vector<T>, less<T>>; template < class T> using MinHeap = priority_queue<T, vector<T>, greater<T>>; inline void input() {} template < class Head, class ... Tail> inline void input(Head&& head, Tail&&... tail) { cin >> head; input(forward<Tail>(tail)...); } template < class T> inline void input(vector<T> &vec) { for (auto &e: vec) { cin >> e; } } template < class T> inline void input(vector<vector<T>> &mat) { for (auto &vec: mat) { input(vec); } } inline void print() { cout << "\n" ; } template < class Head, class ... Tail> inline void print(Head&& head, Tail&&... tail) { static constexpr const char *delim[] = { "" , " " }; cout << head << delim[ sizeof ...(tail)]; print(forward<Tail>(tail)...); } template < class T> inline ostream& operator<<(ostream &strm, const vector<T> &vec) { static constexpr const char *delim[] = { " " , "" }; for ( const auto &e: vec) { strm << e << delim[&e == &vec.back()]; } return strm; } template < class T> inline vector<T> make_v( const T &initValue, size_t sz) { return vector<T>(sz, initValue); } template < class T, class ... Args> inline auto make_v( const T &initValue, size_t sz, Args... args) { return vector<decltype(make_v<T>(initValue, args...))>(sz, make_v<T>(initValue, args...)); } template < class Func> class FixPoint : Func { public : explicit constexpr FixPoint(Func&& f) noexcept : Func(forward<Func>(f)) {} template < class ... Args> constexpr decltype(auto) operator()(Args&&... args) const { return Func::operator()(* this , std::forward<Args>(args)...); } }; template < class Func> static inline constexpr decltype(auto) makeFixPoint(Func&& f) noexcept { return FixPoint<Func>{forward<Func>(f)}; } template < class T> inline bool chmax(T &a, const T &b) noexcept { return b > a && (a = b, true ); } template < class T> inline bool chmin(T &a, const T &b) noexcept { return b < a && (a = b, true ); } template < class T> inline T diff( const T &a, const T &b) noexcept { return a < b ? b - a : a - b; } // End Header }}} signed main() { ios_base::sync_with_stdio( false ); cin.tie(nullptr); var(intmax_t, N, X); vector a(N, 0_jd); input(a); const auto res = makeFixPoint([&](auto rec, size_t i, intmax_t now) -> intmax_t { if (i == N) { return diff(now, X); } if (now >= X) { return rec(i + 1, now); } return min(rec(i + 1, now + a[i]), rec(i + 1, now)); })(0, 0); print(res); return 0; } |
ステータス
項目 | データ |
---|---|
問題 | 1106 - 破壊の果実 |
ユーザー名 | もけ |
投稿日時 | 2020-02-01 22:24:40 |
言語 | C++17 |
状態 | Accepted |
得点 | 1 |
ソースコード長 | 3540 Byte |
最大実行時間 | 32 ms |
最大メモリ使用量 | 780 KB |
セット
セット | 得点 | Cases | |
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1 | ALL | 1 / 1 | * |
テストケース
ファイル名 | 状態 | 実行時間 | メモリ使用量 | # |
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case01.in | AC | 25 ms | 476 KB |
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case02.in | AC | 16 ms | 692 KB |
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case03.in | AC | 20 ms | 524 KB |
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case04.in | AC | 18 ms | 480 KB |
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case05.in | AC | 29 ms | 560 KB |
1
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case06.in | AC | 24 ms | 640 KB |
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case07.in | AC | 24 ms | 460 KB |
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case08.in | AC | 25 ms | 540 KB |
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case09.in | AC | 28 ms | 624 KB |
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case10.in | AC | 20 ms | 708 KB |
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case11.in | AC | 29 ms | 536 KB |
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case12.in | AC | 23 ms | 620 KB |
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case13.in | AC | 23 ms | 572 KB |
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case14.in | AC | 17 ms | 660 KB |
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case15.in | AC | 26 ms | 744 KB |
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case16.in | AC | 19 ms | 696 KB |
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case17.in | AC | 27 ms | 780 KB |
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case18.in | AC | 32 ms | 608 KB |
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case19.in | AC | 18 ms | 564 KB |
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case20.in | AC | 20 ms | 644 KB |
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sample01.in | AC | 18 ms | 604 KB |
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sample02.in | AC | 21 ms | 560 KB |
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sample03.in | AC | 22 ms | 648 KB |
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