Submission #61843
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 | #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, b, e) for (intmax_t i = (b), i##_limit = (e); 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, class Compare = less<>> using MaxHeap = priority_queue<T, vector<T>, Compare>; template < class T, class Compare = greater<>> using MinHeap = priority_queue<T, vector<T>, Compare>; 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 istream& operator>>(istream &is, vector<T> &vec) { for (auto &e: vec) { is >> e; } return is; } inline void output() { cout << "\n" ; } template < class Head, class ... Tail> inline void output(Head&& head, Tail&&... tail) { cout << head; if ( sizeof ...(tail)) { cout << " " ; } output(forward<Tail>(tail)...); } template < class T> inline ostream& operator<<(ostream &os, const vector<T> &vec) { static constexpr const char *delim[] = { " " , "" }; for ( const auto &e: vec) { os << e << delim[&e == &vec.back()]; } return os; } template < class T> inline vector<T> makeVector( const T &initValue, size_t sz) { return vector<T>(sz, initValue); } template < class T, class ... Args> inline auto makeVector( const T &initValue, size_t sz, Args... args) { return vector<decltype(makeVector<T>(initValue, args...))>(sz, makeVector<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 Container> struct reverse_t { Container &c; reverse_t(Container &c) : c(c) {} auto begin() { return c.rbegin(); } auto end() { return c.rend(); } }; template < class Container> auto reversed(Container &c) { return reverse_t<Container>(c); } 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); cout.setf(ios_base::fixed); cout.precision(10); var( size_t , N, Q); vector< size_t > A(N); input(A); vector<intmax_t> d(N), mind(N, LINF), maxd(N, -LINF); while (Q--) { var( size_t , t); t--; var( char , com); if (com == 'L' ) { d[t]--; } else { d[t]++; } chmin(mind[t], d[t]); chmax(maxd[t], d[t]); } size_t res = 0; rep(i, 0, N) { A[i]--; if (mind[A[i]] != LINF && i + 1 + mind[A[i]] < 1) { res++; } else if (maxd[A[i]] != -LINF && N < i + 1 + maxd[A[i]]) { res++; } } output(res); return 0; } |
ステータス
項目 | データ |
---|---|
問題 | 1116 - AC MONKEY BABYS |
ユーザー名 | もけ |
投稿日時 | 2020-08-08 18:21:04 |
言語 | C++17 |
状態 | Accepted |
得点 | 10 |
ソースコード長 | 4091 Byte |
最大実行時間 | 131 ms |
最大メモリ使用量 | 18648 KB |
セット
セット | 得点 | Cases | |
---|---|---|---|
1 | ALL | 10 / 10 | * |
テストケース
ファイル名 | 状態 | 実行時間 | メモリ使用量 | # |
---|---|---|---|---|
in_1.txt | AC | 131 ms | 9692 KB |
1
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in_2.txt | AC | 54 ms | 12720 KB |
1
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in_3.txt | AC | 70 ms | 8980 KB |
1
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in_4.txt | AC | 58 ms | 14484 KB |
1
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in_5.txt | AC | 30 ms | 9204 KB |
1
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in_6.txt | AC | 27 ms | 11172 KB |
1
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in_7.txt | AC | 54 ms | 18648 KB |
1
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in_8.txt | AC | 23 ms | 12344 KB |
1
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in_9.txt | AC | 112 ms | 17760 KB |
1
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in_10.txt | AC | 104 ms | 3776 KB |
1
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sample_in1.txt | AC | 34 ms | 14444 KB |
1
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sample_in2.txt | AC | 24 ms | 14528 KB |
1
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