結果
問題 | No.2055 12x34... |
ユーザー | FF256grhy |
提出日時 | 2023-09-23 13:34:07 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 247 ms / 2,000 ms |
コード長 | 8,679 bytes |
コンパイル時間 | 2,470 ms |
コンパイル使用メモリ | 213,476 KB |
実行使用メモリ | 26,112 KB |
最終ジャッジ日時 | 2024-07-16 13:10:36 |
合計ジャッジ時間 | 7,085 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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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 | 1 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 10 ms
5,376 KB |
testcase_03 | AC | 22 ms
5,376 KB |
testcase_04 | AC | 30 ms
5,376 KB |
testcase_05 | AC | 32 ms
5,376 KB |
testcase_06 | AC | 29 ms
5,376 KB |
testcase_07 | AC | 23 ms
5,376 KB |
testcase_08 | AC | 17 ms
5,376 KB |
testcase_09 | AC | 35 ms
5,376 KB |
testcase_10 | AC | 38 ms
5,376 KB |
testcase_11 | AC | 16 ms
5,376 KB |
testcase_12 | AC | 123 ms
16,768 KB |
testcase_13 | AC | 229 ms
25,216 KB |
testcase_14 | AC | 77 ms
12,416 KB |
testcase_15 | AC | 79 ms
12,544 KB |
testcase_16 | AC | 247 ms
26,112 KB |
testcase_17 | AC | 59 ms
5,376 KB |
testcase_18 | AC | 115 ms
7,168 KB |
testcase_19 | AC | 24 ms
5,376 KB |
testcase_20 | AC | 9 ms
5,376 KB |
testcase_21 | AC | 23 ms
5,376 KB |
testcase_22 | AC | 154 ms
8,320 KB |
testcase_23 | AC | 145 ms
11,904 KB |
testcase_24 | AC | 106 ms
16,128 KB |
testcase_25 | AC | 140 ms
13,312 KB |
testcase_26 | AC | 132 ms
13,696 KB |
testcase_27 | AC | 122 ms
16,384 KB |
testcase_28 | AC | 121 ms
14,464 KB |
testcase_29 | AC | 147 ms
15,744 KB |
testcase_30 | AC | 129 ms
13,440 KB |
testcase_31 | AC | 121 ms
13,312 KB |
testcase_32 | AC | 116 ms
14,080 KB |
testcase_33 | AC | 70 ms
5,376 KB |
testcase_34 | AC | 71 ms
5,376 KB |
testcase_35 | AC | 71 ms
5,376 KB |
testcase_36 | AC | 70 ms
5,376 KB |
testcase_37 | AC | 74 ms
5,376 KB |
testcase_38 | AC | 73 ms
5,376 KB |
testcase_39 | AC | 70 ms
5,376 KB |
testcase_40 | AC | 72 ms
5,376 KB |
testcase_41 | AC | 73 ms
5,376 KB |
testcase_42 | AC | 73 ms
5,376 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #define incII(i, l, r) for(decay_t<decltype(r)> i = (l) ; i <= (r); i++) #define incIX(i, l, r) for(decay_t<decltype(r)> i = (l) ; i < (r); i++) #define incXI(i, l, r) for(decay_t<decltype(r)> i = (l) + 1; i <= (r); i++) #define incXX(i, l, r) for(decay_t<decltype(r)> i = (l) + 1; i < (r); i++) #define decII(i, l, r) for(decay_t<decltype(r)> i = (r) ; i >= (l); i--) #define decIX(i, l, r) for(decay_t<decltype(r)> i = (r) - 1; i >= (l); i--) #define decXI(i, l, r) for(decay_t<decltype(r)> i = (r) ; i > (l); i--) #define decXX(i, l, r) for(decay_t<decltype(r)> i = (r) - 1; i > (l); i--) #define inc(i, n) incIX(i, 0, n) #define dec(i, n) decIX(i, 0, n) #define inc1(i, n) incII(i, 1, n) #define dec1(i, n) decII(i, 1, n) auto inII = [](auto a, auto l, auto r) -> bool { return (l <= a && a <= r); }; auto inIX = [](auto a, auto l, auto r) -> bool { return (l <= a && a < r); }; auto inXI = [](auto a, auto l, auto r) -> bool { return (l < a && a <= r); }; auto inXX = [](auto a, auto l, auto r) -> bool { return (l < a && a < r); }; auto setmin = [](auto & a, auto b) -> bool { return (b < a ? a = b, true : false); }; auto setmax = [](auto & a, auto b) -> bool { return (b > a ? a = b, true : false); }; auto setmineq = [](auto & a, auto b) -> bool { return (b <= a ? a = b, true : false); }; auto setmaxeq = [](auto & a, auto b) -> bool { return (b >= a ? a = b, true : false); }; using LL = long long int; using LD = long double; #define PB push_back #define EB emplace_back #define MP make_pair #define MT make_tuple #define FI first #define SE second #define FR front() #define BA back() #define ALL(a) begin(a), end(a) #define RALL(a) rbegin(a), rend(a) #define RV(a) reverse(ALL(a)) #define ST(a) sort(ALL(a)) #define RST(a) sort(RALL(a)) #define SC static_cast #define SI(a) SC<int>(a.size()) #define SL(a) SC<LL>(a.size()) #define RF(e, ...) for(auto && e: __VA_ARGS__) #define SF(a, ...) for(auto && [__VA_ARGS__]: a) #define until(...) while(not(__VA_ARGS__)) #define if_not(...) if(not(__VA_ARGS__)) #define ef else if #define UR assert(false) template<typename A> istream & operator>>(istream & is, vector<A> & v); template<typename A> ostream & operator<<(ostream & os, vector<A> const & v); template<typename A, size_t N> istream & operator>>(istream & is, array<A, N> & a); template<typename A, size_t N> ostream & operator<<(ostream & os, array<A, N> const & a); template<typename A, typename B> istream & operator>>(istream & is, pair<A, B> & p); template<typename A, typename B> ostream & operator<<(ostream & os, pair<A, B> const & p); template<typename ... A> istream & operator>>(istream & is, tuple<A ...> & t); template<typename ... A> ostream & operator<<(ostream & os, tuple<A ...> const & t); template<int I = 0, typename T> void tin_ (istream & is, T & t) { if constexpr(I < tuple_size<T>::value) { is >> get<I>(t); tin_<I + 1>(is, t); } } template<int I = 0, typename T> void tout_(ostream & os, T const & t) { if constexpr(I < tuple_size<T>::value) { if(I != 0) { os << " "; } os << get<I>(t); tout_<I + 1>(os, t); } } template<typename A> istream & operator>>(istream & is, vector<A> & v) { for(auto && e: v) { is >> e; } return is; } template<typename A> ostream & operator<<(ostream & os, vector<A> const & v) { string ss; for(auto && e: v) { os << ss << e; ss = " "; } return os; } template<typename A, size_t N> istream & operator>>(istream & is, array<A, N> & a) { for(auto && e: a) { is >> e; } return is; } template<typename A, size_t N> ostream & operator<<(ostream & os, array<A, N> const & a) { string ss; for(auto && e: a) { os << ss << e; ss = " "; } return os; } template<typename A, typename B> istream & operator>>(istream & is, pair<A, B> & p) { return is >> p.first >> p.second; } template<typename A, typename B> ostream & operator<<(ostream & os, pair<A, B> const & p) { return os << p.first << " " << p.second; } template<typename ... A> istream & operator>>(istream & is, tuple<A ...> & t) { tin_ (is, t); return is; } template<typename ... A> ostream & operator<<(ostream & os, tuple<A ...> const & t) { tout_(os, t); return os; } auto * IS = & cin; auto * OS = & cout; template<typename ... A> void in(A & ... a) { (* IS >> ... >> a); } #define IN(...) __VA_ARGS__; in(__VA_ARGS__) template<typename A > auto make_v(A a) { return a; } template<typename A, typename ... M> auto make_v(A a, int n, M ... m) { return vector(n, make_v(a, m ...)); } template<typename A, typename ... N> auto read_v(N ... n) { auto a = make_v(A { }, n ...); in(a); return a; } void out_([[maybe_unused]] string const & s) { } template<typename A > void out_([[maybe_unused]] string const & s, A const & a) { * OS << a; } template<typename A, typename ... B> void out_( string const & s, A const & a, B const & ... b) { * OS << a << s; out_(s, b ...); } auto outF = [](string const & s, string const & t, auto const & ... a) { out_(s, a ...); * OS << t << flush; }; auto outN = [](auto const & ... a) { outF("" , "" , a ...); }; auto outS = [](auto const & ... a) { outF(" " , " " , a ...); }; auto outL = [](auto const & ... a) { outF("\n", "\n", a ...); }; auto outSN = [](auto const & ... a) { outF(" " , "" , a ...); }; auto outNL = [](auto const & ... a) { outF("" , "\n", a ...); }; auto outSL = [](auto const & ... a) { outF(" " , "\n", a ...); }; auto out = outSL; template<typename A > void disp_(A const & a) { * OS << a; } template<typename A, typename ... T> void disp_(A const & a, string const & s, T const & ... t) { string ss; for(auto && e: a) { * OS << ss; ss = s; disp_(e, t ...); } } auto dispI = [](auto const & a, auto const & s, auto const & ... t) { disp_(a, t ...); * OS << s << flush; }; auto dispT = [](auto const & a, auto const & s, auto const & ... t) { for(auto && e: a) { disp_(e, t ...); * OS << s; } * OS << flush; }; auto dispL = [](auto const & a, auto const & ... t) { dispT(a, "\n", t ...); }; struct OS_init { OS_init() { * OS << boolalpha << fixed << setprecision(20); } } os_init_; // ---- ---- template<LL M> class ModInt { private: LL v; pair<LL, LL> ext_gcd(LL a, LL b) { if(b == 0) { assert(a == 1); return { 1, 0 }; } auto p = ext_gcd(b, a % b); return { p.SE, p.FI - (a / b) * p.SE }; } public: ModInt(LL vv = 0) { v = vv; if(abs(v) >= M) { v %= M; } if(v < 0) { v += M; } } LL val() { return v; } static LL mod() { return M; } ModInt inv() { return ext_gcd(M, v).SE; } ModInt exp(LL b) { ModInt p = 1, a = v; if(b < 0) { a = a.inv(); b = -b; } while(b) { if(b & 1) { p *= a; } a *= a; b >>= 1; } return p; } friend bool operator< (ModInt a, ModInt b) { return (a.v < b.v); } friend bool operator> (ModInt a, ModInt b) { return (a.v > b.v); } friend bool operator<=(ModInt a, ModInt b) { return (a.v <= b.v); } friend bool operator>=(ModInt a, ModInt b) { return (a.v >= b.v); } friend bool operator==(ModInt a, ModInt b) { return (a.v == b.v); } friend bool operator!=(ModInt a, ModInt b) { return (a.v != b.v); } friend ModInt operator+ (ModInt a ) { return ModInt(+a.v); } friend ModInt operator- (ModInt a ) { return ModInt(-a.v); } friend ModInt operator+ (ModInt a, ModInt b) { return ModInt(a.v + b.v); } friend ModInt operator- (ModInt a, ModInt b) { return ModInt(a.v - b.v); } friend ModInt operator* (ModInt a, ModInt b) { return ModInt(a.v * b.v); } friend ModInt operator/ (ModInt a, ModInt b) { return a * b.inv(); } friend ModInt operator^ (ModInt a, LL b) { return a.exp(b); } friend ModInt & operator+=(ModInt & a, ModInt b) { return (a = a + b); } friend ModInt & operator-=(ModInt & a, ModInt b) { return (a = a - b); } friend ModInt & operator*=(ModInt & a, ModInt b) { return (a = a * b); } friend ModInt & operator/=(ModInt & a, ModInt b) { return (a = a / b); } friend ModInt & operator^=(ModInt & a, LL b) { return (a = a ^ b); } friend istream & operator>>(istream & s, ModInt & b) { s >> b.v; b = ModInt(b.v); return s; } friend ostream & operator<<(ostream & s, ModInt b) { return (s << b.v); } }; using MI = ModInt<998244353>; // ---- int main() { int IN(n); auto a = read_v<int>(n); map<int, MI> mp; MI ans = 0; RF(e, a) { ans += mp[e - 1]; mp[e] += mp[e - 1] + 1; } out(ans); }