結果
問題 | No.761 平均値ゲーム |
ユーザー |
|
提出日時 | 2021-07-12 17:01:24 |
言語 | Crystal (1.14.0) |
結果 |
AC
|
実行時間 | 77 ms / 2,000 ms |
コード長 | 5,703 bytes |
コンパイル時間 | 13,317 ms |
コンパイル使用メモリ | 299,140 KB |
実行使用メモリ | 12,160 KB |
最終ジャッジ日時 | 2024-07-02 03:30:11 |
合計ジャッジ時間 | 18,388 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
(要ログイン)
ファイルパターン | 結果 |
---|---|
other | AC * 100 |
ソースコード
def solve(io)n = io.geta = io.get_a(n, Int64)ac = CumulativeSum.new(a)calc = uninitialized (Int32, Int32) -> Boolcalc = ->(l : Int32, r : Int32) doreturn true if a[l] == a[r-1]b = (ac[l...r] + (r-l) - 1) // (r-l)i = a.bsearch_index { |ai| ai >= b } || a.sizec1 = calc.call(l, i)c2 = calc.call(i, r)!c1 || !c2endio.put calc.call(0, n) ? "First" : "Second"endstruct Intdef cdiv(b : Int)(self + b - 1) // benddef bit?(i : Int)bit(i) == 1enddef set_bit(i : Int)self | (self.class.new(1) << i)enddef reset_bit(i : Int)self & ~(self.class.new(1) << i)end{% if compare_versions(env("CRYSTAL_VERSION") || "0.0.0", "0.34.0") < 0 %}def bit_length : Int32x = self < 0 ? ~self : selfif x.is_a?(Int::Primitive)Int32.new(sizeof(self) * 8 - x.leading_zeros_count)elseto_s(2).sizeendend{% end %}endstruct Int32SQRT_MAX = 46_340_i32def isqrtm = SQRT_MAXr = (1_i32..SQRT_MAX).bsearch { |i| i**2 > self }r.nil? ? SQRT_MAX : r - 1endendstruct Int64SQRT_MAX = 3_037_000_499_i64def isqrtr = (1_i64..SQRT_MAX).bsearch { |i| i**2 > self }r.nil? ? SQRT_MAX : r - 1endendstruct Number{% if compare_versions(env("CRYSTAL_VERSION") || "0.0.0", "1.1.0") < 0 %}def zero?self == 0enddef positive?self > 0enddef negative?self < 0end{% end %}{% if compare_versions(env("CRYSTAL_VERSION") || "0.0.0", "0.36.0") < 0 %}def self.additive_identityzeroenddef self.multiplicative_identitynew(1)end{% end %}endclass Arraymacro new_md(*args, &block){% if !block %}{% for arg, i in args[0...-2] %}Array.new({{arg}}) {{% end %}Array.new({{args[-2]}}, {{args[-1]}}){% for arg in args[0...-2] %}}{% end %}{% else %}{% for arg, i in args %}Array.new({{arg}}) { |_i{{i}}|{% end %}{% for block_arg, i in block.args %}{{block_arg}} = _i{{i}}{% end %}{{block.body}}{% for arg in args %}}{% end %}{% end %}endendclass ProconIOdef initialize(@ins : IO = STDIN, @outs : IO = STDOUT)@buf = [] of String@index = 0enddef get(k : T.class = Int32) forall Tget_v(k)endmacro define_get{% for i in (2..9) %}def get({% for j in (1..i) %}k{{j}}{% if j < i %},{% end %}{% end %}){{% for j in (1..i) %}get(k{{j}}){% if j < i %},{% end %}{% end %}}end{% end %}enddefine_getmacro define_getn{% for i in (2..9) %}def get{{i}}(k : T.class = Int32) forall Tget({% for j in (1..i) %}k{% if j < i %}, {% end %}{% end %})end{% end %}enddefine_getndef get_a(n : Int, k : T.class = Int32) forall TArray.new(n) { get_v(k) }enddef get_c(n : Int, k : T.class = Int32) forall Tget_a(n, k)endmacro define_get_c{% for i in (2..9) %}def get_c(n : Int,{% for j in (1..i) %}k{{j}}{% if j < i %},{% end %}{% end %})a = Array.new(n) doget({% for j in (1..i) %}k{{j}}{% if j < i %},{% end %}{% end %})end{{% for j in (1..i) %}a.map { |e| e[{{j-1}}] }{% if j < i %},{% end %}{% end %}}end{% end %}enddefine_get_cmacro define_getn_c{% for i in (2..9) %}def get{{i}}_c(n : Int, k : T.class = Int32) forall Tget_c(n,{% for j in (1..i) %}k{% if j < i %}, {% end %}{% end %})end{% end %}enddefine_getn_cdef get_m(r : Int, c : Int, k : T.class = Int32) forall TArray.new(r) { get_a(c, k) }enddef put(*vs)vs.each.with_index do |v, i|put_v(v)@outs.print i < vs.size - 1 ? " " : "\n"endenddef put_e(*vs)put(*vs)exitenddef put_f(*vs)put(*vs)@outs.flushendprivate def get_v(k : Int32.class); get_token.to_i32; endprivate def get_v(k : Int64.class); get_token.to_i64; endprivate def get_v(k : UInt32.class); get_token.to_u32; endprivate def get_v(k : UInt64.class); get_token.to_u64; endprivate def get_v(k : Float64.class); get_token.to_f64; endprivate def get_v(k : String.class); get_token; endprivate def get_tokenif @buf.size == @indexstr = @ins.read_line@buf = str.split@index = 0endv = @buf[@index]@index += 1vendprivate def put_v(vs : Enumerable)vs.each_with_index do |v, i|@outs.print v@outs.print " " if i < vs.size - 1endendprivate def put_v(v)@outs.print vendendmacro min_u(a, b){{a}} = Math.min({{a}}, {{b}})endmacro max_u(a, b){{a}} = Math.max({{a}}, {{b}})endmacro zip(a, *b, &block){{a}}.zip({{*b}}) {{block}}endclass CumulativeSum(T)def initialize(a : Array(T))@n = a.size@s = Array.new(@n+1, T.additive_identity)@n.times.each do |i|@s[i+1] = @s[i] + a[i]endendgetter n : Int32def [](start : Int, count : Int)@s[start + count] - @s[start]enddef [](r : Range)sc = Indexable.range_to_index_and_count(r, @n)raise ArgumentError.new("Invalid range") if sc.nil?self[*sc]end@s : Array(T)endsolve(ProconIO.new)