結果
問題 | No.1514 Squared Matching |
ユーザー | te-sh |
提出日時 | 2021-07-03 14:36:40 |
言語 | Crystal (1.11.2) |
結果 |
AC
|
実行時間 | 1,347 ms / 4,000 ms |
コード長 | 2,877 bytes |
コンパイル時間 | 12,460 ms |
コンパイル使用メモリ | 295,144 KB |
実行使用メモリ | 400,388 KB |
最終ジャッジ日時 | 2024-06-30 06:22:35 |
合計ジャッジ時間 | 34,862 ms |
ジャッジサーバーID (参考情報) |
judge4 / 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
6,816 KB |
testcase_01 | AC | 1,347 ms
400,312 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 1 ms
6,940 KB |
testcase_05 | AC | 3 ms
6,940 KB |
testcase_06 | AC | 18 ms
9,148 KB |
testcase_07 | AC | 237 ms
79,336 KB |
testcase_08 | AC | 1,282 ms
385,840 KB |
testcase_09 | AC | 1,119 ms
337,732 KB |
testcase_10 | AC | 1,218 ms
365,776 KB |
testcase_11 | AC | 1,275 ms
380,856 KB |
testcase_12 | AC | 1,323 ms
391,324 KB |
testcase_13 | AC | 1,331 ms
396,488 KB |
testcase_14 | AC | 1,336 ms
398,672 KB |
testcase_15 | AC | 1,343 ms
399,564 KB |
testcase_16 | AC | 1,339 ms
400,036 KB |
testcase_17 | AC | 1,331 ms
400,272 KB |
testcase_18 | AC | 1,336 ms
400,328 KB |
testcase_19 | AC | 1,331 ms
400,356 KB |
testcase_20 | AC | 1,345 ms
400,388 KB |
testcase_21 | AC | 1,334 ms
400,308 KB |
testcase_22 | AC | 225 ms
83,816 KB |
testcase_23 | AC | 498 ms
161,804 KB |
testcase_24 | AC | 775 ms
241,328 KB |
testcase_25 | AC | 1,045 ms
320,832 KB |
ソースコード
require "bit_array" def main(io) n = io.get a = BitArray.new(n+1, true) b = Array.new(n+1, &.itself) (2..isqrt(n)).each do |i| next unless a[i] j = i*2 while j <= n a[i] = false j += i end i2 = j = i*i while j <= n while b[j] % i2 == 0 b[j] //= i2 end j += i2 end end c = Array.new(n+1, 0) (1..n).each do |i| c[b[i]] += 1 end io.put c.reduce(0) { |a, b| a + b*b } end macro min_u(a, b) {{a}} = Math.min({{a}}, {{b}}) end macro max_u(a, b) {{a}} = Math.max({{a}}, {{b}}) end def isqrt(n : Int32) m = 46340 r = (1..m).bsearch { |i| i**2 > n } r.nil? ? m : r - 1 end def powr(a : T, n : Int, i : T = T.multiplicative_identity) forall T powr(a, n, i) { |a, b| a * b } end def powr(a : T, n : Int, i : T = T.multiplicative_identity, &block) forall T return i if n == 0 r, b = i, a while n > 0 r = yield r, b if n.bit(0) == 1 b = yield b, b n >>= 1 end r end def ext_gcd(a : T, b : T) forall T if a == 0 {b, T.new(0), T.new(1)} else g, x, y = ext_gcd(b%a, a) {g, y-(b//a)*x, x} end end class ProconIO def initialize @buf = [] of String @index = 0 end def get(k : T.class = Int32) forall T get_v(k) end def get(*ks : T.class) forall T ks.map { |k| get_v(k) } end macro define_getn {% for i in (2..9) %} def get{{i}}(k : T.class = Int32) forall T get({% for j in (1..i) %}k{% if j < i %}, {% end %}{% end %}) end {% end %} end define_getn def get_a(n : Int, k : T.class = Int32) forall T Array.new(n) { get_v(k) } end def get_c(n : Int, k : T.class = Int32) forall T get_a(n, k) end def get_c(n : Int, *ks : T.class) forall T a = Array.new(n) { get(*ks) } ks.map_with_index { |_, i| a.map { |e| e[i] } } end macro define_getn_c {% for i in (2..9) %} def get{{i}}_c(n : Int, k : T.class = Int32) forall T get_c(n, {% for j in (1..i) %}k{% if j < i %}, {% end %}{% end %}) end {% end %} end define_getn_c def get_m(r : Int, c : Int, k : T.class = Int32) forall T Array.new(r) { get_a(c, k) } end def put(*vs) vs.each.with_index do |v, i| put_v(v) print i < vs.size - 1 ? " " : "\n" end end def put_e(*vs) put(*vs) exit end private def get_v(k : Int32.class); get_token.to_i32; end private def get_v(k : Int64.class); get_token.to_i64; end private def get_v(k : String.class); get_token; end private def get_token if @buf.size == @index @buf = read_line.split @index = 0 end v = @buf[@index] @index += 1 v end private def put_v(vs : Enumerable) vs.each_with_index do |v, i| print v print " " if i < vs.size - 1 end end private def put_v(v) print v end end main(ProconIO.new)