¥×¥í¥°¥é¥ß¥ó¥°±é½¬I Exercise on Programming I [1zh] ` `%%%`#`&12_`__~~~alse

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1 I Exercise on Programming I 13 of 14 ( RD S ) I 13 of 14 1 / 39

2 ( RD S ) I 13 of 14 2 / 39

3 game.rb ( RD S ) I 13 of 14 3 / 39

4 game.rb 12 ( ) 1 require "io/console" 2 require "timeout" 3 k = "" 4 x = 5 5 sp = 1 6 life = 3 7 score = 0 8 buf = [] 9 while true 10 buf.unshift(" " * rand(40) + "#" * (score / 15)) 11 buf = buf[0, 9] 12 puts(buf[0]) 13 print("\x1b7\x1b[33m\x1b[10a\x1b[#{x}c#{".oo"[life]}\x1b8\x1b[0m") 14 begin 15 Timeout.timeout(0.1) do 16 while true do 17 k = STDIN.getch 18 if k == " " && sp > 0 19 print("\x1b[9a\x1b[j\x1b8") 20 buf = [""] 21 sp = sp else 23 x = (x + (k == "h"? -1 : 1)) % end 25 end 26 end 27 rescue 28 end 29 life = life - 1 if buf[-1][x] == "#" 30 break if life <= 0 31 score = score end 33 puts(score) ( RD S ) I 13 of 14 4 / 39

5 game.rb 1: require "io/console" require "timeout" width = `tput cols`.to_i # height = `tput lines`.to_i # k = "" x = width / 2 ( ) ( ) ( RD S ) I 13 of 14 5 / 39

6 game.rb 2: # print("\x1b[2j") # print("\x1b[44m\x1b[#{height / 2};#{width / 2-10}H ///// sleep(3) print("\x1b[36m\x1b[#{height / 2 + 2};#{width / 2-10}H") print("ready -- ") sleep(1) print("set -- ") sleep(1) print("go!!!\x1b[0m") game.rb /////\x1b[0m") ( RD S ) I 13 of 14 6 / 39

7 game.rb 3: (width ) buf.unshift(" " * rand(width - score / 15-1) + "#" * (score / 15)) buf = buf[0, 9] puts(buf[0]) print("\x1b7\x1b[33m\x1b[10a\x1b[#{x}c#{".oo"[life]}\x1b8") print("\x1b7\x1b[0;#{width / 2-8}H\x1b[7m SCORE: #{'%04d' % score} \x1b8") ( RD S ) I 13 of 14 7 / 39

8 game.rb 4: else x = (x + (k == "h"? -1 : 1)) % width end ( RD S ) I 13 of 14 8 / 39

9 game.rb 5: if buf[-1][x] == "#" life = life - 1 print("\x1b7\x1b[31m\x1b[10a\x1b[#{x + 1}C\x1b[5m <---damage! \x1b8") end break if life <= 0 ( RD S ) I 13 of 14 9 / 39

10 game.rb 6: LIFE break if life <= 0 score = score + 1 life = life + 1 if life < 3 && score % 10 == 0 end # life print("\x1b7\x1b[15a\x1b[#{width / 2-5}C\x1b[41m\x1b[5m GAME OVER \x1b[0m\x1b8") print("\x1b7\x1b[14a\x1b[#{width / 2-6}C SCORE: #{'%04d' % score} \x1b[0m\x1b8") ( RD S ) I 13 of / 39

11 game.rb 7: # 1000.times do me = " *o.#x"[rand(6)] print("\x1b7\x1b[31m\x1b[#{8 + rand(5)}a\x1b[#{x rand(5)}c#{me}\x1b8") sleep(0.01) end puts ( RD S ) I 13 of / 39

13 variable str = gets.chomp val = gets.to_i.to_s.to_i if else end while end break times S t r i n g I n t e g e r ( RD S ) I 13 of / 39

14 3 Fizz 5 Buzz 3 5 Fizz Buzz 3 5 fizz_buzz 0 49 Fizz Buzz ( RD S ) I 13 of / 39

15 def fizz_buzz(x) if x % 15 == 0 puts("fizz Buzz") elsif x % 3 == 0 puts("fizz") elsif x % 5 == 0 puts("buzz") else puts(x) end end 50.times do i fizz_buzz(i) end ( RD S ) I 13 of / 39

16 (5 min.) ( RD S ) I 13 of / 39

18 y = f (x)

19 : 3 cube a = gets.to_i b = cube(a) puts("aˆ3 = " +b.to_s) def cube(x) y = x * x * x return y end ( RD S ) I 13 of / 39

20 : 3 cube a = gets.to_i b = cube(a) puts("aˆ3 = " +b.to_s) def cube(x) y = x * x * x return y end ( RD S ) I 13 of / 39

21 : 3 cube a = gets.to_i b = cube(a) puts("aˆ3 = " +b.to_s) def cube(x) y = x * x * x return y end return ( RD S ) I 13 of / 39

22 return Ruby return y y : return cube ( Ruby ) def cube(x) x * x * x end return return (C Java Python ) ( RD S ) I 13 of / 39

23 2: 2 max2 a = gets.to_i b = gets.to_i c = max2(a, b) puts(" " + c.to_s) def max2(x, y) if x > y return x else return y end end ( RD S ) I 13 of / 39

24 2: 2 max2 a = gets.to_i b = gets.to_i c = max2(a, b) puts(" " + c.to_s) def max2(x, y) if x > y return x else return y end end ( RD S ) I 13 of / 39

25 2: 2 max2 a = gets.to_i b = gets.to_i c = max2(a, b) puts(" " + c.to_s) def max2(x, y) if x > y return x else return y end end : max3 max2 ( RD S ) I 13 of / 39

26 busfare.rb ( ) bus_fare :, ( ): : bus_fare :, ( ): : (return ) y = f bus (x, y) ( RD S ) I 13 of / 39

27 : busfare.rb 1 def bus_fare(a, c) # Adult, Child 2 # 3 end 4 5 while true 6 x = gets.to_i # 7 y = gets.to_i # 8 break if x == 0 && y == 0 9 puts(bus_fare(x, y)) # 10 end ( RD S ) I 13 of / 39

28 bus_fare ( RD S ) I 13 of / 39

29 bus_fare ( ) ( RD S ) I 13 of / 39

30 bus_fare ( ) ( ) ( RD S ) I 13 of / 39

31 bus_fare ( ) ( ) ( RD S ) I 13 of / 39

32 bus_fare ( ) ( ) ( RD S ) I 13 of / 39

33 bus_fare ( ) ( ) ( RD S ) I 13 of / 39

34 bus_fare ( ) ( ) : ( RD S ) I 13 of / 39

35 : busfare.rb 2 bus_fare :, ( ): : bus_fare :,, ( ): : : 220 : 110 : 2, 110 : 0 ( RD S ) I 13 of / 39

36 : busfare.rb 1 def bus_fare(a, c, i) # Adult, Child, Infant 2 # 3 end 4 5 while true 6 x = gets.to_i # 7 y = gets.to_i # 8 z = gets.to_i # 9 break if x == 0 && y == 0 && z == 0 10 puts(bus_fare(x, y, z)) 11 end ( RD S ) I 13 of / 39

37 [0]

38 [1]

39 [2]

40 length str = "mojiretsu" puts(str) # => "mojiretsu" puts(str.length) # => 9 ( RD S ) I 13 of / 39

41 n " "[i] i [i] 0 str = "mojiretsu" puts(str[2]) # ( RD S ) I 13 of / 39

42 5 min. tategaki.rb while times : e1w19123@edu1: $ ruby tategaki. TeST # T # 0 e # 1 S # 2 T # 3 e1w19123@edu1: $ ( RD S ) I 13 of / 39

43 [i] str = "OIT R&D" puts(str) str[3] = "_" puts(str) str[5] = " and " puts(str) # 3 "_" #!? ( RD S ) I 13 of / 39

44 ( RD S ) I 13 of / 39

45 ==!= ( RD S ) I 13 of / 39

46 ==!= str[i] i ( RD S ) I 13 of / 39

47 ==!= str[i] i str[i, n] str i n ( RD S ) I 13 of / 39

48 ==!= str[i] i str[i, n] str i n str[i..j] str i j ( RD S ) I 13 of / 39

49 ==!= str[i] i str[i, n] str i n str[i..j] str i j str[i..-1] str i ( RD S ) I 13 of / 39

50 a2at.rb : e1w19123@edu1: $ ruby a2at.rb I have an apple. # # e1w19123@edu1: $ ( RD S ) I 13 of / 39

51 r, s, w str ch str ch count_char( ) rswcount_w19???.rb ( w19??? wx ) ( RD S ) I 13 of / 39

52 ( ) : count_char count_char("robotics&design", "i") 2 count_char("robotics&design", "j") 0 ex919123@edu1: $ ruby rswcount_w19123.rb sweet red strawberries # r: 4 # r s: 3 # s w: 2 # w e @edu1: $ # ( RD S ) I 13 of / 39

53 rswcount_w19???.rb Google classroom oit.ac.jp/prog1/selfcheck.rb selfcheck.rb ( RD S ) I 13 of / 39

54 Ruby String ( ) count count_char String#count ( NG ) def count_char(str, ch) str.count(ch) end ( RD S ) I 13 of / 39

56 ( )

57 def count_char(str, ch) # end # # r, s, w # ( RD S ) I 13 of / 39

¥×¥í¥°¥é¥ß¥ó¥°±é½¬I Exercise on Programming I [1zh] ` `%%%`#`&12_`__~~~alse

¥×¥í¥°¥é¥ß¥ó¥°±é½¬I Exercise on Programming I [1zh] ` `%%%`#`&12_`__~~~alse I Exercise on Programming I http://bit.ly/oitprog1 12 of 14 ( RD S ) I 12 of 14 1 / 35 https://bit.ly/oitprog1 ( RD S ) I 12 of 14 2 / 35 game.rb ( RD S ) I 12 of 14 3 / 35 game.rb 11 ( ) 1 require "io/console"

¥×¥í¥°¥é¥ß¥ó¥°±é½¬I Exercise on Programming I [1zh] ` `%%%`#`&12_`__~~~ alse

¥×¥í¥°¥é¥ß¥ó¥°±é½¬I Exercise on Programming I [1zh] ` `%%%`#`&12_`__~~~alse