回答編集履歴
6
誤字
test
CHANGED
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@@ -70,7 +70,7 @@
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70
70
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71
71
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```ruby
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72
72
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73
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-
irb(main):00
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73
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irb(main):008:0> ((["%s %d個, "] * (ary0.size - 1)) + ['%s %d個。']).zip(ary0.zip(ary1)).inject('') {|s, v| s += v[0] % v[1]}
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74
74
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75
75
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=> "とんかつ定食 1個, ラーメン 3個, チャーハン 0個, サラダ 2個。"
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76
76
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5
追記
test
CHANGED
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@@ -68,4 +68,14 @@
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68
68
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69
69
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70
70
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71
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+
```ruby
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71
72
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73
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+
irb(main):007:0> ((["%s %d個, "] * (ary0.size - 1)) + ['%s %d個。']).zip(ary0.zip(ary1)).inject('') {|s, v| s += v[0] % v[1]}
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74
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75
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=> "とんかつ定食 1個, ラーメン 3個, チャーハン 0個, サラダ 2個。"
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76
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77
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```
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78
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79
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80
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81
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4
追記
test
CHANGED
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@@ -58,6 +58,14 @@
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58
58
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59
59
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60
60
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61
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+
```ruby
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62
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63
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irb(main):007:0> ary0.zip([' '] * ary0.size, ary1, ['個, '] * (ary0.size - 1) << '個。').join
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64
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65
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=> "とんかつ定食 1個, ラーメン 3個, チャーハン 0個, サラダ 2個。"
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66
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67
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```
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61
68
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62
69
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63
70
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71
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3
削除
test
CHANGED
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@@ -58,14 +58,6 @@
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58
58
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59
59
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60
60
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61
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-
```ruby
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62
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-
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63
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-
irb(main):007:0> "#{ary0.zip(ary1, [' 個, '] * ary0.size).flatten.join}".sub(/, \z/, '。')
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64
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-
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65
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=> "とんかつ定食1 個, ラーメン3 個, チャーハン0 個, サラダ2 個。"
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66
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-
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67
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-
```
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68
61
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69
62
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70
63
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71
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-
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2
追記
test
CHANGED
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@@ -58,4 +58,14 @@
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58
58
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59
59
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60
60
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61
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+
```ruby
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61
62
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63
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irb(main):007:0> "#{ary0.zip(ary1, [' 個, '] * ary0.size).flatten.join}".sub(/, \z/, '。')
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64
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65
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=> "とんかつ定食1 個, ラーメン3 個, チャーハン0 個, サラダ2 個。"
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66
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67
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```
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68
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69
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70
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71
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1
追記
test
CHANGED
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@@ -43,3 +43,19 @@
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43
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44
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```
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46
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47
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48
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49
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追加 2017-02-19
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50
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51
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```ruby
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52
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53
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irb(main):006:0> "#{("%s %d個, " * ary0.size)[0..-3]}。" % (ary0.zip(ary1).flatten)
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54
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55
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=> "とんかつ定食 1個, ラーメン 3個, チャーハン 0個, サラダ 2個。"
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56
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57
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```
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58
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59
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60
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61
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