回答編集履歴
1
追記
test
CHANGED
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@@ -71,3 +71,23 @@
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71
71
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naname[1][i] = row[i][j] if (i+j == N-1)
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72
72
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73
73
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```
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74
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+
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75
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+
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76
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+
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77
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+
私が書くとしたら
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78
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+
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79
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+
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80
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+
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81
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+
```rb
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82
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+
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83
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N = gets.to_i
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84
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+
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85
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+
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86
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+
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87
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row = N.times.map{ gets.split(' ').map(&:to_i)}
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88
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+
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89
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puts N.times.map{|i| row[i][i]}.join ","
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90
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+
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91
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puts N.times.map{|i| row[i][N-i-1]}.join ","
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92
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+
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93
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```
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