[過去ﾛｸﾞ] プログラミングのお題スレ Part13 (1002ﾚｽ)
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745: 2019/03/21(木)11:30 ID:4Lv8Ku6J(1/2)調 AAS
>>494 Squeak Smalltalk。コンマを分割と見なしそれぞれについての和を出力させてみた

| fn |
fn := [:columnName |
FileStream oldFileNamed: 'data.txt' do: [:file |
| index sum |
index := (file nextLine subStrings: ' ') indexOf: columnName.
sum := 0.
[file atEnd] whileFalse: [
| next |
next := ((file nextLine subStrings: ' ') at: index) subStrings: ','.
sum := sum + (next size = 1 ifTrue: [next anyOne] ifFalse: [next])].
sum
]
].

fn value: 'カラム3'. "=> 7.1 "
fn value: 'カラム1'. "=> #(3.1 2.1) "

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748: 2019/03/21(木)22:33 ID:4Lv8Ku6J(2/2)調 AAS
>>723 Squeak Smalltalk

| fn |
fn := [:int1 :int2 |
| strings width digits interms ans max line |
strings := {int1. int2} collect: #asString.
width := (strings detectMax: #size) size.
digits := strings collect: [:str |
(str forceTo: width paddingStartWith: $0) reversed asArray collect: #asString].
interms := (digits reduce: #+) collectWithIndex: [:interm :idx |
interm, (String new: idx-1 withAll: Character space)].
ans := interms polynomialEval: '10'.
strings atLast: 1 put: '+ ', strings last.
max := ((strings, {ans}) collect: #size) max.
line := String new: max withAll: $-.
(strings, {line}, interms, {line. ans} collect: [:str |
(str forceTo: max paddingStartWith: Character space) withoutTrailingBlanks
]) asStringWithCr
].

fn value: 987 value: 65. "=>
' 987
+ 65
----
12
14
9
----
1052' "

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