intdim

整数配列型の変数を宣言する。(バージョン4.72以降)

intdim <array> <size>

解説

<size>個の要素を持つ整数配列型の変数<array>を宣言する。<size>は 1 〜 65536 の範囲の値を持つことができ、配列の添字は0オリジンである。
配列内の各要素の初期値は0。

例

; フィボナッチ数列(Fibonacci sequence)
intdim fibonacci 20
fibonacci[0] = 0
fibonacci[1] = 1
for i 2 19
        fibonacci[i] = fibonacci[i-2] + fibonacci[i-1]
next

msg = ""
for i 0 19
        sprintf2 msg "%s%d, " msg fibonacci[i]
next

messagebox msg "result"

; 2分探索木(binary search tree)
N = 10
intdim a N
a[0] = 1
a[1] = 2
a[2] = 3
a[3] = 7
a[4] = 11
a[5] = 32
a[6] = 40
a[7] = 68
a[8] = 81
a[9] = 99

inputbox 'Search data?' 'User Input'
str2int key inputstr

flag = 0
low = 0
high = N - 1
while low <= high
	mid = (low + high) / 2
	if a[mid] == key then
		sprintf "Your data %d found in index %d." key mid
		messagebox inputstr 'Success'
		flag = 1
		break
	endif
	if a[mid] < key then
		low = mid + 1
	else
		high = mid - 1
	endif
endwhile

if flag == 0 then
	messagebox 'Your data not found.' 'Failure'
endif
end

; エラトステネスのふるい(sieve of Eratosthenes)
;
; Example of execution result
; 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 [17 primes]
;

N = 30
intdim flag N+1
count = 0
for i 0 N
	flag[i] = 1
next

for i 0 N
	if flag[i] =1 then
		count = count + 1
		p = 2 * i + 3
		sprintf "%d " p
		dispstr inputstr

		k = i + p
		while k <= N
			flag[k] = 0
			k = k + p
		endwhile
	endif
next

sprintf "[%d primes]" count
dispstr inputstr

end

参照

• データ型