Difference between revisions of "Basic Pascal Tutorial/Chapter 3/REPEAT..UNTIL/zh CN"
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− | {{REPEAT..UNTIL}} | + | {{Basic Pascal Tutorial/Chapter 3/REPEAT..UNTIL}} |
REPEAT..UNTIL循环 (原作者: Tao Yue, 状态: 未更改) | REPEAT..UNTIL循环 (原作者: Tao Yue, 状态: 未更改) | ||
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先循环后判断: | 先循环后判断: | ||
− | <syntaxhighlight> | + | <syntaxhighlight lang=pascal> |
repeat | repeat | ||
语句1; | 语句1; | ||
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<tt>REPEAT</tt>循环被称之为先循环后判断,任何情况下,循环至少执行一次。 | <tt>REPEAT</tt>循环被称之为先循环后判断,任何情况下,循环至少执行一次。 | ||
− | <syntaxhighlight> | + | <syntaxhighlight lang=pascal> |
var | var | ||
sum,count : integer; | sum,count : integer; | ||
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{|style=color-backgroud="white" cellspacing="20" | {|style=color-backgroud="white" cellspacing="20" | ||
− | |[[WHILE..DO/zh_CN|上一页]] | + | |[[Basic Pascal Tutorial/Chapter 3/WHILE..DO/zh_CN|上一页]] |
− | |[[Contents/ | + | |[[Basic Pascal Tutorial/Contents/zh CN|目录]] |
− | |[[FOR..IN|下一页]] | + | |[[Basic Pascal Tutorial/Chapter 3/FOR..IN/zh_CN|下一页]] |
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Latest revision as of 16:19, 20 August 2022
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REPEAT..UNTIL循环 (原作者: Tao Yue, 状态: 未更改)
先循环后判断:
repeat
语句1;
语句
until 逻辑表达式;
在repeat循环中,复合语句是内置的,因此,你不需要使用begin-end。另外,直至表达式值为真退出循环。
REPEAT循环被称之为先循环后判断,任何情况下,循环至少执行一次。
var
sum,count : integer;
begin
sum := 0;
count := 0;
repeat
count := count + 1;
sum := sum + count
until (count >= 100);
writeln('sum=', sum);
end.
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