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统计数字字符个数
统计数字字符个数
mac
2026-01-22
3
#
include
<stdio.h>
#
include
<string.h>
main
(
)
{
int
n
,
i
,
num
=
0
;
char
a
[
256
]
;
gets
(
a
)
;
n
=
strlen
(
a
)
;
//获取长度以便循环
for
(
i
=
0
;
i
<
n
;
i
++
)
{
if
(
a
[
i
]
>=
48
&&
a
[
i
]
<=
57
)
//判断是否是数字
num
++
;
}
printf
(
"%d"
,
num
)
;
//输出结果
}
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