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#2
牧人马2020-06-29 17:19
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修改程序
int cton()
{
char ch;
int n=0,f=0,n1=0;
while((ch==getchar())<= "0"||ch>= "9")
{
n1++;
if(n1>=10)
{
printf( "data is wrong !");
return 0;
}
}
do
{
n=n/10+ch-'0';
}
while((ch==getchar())>= "0"&ch<= "9");
return n;
}