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| # include <stdio.h>
int main (void)
{
long int a,i=0,s[65];
printf("input a number:");
scanf("%ld",&a);
while (a!=0)
{
if ( (a%10)%2 == 0 )
{
s[i] = a%10;
i++;
}
a = a/10;
}
printf("output:");
for ( i=i-1 ; i >= 0; i-- )
{
printf("%ld",s[i]);
}
printf("\n");
return 0;
}
|
