11/11/26 23:24:48.14
>>712
#include <stdio.h>
int
main()
{
char s[20], *p = s, k[][10] = {"", "万", "億", "兆"};
int n = 0;
printf("n=");
scanf("%s", s);
while (*p++)
n++;
for (p = s; *p; p++) {
putchar(*p);
if (--n % 4 == 0)
printf("%s", k[n / 4]);
}
return 0;
}