View Code of Problem 50

#include <stdio.h>
#include <string.h>
void main() 
{
	char str1[1000], str2[1000];
	gets(str1);
	int k = 0;
	for (int i = 0; i < strlen(str1); i++)
	{
		if (str1[i] >= '0' && str1[i] <= '9')
		{
			str2[k++] = str1[i];
		}
		else
		{
			if ((str1[i + 1] >= '0' && str1[i+ 1] <= '9' )|| str1[i+1] == '\0')
			{
				str2[k++] = '*';
			}
		}
	}
	for (int i = 0; i < k; i++)
	{
		printf("%c", str2[i]);
	}
}