View Code of Problem 43

#include<stdio.h>
#include<string.h>
int main()
{
	char s[90];
	gets(s);
	int le_s=strlen(s);
	int k=0;
	int i;
	for(i=0;i<le_s;i++)
	{
		if(!(s[i]>='a'&&s[i]<='z'||s[i]>='A'&&s[i]<='Z'))
		{
			k++;
		}
		else
			s[i-k]=s[i];
	}
	s[i-k]='\0';
	puts(s);
	return 0;
}