View Code of Problem 43

#include <iostream>
#include<string.h>
#include<math.h>
using namespace std;
int main()
{
	char ch[90];
	scanf("%s",ch);
	int l=strlen(ch);
	int i,j;
	j=0;
	for(i=0;i<l;i++)
	{
		int n=ch[i]-'A';
		if((n>=0&&n<26)||(n>=32&&n<58))
			ch[j++]=ch[i];
	 } 
	 for(i=0;i<j;i++)
	 	printf("%c",ch[i]);
	return 0;
 } 

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