View Code of Problem 58

#include <iostream>
using namespace std;
int main(){
	string str;
	getline(cin,str); 
	int num=0;
	for(int i=0;i<str.size()-1;i++){
		if(isalpha(str[i])){
			num++;
		}
		while(isalpha(str[i])&&i<str.size()-1) i++;
		while(!isalpha(str[i])&&i<str.size()-1) i++;
	}
	cout<<num; 
}