1121. Capitalize first letter

Title Description:

For all words in a string, if the first letter of the word is not an uppercase letter, the first letter of the word becomes uppercase.
In the string, the words are separated by a white space character, including a space ('), a tab (' \ t '), a carriage return (' \ R '), and a newline character (' \ n ').

Input:

Enter a line: the string to be processed (less than 100 in length).

Output:

There may be multiple sets of test data, for each set of data,
Output one line: the converted string.

Sample input:

If so, you already has a Google account. You can sign in to the right.

Sample output:

If So, you already has A Google account. You Can sign in to the right.

Source:

2008 the computer research of the graphics Laboratory of Peking University The real problem

#include <iostream>#include<cstring>using namespacestd;intMain () {strings;  while(Getline (cin,s)) {if(s[0]<='Z'&& s[0]>='a') s[0]=s[0]- +;  for(intI=1; I<s.size (); i++){            if(s[i]==' '|| s[i]=='\ t'|| s[i]=='\ r'|| s[i]=='\ n'){                    if(s[i+1]<='Z'&& s[1+i]>='a') s[1+i]=s[i+1]- +; }} cout<<s<<Endl; }    return 0;} 

1121. Capitalize first letter