题解 | #首字母大写#

#include<iostream>
#include<string>
using namespace std;
int main(){
	string str;
	while (getline(cin, str)){
		if ('a' <= str[0] && str[0] <= 'z'){
			str[0] = str[0] - 32;
		}
		for (int i = 1; i < str.size() - 1; i++){
			if ((str[i] == ' ' || str[i] == '\t' || str[i] == '\r' || str[i] == '\n') && 'a'<=str[i + 1]&&str[i+1]<='z'){
				str[i+1] = str[i+1] - 32;
			}
		}
		cout << str << endl;
	}
}