题解 | #首字母大写#

#include <iostream>
using namespace std;
string str;
bool isSpliter(char c){
    if(c == ' ' || c == '\t' || c == '\r' || c == '\n') return true;
    return false;
}
int main() {
    while (getline(cin, str)) {
        for(int i = 0; i < str.length(); i ++){
            if(str[i] >= 'a' && str[i] <= 'z') str[i] -= 32;
            while(!isSpliter(str[i]) && i < str.length()) i ++;
        }
        cout << str;
    }
    return 0;
}