c++基础

#include <iostream>
#include <string>

int main() {
    std::string input;
    std::cout << "请输入一个字符串: ";
    std::getline(std::cin, input);

    int uppercase = 0, lowercase = 0, digits = 0, spaces = 0,other = 0;

    for (char c : input) {
        if (std::isupper(c)) {
            uppercase++;
        } else if (std::islower(c)) {
            lowercase++;
        } else if (std::isdigit(c)) {
            digits++;
        } else if (c == ' ') {
            spaces++;
        }else{
            other++;
        }
    }

    std::cout << "大写字母数量: " << uppercase << std::endl;
    std::cout << "小写字母数量: " << lowercase << std::endl;
    std::cout << "数字数量: " << digits << std::endl;
    std::cout << "空格数量: " << spaces << std::endl;
    std::cout << "其他字符数量" << other << std::endl;

    return 0;
}