#include <iostream>
#include <string>
#include <vector>

void rightAlignParagraph(const std::string& paragraph) {
    std::vector<std::string> words;
    std::string word;
    
    // 分割段落为单词
    for (const char c : paragraph) {
        if (c == ' ') {
            words.push_back(word);
            word.clear();
        } else {
            word += c;
        }
    }
    // 处理最后一个单词
    words.push_back(word);
    
    // 计算最长单词长度
    int maxWordLength = 0;
    for (const std::string& w : words) {
        if (w.length() > maxWordLength) {
            maxWordLength = w.length();
        }
    }
    
    // 输出右对齐的段落
    for (const std::string& w : words) {
        int numSpaces = maxWordLength - w.length();
        for (int i = 0; i < numSpaces; ++i) {
            std::cout << " ";
        }
        std::cout << w << std::endl;
    }
}

int main() {
    std::string paragraph = "This is a sample paragraph for right alignment.";
    
    rightAlignParagraph(paragraph);
    
    return 0;
}