2024年12月完成(补充提交)
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#include <iostream>
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#include <string>
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#include <vector>
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#include <algorithm>
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#include "split.h"
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using std::cin;
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using std::cout;
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using std::endl;
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using std::string;
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using std::vector;
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// 函数:反转字符串
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string reverseString(const string& s) {
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return string(s.rbegin(), s.rend());
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}
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int main() {
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// 读取输入文本
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cout << "输入一段文本: ";
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string input;
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std::getline(cin, input);
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// 拆分文本为单词
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vector<string> words = split(input);
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// 对每个单词进行反转
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for (auto& word : words) {
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word = reverseString(word);
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}
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// 按照反转后的单词排序
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std::sort(words.begin(), words.end());
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// 输出排序后的单词,保持与原输入格式一致
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for (size_t i = 0; i < words.size(); ++i) {
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if (i > 0) {
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cout << " "; // 单词间加空格
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}
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cout << words[i];
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}
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cout << endl;
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return 0;
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}
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@@ -0,0 +1,43 @@
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#include <cctype>
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#include <string>
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#include <vector>
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#include "split.h"
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using std::vector;
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using std::string;
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#ifndef _MSC_VER
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using std::isspace;
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#endif
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vector<string> split(const string& s)
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{
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vector<string> ret;
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typedef string::size_type string_size;
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string_size i = 0;
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// invariant: we have processed characters `['original value of `i', `i)'
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while (i != s.size()) {
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// ignore leading blanks
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// invariant: characters in range `['original `i', current `i)' are all spaces
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while (i != s.size() && isspace(s[i]))
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++i;
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// find end of next word
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string_size j = i;
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// invariant: none of the characters in range `['original `j', current `j)' is a space
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while (j != s.size() && !isspace(s[j]))
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++j;
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// if we found some nonwhitespace characters
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if (i != j) {
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// copy from `s' starting at `i' and taking `j' `\-' `i' chars
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ret.push_back(s.substr(i, j - i));
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i = j;
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}
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}
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return ret;
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}
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@@ -0,0 +1,8 @@
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#ifndef GUARD_split_h
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#define GUARD_split_h
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#include <vector>
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#include <string>
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std::vector<std::string> split(const std::string&);
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#endif
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