排序我有以下代码:的std ::排序没有一个std元素::矢量<std::string>
#include <stdio.h>
#include <stdlib.h>
#include <string>
#include <vector>
#include <algorithm>
#include <iostream>
#include <iterator>
#include <boost/foreach.hpp>
#include <boost/tokenizer.hpp>
#include <fstream>
#include <streambuf>
bool cmp(const std::string& lhs, const std::string& rhs) {
return lhs < rhs;
}
int main(int argc, char **argv){
/* USAGE: PROGRAM FILENAME DELIMITER */
if (argc != 3){
fprintf(stderr, "./program filename delimiter \n");
exit(EXIT_FAILURE);
}
char *filename = argv[1];
char *delimiter = argv[2];
std::vector<std::string> vWords;
std::vector<std::string> vWords_TMP;
std::ifstream t(filename);
std::string str((std::istreambuf_iterator<char>(t)),
std::istreambuf_iterator<char>());
boost::char_separator<char> sep(delimiter);
boost::tokenizer< boost::char_separator<char> > tokens(str, sep);
BOOST_FOREACH (const std::string& t, tokens) {
vWords.push_back(t);
}
vWords_TMP = vWords;
for(std::vector<std::string>::const_iterator i = vWords.begin(); i != vWords.end(); ++i) std::cout << *i << '\n';
std::sort(vWords_TMP.begin(), vWords_TMP.end());
for(std::vector<std::string>::const_iterator i = vWords_TMP.begin(); i != vWords_TMP.end(); ++i) std::cout << *i << '\n';
}
然而,当我运行的std ::排序没有排序的载体。我输入以下文件:
> FILE
UUUUUUUUUUUUUUUUUUUUU
AAAAAAAAAAAAAAAAAAAAA
KKKKKKKKKKKKKKKKKKKKK
BBBBBBBBBBBBBBBBBBBBB
YYYYYYYYYYYYYYYYYYYYY
应该变成:
AAAAAAAAAAAAAAAAAAAAA
BBBBBBBBBBBBBBBBBBBBB
KKKKKKKKKKKKKKKKKKKKK
UUUUUUUUUUUUUUUUUUUUU
YYYYYYYYYYYYYYYYYYYYY
但不幸的是输出排序后相同。有任何想法吗?
很多发布的代码与问题无关,删除不仅可以帮助人们阅读您的问题,还可以帮助您自己解决问题 – aaronman
您传递给程序的命令行,特别是分隔符是什么?你有没有仔细检查矢量中的字符串是否有任何流浪的不可打印字符?用'getline'读取你的输入,并按照预期进行排序。 –