字符串翻转的例子
输入如 A fox has jumped into the river
输出为 river the into jumped has fox A
#include <algorithm>
#include <string>
using std::string;
#include <vector>
using std::vector;
#include <iostream>
using namespace std;
bool reverseSentence( const char *input, vector<string> &output)
{
int len = strlen(input);
string word;
for ( int i = 0; i < len ; i ++ )
{
char currentChar = *(input+i);
if ( ' ' == currentChar || '\0' == currentChar )
{
if ( word != "" )
{
output.push_back(word);
word = "";
continue;
}
}
else
{
word += currentChar;
}
}
if ( word != "")
{
output.push_back(word);
}
reverse(output.begin(),output.end());
return true;
}
int main()
{
vector<string> result;
string str= "A fox has jumped into the river";
reverseSentence( str.c_str(),result);
for ( int i = 0 ; i < result.size(); i ++ )
{
cout << result[i]<<endl;
}
return 0;
}