[LeetCode]Reverse Words in a String
2014-04-12 17:46
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class Solution {
public:
void reverseWords(string &s) {
string word;
stack<string> wordsStack;
stringstream ss(s);
while(ss>>word)
{
wordsStack.push(word);
}
string res = "";
bool first = true;
while(!wordsStack.empty())
{
if(!first)
res += " ";
res += wordsStack.top();
wordsStack.pop();
first = false;
}
s = res;
}
};
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