Lect.22 Array String (Leetcode Question)

[Justin-roy]

Video Timestamp - 55:15
Leetcode Question No- 151. Reverse Words in a String.

Bhaiya Ur Telling Reverse String But There Some Certain Condition have a look....

Here The My Solved Problem Code ..

class Solution {
public:
string reverseWords(string s) {
string ans;
stack stk;
int i = 0;
while(i < s.size()) {
string temp;
while(i < s.size() && s[i] == ' ') ++i;
while(i < s.size() && s[i] != ' ') {
temp.push_back(s[i++]);
}
if(temp.size() > 0)
stk.push(temp);
}
int j=0;
while(!stk.empty()) {
ans += stk.top(); stk.pop();
if(!stk.empty()) ans += ' ';
}
return ans;
}
};

[supersaint7780]

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