1. Largest Odd Number in String | Strings - Easy | #LearnDSA | Leetcode 1903

Timestamps:
Problem discussion: 00:00
Approaching the problem and Dry run: 03:25
Code explanation: 07:50
Complexity Analysis: 09:00

Time Complexity : O(n)
Space Complexity : O(1)


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#DataStructuresAndAlgorithms
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#AyushiSharma
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You're Explanation is too good keep going ❤️‍🔥🔥👍

[CodingOnly-eo]

Please Cover all easy and medium level questions which are most asked in interview of every topic ❤❤❤

[metatech]

Came her specially for string playlist ❤ found it so helpful

[topfacts]

thanks please continue this for easy questions

[vishalisharwal]

Actually you don't need to subtract '0' from num[i] because already in ASCII table odd numbers are allocated to odd digits (for e.g 1 -> 49, 3->51 etc.). Directly num[i]%2 != 0 will also give answer

[samiranroyy]

class Solution {
public String largestOddNumber(String num) {
int n = num.length();
for(int i=n-1;i>=0;i--)
{
if(num.charAt(i)%2 !=0)
{
return num.substring(0, i+1);
}
}
// if no odd integer exists.
return "";
}
}

[lofi_feels]

Lemme try this playlist!! New subscriber btw..

[oggystocky]

How many questions have solved in leetcode?

[knowledgelocater]

If we start from the starting it will have same time complexity as start from the end. Why we should not choose 1st approach?

[SawanRwt-ti]

problem string ka hai or num[i], size();, ye sab kya h didi,

[nithinkottary]

Approach was very good @ayushi, but in interview point of view, are we allowed to use inbuilt functions?.

[anupamkasturia]

What do you use to write on whiteboard?

[DevkantSah]

umm change your mic, or may be my speaker problem