Multiply Strings | Leetcode 43 Solution in Hindi

NADOS also enables doubt support, career opportunities and contests besides free of charge content for learning. 1. Given two non-negative integers num1 and num2 represented as strings.
2. Return the product of num1 and num2, also represented as a string.
3. Note: You must not use any built-in BigInteger library or convert the inputs to integer directly.

Topic: #Multipliaction, #longRange, #Maths

Used #DataStructure: #Arrays, #Strings

#TimeComplexity: O(m * n)

#SpaceComplexity: O(m + n)

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#Arrays, #String, #multiplication, #leetcode43, #43leetcode, #pepcodingStringMultiplication, #MultiplyString



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[SashM]

such bol rha hoon sir youtube mein sabse best explanation hai yeh.❤❤❤❤

[mayanknagvanshi-yeariddbi]

Best Teached i have ever found on Internet, What a nice explanation that Was..😊

[kanchanjeswani]

The best explanation on the internet. Thank you sir

[jayakavya]

OMG! Thank you so much.. Such an awesome explanation 👏🏻👏🏻...at first I was little worried as I didn't understand hindi properly so I didn't watch your video but later after watching another videos I didn't understand anything 😕...and then I come back to this channel and after watching this video I come to know that I have missed this excellent lectures from past years!...now the time is around 4 am but I want to watch some more videos of this channel . Once again thank you! 😄

[snehaashishgupta]

Iss question ko karte karte thakk gaya thaa thank you sir for simplifying 🙏

[sharuk]

the way of explanation is awesome, Consider each points thnk u pepcoding for providing a beautiful explanations.

[sharaabsingh]

Very well solved, amazing explanation. Thank you for your efforts!

[aakashgoswami]

We are lucky to have pepcoding and pepcoding is lucky to have teacher like shreesh sir.

[chandragirivishnuvardhan]

Best Explanation in youtube for this problem. Thank you so much brother.This question has wasted lot of my time.

[rohitjibhakate]

Perfect explanantion... Thank you so much

[gulshanrajput]

Nice explanation...
If we put 1 conditions then also work for negative number .

[aakashparmar]

string multiply(string num1, string num2) {
if(num1 == "0" or num2 == "0"){
return "0";
}
int l1 = num1.size();
int l2 = num2.size();
vector<int> ans(l1+l2);
int i = l2 - 1;
int pf = 0;
while(i >= 0){
int j = l1-1;
int carry = 0;
int product = 1;
int k = ans.size()-1-pf;
while(j >= 0){
product = ((num2[i] -'0')*(num1[j]-'0') + carry +ans[k])%10;
carry = ((num2[i] -'0')*(num1[j]-'0') + carry +ans[k]) / 10;
ans[k--] = product;
j--;
}
ans[k--] = carry;
pf++;
i--;
}
string anss = "";
int x = 0;
while(ans[x] == 0){
x++;
}
for(;x<ans.size();x++){
anss += (ans[x] + '0');
}
return anss;
}
If anyone wants C++ version of the above explained method.

[parthgupta]

This is the best explanation and a very clean and simple code for this question. Thank you so much for the video!

[soniamalik]

Pepcoding pr sbhi teachers bhott acha bdhate hai..

[sourabhsharma]

very well explained video god bless you

[neelam]

Thanks for the clear explanation....It was really very helpful.

[adityaojha]

Very nice explanation and with a clean code!!

[arjun]

You made it so easy. Liked and subscribed

[arunchaurasiya]

Sir question aaye num 1='2'; num2='3'; iasi condition aaye string ki jo aapne operation perform karaya basie karege aaapki trah

[LegitGamer]

similar to multiply two linked lists :D