Sum of numbers in string | Geeksforgeeks | String Problems solutions | #Bloopers #programming

This is the video under the series of DATA STRUCTURE & ALGORITHM. We are going to solve Questions from GeeksforGeeks Sum of numbers in a string.
Given string str containing alphanumeric characters, calculate the sum of all numbers present in the string.

Which is a very famous and Routine question asked in the Interview. The question is from the Topics Data structure. A full easy concept in Hindi. This is Question is asked in Many companies like Google, Amazon, Oyo Rooms, Paytm, Samsung, Adobe, etc...
We also Provide courses on Competitive Programming and Data structure. Please see our Full Playlist on our Channel.

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[polytechnicgssudhransh]

I love ur teaching style, video bhut AXA lg gya aur aapka behaviour bhi to comment bhi kr diya ❤️❤️

[mangalpardeshi]

Can u find even mumber only from alphanumeric and print those number

[NikhilSharma-kjxe]

I have to find sum of digits of a number but the number of digits in the number is 5*10^5, how to solve it.

[jennincekara]

Wish you can explain this in English. Why did you do -0?

[rajatsingh]

I still dont understand why we have subtracted '0' from s[i].

[navneet]

Bhai ka video dekh aisi feeling aayi ki seedha "Kota Factory" series se uth ke aaye hai. Bahut accha laga apka video!

[Prathmesh.mhatre.]

input = ABC
output =6
plz write this program

[rohitkumar_]

why we have done
(s[i]-'0') at line no. 13 ?
Anyone please explain

[LearnCodeHS]

the exact question was asked in TCS digital hiring

[anirbanpal]

great but couldn't get why we did str[i] and then - '0'

[surjeetsingh-cphn]

That's what I want bro coding question😊

[chandankrraj]

Good explanation, thanks to clear my doubt

[rohitpol]

Heart ❤️ patient had happiness at 1:05 for mere 2 seconds 😆😂

[gauravkumar]

Bhaiya stri -0 kis liye Kara h agar stri hi karte to ans wrong kyu hota h

[shivanijaiswal]

Write a program to find out the sum of digits of a given number .
For any non numeric character use it's ASCII value .
Input 67443a
Output 121
Plz iska code bta dijiye

[priyanshuprajapati]

Bhai aap bina matlb ke video lamba krte ho..

[crjohnChan]

//Time complexity : O(N)
//Space Complexity : O(1)
int sum=0;
for(int i=0;i<str.size();i++){
int num=0;
while(str[i]>='0' && str[i]<='9'){
num=num*10+str[i]-'0';
i++;
}
sum+=num;

}

return sum;