# Category: ACM-ICPC

13
May
2017

### Extract Digits From a Number and Make a Sum of all the digits and show this in C

Code is here: #include<stdio.h> int main() { int number; scanf(“%d”,&number); char digits[2000000]; int i=0,d; while(number>0) { d=number%10;…

08
May
2017

### Competitive Programming and Muscle Memory

https://www.raywenderlich.com/135789/how-to-be-a-better-developer-with-programming-challenges https://www.hackerearth.com/getstarted-competitive-programming/

05
May
2017

05
May
2017

21
Apr
2017

### Count number of 2’s in a given range (0 to n)? (ex: range between 0-20, Ans: 3 (i.e [2], 1[2], [2]0))

Google Search: https://www.google.com/search?q=Counting+2s&ie=utf-8&oe=utf-8&client=firefox-b#q=Counting+2s+in+c SOlution: https://www.careercup.com/question?id=56794 //https://www.careercup.com/question?id=56794 #include<stdio.h> int main() { int n,i,j; int ctr=0; scanf(“%d”,&n); for(i=0;i<=n;i++) { for(j=i;j>0;j=j/10) {…

03
Apr
2017

### How to extract a single digit from a number

Divide a number by 10 will give you a digit as int sample: 256/10=25.6==25 25/10=2.5==2 256%10=6 25%10=5…