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java code to find the occurrence of 4 from 1 to 50

Attractive Aardvark answered on February 16, 2023 Popularity 1/10 Helpfulness 1/10

answer java code to find the occurrence of 4 from 1 to 50

java code to find the occurrence of 4 from 1 to 50

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// java program to count appearances of
// a digit 'd' in range from [0..n]
import java.*;
 
public class GFG {
     
    static int getOccurrence(int n, int d)
    {
         
        // Initialize result
        int result = 0;
     
        // Count appearances in numbers
        // starting from d.
        int itr = d;
         
        while (itr <= n)
        {
             
            // When the last digit is
            // equal to d
            if (itr % 10 == d)
                result++;
     
            // When the first digit is
            // equal to d then
            if (itr != 0 && itr/10 == d)
            {
                 
                // increment result as
                // well as number
                result++;
                itr++;
            }
     
            // In case of reverse of number
            // such as 12 and 21
            else if (itr/10 == d-1)
                itr = itr + (10 - d);
            else
                itr = itr + 10;
        }
         
        return result;
    }
 
     
    // Driver code
    public static void main (String[] args)
    {
        int n = 11, d = 1;
     
        System.out.println(getOccurrence(n, d) );
    }
}
 
// This code is contributed by Sam007.

Popularity 1/10 Helpfulness 1/10 Language java

Source: www.geeksforgeeks.org

Tags: find java

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Contributed on Feb 16 2023

Attractive Aardvark

0 Answers Avg Quality 2/10

java code to find the occurrence of 4 from 1 to 50

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