Java: Reads an integer n and find the number of combinations of a,b,c and d will be equal to n
Count Combinations for Sum N
Write a Java program which reads an integer n and finds the number of combinations of a,b,c and d (0 ≤ a,b,c,d ≤ 9) where (a + b + c + d) equals n.
Input:
n (1 ≤ n ≤ 50).
Sample Solution:
Java Code:
Sample Output:
Input the number(n): 5 Number of combinations of a, b, c and d : 56
Flowchart:
For more Practice: Solve these Related Problems:
- Write a Java program to count the number of combinations of four digits (0–9) that sum to a given target using recursion.
- Write a Java program to determine the number of combinations of five digits that sum to a specified value under given constraints.
- Write a Java program to compute the number of combinations where the sum of selected digits equals n using dynamic programming.
- Write a Java program to count the number of distinct combinations of digits (order irrelevant) that yield a specific sum.
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