 #### Loading... Leaderboard
Showing: Handle Score
@Ibrahim Nash 6420
@blackshadows 6380
@mb1973 5704
@Quandray 5245
@akhayrutdinov 5111
@saiujwal13083 5046
@sanjay05 3762
@kirtidee18 3673
@mantu_singh 3530
@marius_valentin_dragoi 3523
@sushant_a 3459
Complete Leaderboard
Break Numbers[Duplicate problem]
Easy Accuracy: 84.06% Submissions: 258 Points: 2

Given a large number N, write a program to count the ways to break it into three whole numbers such that they sum up to the original number.

Example 1:

Input: N = 3
Output: 10
Explaination: The ways are
0 + 0 + 3 = 3
0 + 3 + 0 = 3
3 + 0 + 0 = 3
0 + 1 + 2 = 3
0 + 2 + 1 = 3
1 + 0 + 2 = 3
1 + 2 + 0 = 3
2 + 0 + 1 = 3
2 + 1 + 0 = 3
1 + 1 + 1 = 3

Example 2:

Input: N = 1
Output: 3
Explaination: The ways are:
1 + 0 + 0 = 3
0 + 1 + 0 = 3
0 + 0 + 1 = 3

Your Task:
You do not need to read input or print anything. Your task is to complete the function countWays() which takes N as input parameter and returns the total number of possible ways to break N in three whole numbers.

Expected Time Complexity: O(1)
Expected Auxiliary Space: O(1)

Constraints:
1 ≤ N ≤ 109

to report an issue on this page.

### Editorial

We strongly recommend solving this problem on your own before viewing its editorial. Do you still want to view the editorial?

#### My Submissions:

Login to access your submissions.

Break Numbers[Duplicate problem]

#### Output Window  