SAP Coding Questions - DSA Problems & Solutions

Company Overview

This page contains SAP coding questions from SAP OA placement papers with detailed solutions.

Coding Focus

SAP OA coding section includes 2-3 problems focusing on DSA and ERP concepts. Master arrays, trees, graphs, and database design to succeed.

SAP Coding Questions Overview

SAP OA Coding Section:

• Problems: 2-3 coding problems
• Time: 90 minutes
• Languages: C++, Java, Python

Coding Problems

Question 1: Array Rotation

Q1: Rotate an array to the right by k steps.

Solution (Java):

public void rotate(int[] nums, int k) {
    int n = nums.length;
    k = k % n;
    reverse(nums, 0, n - 1);
    reverse(nums, 0, k - 1);
    reverse(nums, k, n - 1);
}

private void reverse(int[] nums, int start, int end) {
    while (start < end) {
        int temp = nums[start];
        nums[start] = nums[end];
        nums[end] = temp;
        start++;
        end--;
    }
}

Time Complexity: O(n)

Related Resources

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