Find an Element in 2 dimensional sorted array
Objective : Write an algorithm to find an Element in 2 dimensional array where rows and columns are sorted respectively.
Input: A two dimensional sorted array, arrA.
Output : True or false based on whether element exists and its location
- Start from the right top corner, say ele is the matrix element;
- If ele>number -> move left
- If ele<number -> move down
- If you cant move further to find the number , return false
The Movement : 4->9->16->15->The 15 present in 2D array a ??? :true The Movement : 4->9->8->7->6->The 5 present in 2D array a ??? :false The Movement : 4->9->16->20->19->The 19 present in 2D array a ??? :true The Movement : 4->9->16->20->The 25 present in 2D array a ??? :false
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