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Fixed : Edge checks for cMid preventing it from getting index out of bounds.#1623

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yrajat01 wants to merge 1 commit intokunal-kushwaha:mainfrom
yrajat01:fix-sortedMatrix-code
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Fixed : Edge checks for cMid preventing it from getting index out of bounds.#1623
yrajat01 wants to merge 1 commit intokunal-kushwaha:mainfrom
yrajat01:fix-sortedMatrix-code

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In the original program, when searching in the four quadrants, we were looking up with cMid-1 and cMid+1, but if cMid is 0 then cMid-1 is not possible and the program will throw -1 index out of bounds error. Likewise when doing cMid+1, if cMid is already on the last column of the matrix it is not possible to exceed the search and again the program will throw Index Out Of Bounds error.
I have fixed these edge cases. Please do review and accept the pull request.
Thank You for this superb course on DSA with Java.

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