How should I practice Count Paginated Medical Records in a Range?

Start by reading the full statement, solve the visible examples, then compare the pattern against related IBM online assessment problems in FastPrep.

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Count Paginated Medical Records in a Range

IBM● EasyINTERNNEW GRADOA

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Problem statement

A medical-records API returns a paginated response. For this network-free practice version, pages[i] contains the integer values of the requested record field returned on API page i + 1.

A record qualifies when its field value lies in the inclusive interval from lowerBound through upperBound.

Return the total number of qualifying records across every page.

Function

countMedicalRecordsInRange(pages: int[][], lowerBound: int, upperBound: int) → int

Examples

Example 1

pages = [[110,125,120],[100,115],[]]lowerBound = 110upperBound = 120return = 3

The qualifying values are 110, 120, and 115. Values 125 and 100 fall outside the inclusive interval, and the empty page contributes no records.

Constraints

pages and any of its rows may be empty.
Every field value, lowerBound, and upperBound fits in a signed 32-bit integer.
lowerBound ≤ upperBound.

Source note: These screenshots show the paginated HackerRank medical-records API schema from two independent IBM OA source sightings. Both crops omit the requested filter field and the complete callable contract.