A-LevelComputer ScienceAlgorithms (Searching) and Program DesignOct/Nov 2025Paper 2 Q56 Marks
A program is being designed in pseudocode. The program contains the following declaration for the global array MyData: DECLARE MyData : ARRAY[1:10000] OF STRING A function FindFirst() is written to search the array for a given string and to return the index of the first element where that string is found, or to return -1 if the string is not found. The function is written in pseudocode as shown: FUNCTION FindFirst(SearchString : STRING) RETURNS INTEGER DECLARE Index, FoundAt : INTEGER FoundAt ← -1 FOR Index ← 1 TO 10000 IF MyData [Index] = SearchString THEN // outer conditional clause IF FoundAt = -1 THEN FoundAt ← Index // inner conditional clause ENDIF ENDIF NEXT Index RETURN FoundAt ENDFUNCTION
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