Show a nested loop which searches a two-dimensional array filled with random numbers uniformly distributed over 



[
1
,
…
,
20
]


{\displaystyle [1,\ldots ,20]}

.

The loops iterate rows and columns of the array printing the elements until the value 



20


{\displaystyle 20}

 is met.

Specifically, this task also shows how to break out of nested loops.



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DIM a(1 TO 10, 1 TO 10) AS INTEGER
CLS
FOR row = 1 TO 10
        FOR col = 1 TO 10
                a(row, col) = INT(RND * 20) + 1
        NEXT col
NEXT row
 
FOR row = LBOUND(a, 1) TO UBOUND(a, 1)
        FOR col = LBOUND(a, 2) TO UBOUND(a, 2)
                PRINT a(row, col)
                IF a(row, col) = 20 THEN END
        NEXT col
NEXT row