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.



Related tasks

   Loop over multiple arrays simultaneously
   Loops/Break
   Loops/Continue
   Loops/Do-while
   Loops/Downward for
   Loops/For
   Loops/For with a specified step
   Loops/Foreach
   Loops/Increment loop index within loop body
   Loops/Infinite
   Loops/N plus one half
   Loops/Nested
   Loops/While
   Loops/with multiple ranges
   Loops/Wrong ranges


procedure main()
 
every !(!(L  := list(10)) := list(10))  := ?20   # setup a 2d array of random numbers up to 20
 
every i := 1 to *L do                            # using nested loops
   every j := 1 to *L[i] do
      if L[i,j] = 20 then 
         break break write("L[",i,",",j,"]=20")
 
end