RosettaCodeData/Task/Loops-Nested/XPL0/loops-nested.xpl0

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include c:\cxpl\codes; \intrinsic 'code' declarations
def Size=10;
proc Nest(A); \Display 2-dimensional array A contents until 20 is found
int A;
int I, J, K;
[for J:= 0 to Size-1 do
for I:= 0 to Size-1 do
[K:= A(I,J);
IntOut(0, K); ChOut(0, ^ );
if K = 20 then return; \there is no 'goto' instruction
];
]; \Nest
proc Fill(A); \Fill 2-dimensional array A with random numbers 1..20
int A;
int I, J;
[for J:= 0 to Size-1 do
for I:= 0 to Size-1 do
A(I,J):= Ran(20)+1;
]; \Fill
int Array(Size,Size);
[Fill(Array);
Nest(Array);
]