Type Mass = array[1..50,1..50] of integer;Procedure ABC(Var A:Mass; Var Max:integer);Var i,j:integer;BeginWrite('M = ');ReadLn(i);Write('N = ');ReadLn(j);For i:= 1 to i do Begin For j:= 1 to j do Begin A[i,j]:=random(21)-10; Write(A[i,j]:3,' ') End; WriteLn; End;{Поиск максимума}Max:=A[1,1];For i:= 1 to i do For j:= 1 to j do if A[i,j]>Max then Max:=A[i,j];End;Var A,B,C:Mass; MaxMax,Max:integer;BeginRandomize;WriteLn('Массив A(M,N):');ABC(A,Max);WriteLn('Max(A) = ',Max);MaxMax:=Max;WriteLn;WriteLn('Массив B(M,N):');ABC(B,Max);WriteLn('Max(B) = ',Max);if MaxMax<Max then MaxMax:=Max;WriteLn;WriteLn('Массив C(M,N):');ABC(C,Max);WriteLn('Max(C) = ',Max);if MaxMax<Max then MaxMax:=Max;WriteLn;WriteLn('Max(Max(A),Max(B),Max(C)) = ',MaxMax);End.