uses crt;
const n=5;
m=10;
var a:array[1..n,1..m] of integer;
i,j:byte;
mx:integer;
begin
clrscr;
writeln('Исходная матрица:');
for i:=1 to n do
begin
for j:=1 to m do
begin
a[i,j]:=random(20);
write(a[i,j]:4);
end;
writeln;
end;
mx:=a[1,1];
for i:=1 to n do
for j:=1 to m do
if a[i,j]>mx then mx:=a[i,j];
for i:=1 to m do
if i<>6 then a[3,i]:=mx;
for i:=1 to n do
if i<>3 then a[i,6]:=mx;
writeln('Замена элементов строки 3 и столбца 6 максимальным элементом:');
for i:=1 to n do
begin
for j:=1 to m do
write(a[i,j]:4);
writeln;
end;
readln
end.