const n=5;
m=5;
var a:array[1..n,1..m]of integer;
i,j,jmax,jmin:integer;
begin
randomize;
for i:=1 to n do
begin
for j:=1 to m do
begin
a[i,j]:=random(21)-10;
write(a[i,j]:4);
end;
writeln;
end;
for i:=1 to n do
begin
jmax:=1; jmin:=1;
for j:=2 to m do
begin
if a[i,j]>a[i,jmax] then jmax:=j;
if a[i,j]<a[i,jmin] then jmin:=j;
end;
a[i,1]:=a[i,jmax];
a[i,m]:=a[i,jmin];
end;
writeln('Результат:');
for i:=1 to n do
begin
for j:=1 to m do
write(a[i,j]:4);
writeln;
end;
end.