uses crt;
const n=5;
var a: array[1..n, 1..n] of integer;
i, j, k: byte; p: integer;
begin
k:=0;
p:=0;
randomize;
clrscr;
writeln ('Ishodn. massiv: ');
for i:=1 to n do
begin
for j:=1 to n do
begin
a[i, j]:=random (19)-9;
write (a[i, j]:3);
end;
writeln;
end;
writeln;
i:=1;
j:=0;
repeat
inc (j);
if a[i, j]=0 then k:=i;
if (j=n) and (i<>n) then
begin
j:=0;
inc (i);
end;
until (k>0) or (i=n) and (j=n);
if k>0 then
begin
for j:=1 to n do
begin
p:=a[1, j];
a[1, j]:=a[k, j];
a[k, j]:=p;
end;
writeln ('Izmenennaya matrica: ');
for i:=1 to n do
begin
for j:=1 to n do
write (a[i, j]:3);
writeln;
end;
end
else writeln ('V matrice net nulevah elementov');
end.