program kk;
uses crt;
const
n = 4;
m = 5;
type
matr = array [1 .. n, 1 .. m] of integer;
var
a: matr;
i, j, kol, tr: integer;
begin
clrscr;
writeln('Vvedite matricy ', n, ' na ', m);
for i := 1 to n do
for j := 1 to m do
read(a[i, j]);
kol := 0;
for j := 1 to m - 1 do
begin
tr := 1;
for i := 1 to n do
if a[i, j] <> a[i, m] then
begin
tr := 0;
break;
end;
if tr = 1 then
kol := kol + 1;
end;
writeln('kol-vo stolbcev ravnix s poslednim: ', kol);
readkey;
end.