uses crt;
const nmax=20;
var a:array[1..nmax,1..nmax] of integer;
m,n,i,j,k:byte;
begin
clrscr;
randomize;
repeat
write('Количество строк до ',nmax,' m=');
readln(m);
until m in [1..nmax];
repeat
write('Количество столбцов до ',nmax,' n=');
readln(n);
until n in [1..nmax];
writeln('Исходная матрица:');
for i:=1 to m do
begin
for j:=1 to n do
begin
a[i,j]:=random(20)-2;
write(a[i,j]:4);
end;
writeln;
end;
for i:=1 to m do
begin
k:=0;
for j:=1 to n do
if a[i,j]<0 then k:=k+1;
if k>0 then writeln('В строке ',i,' ',k,' отр. элм.');
end;
readln
end.