uses crt;
const nmax=20;
var b:array[1..nmax,1..nmax] of integer;
a:array[1..nmax] of byte;
n,i,j,k:byte;
begin
clrscr;
randomize;
repeat
write('Размер матрицы до ',nmax,' n=');
readln(n);
until n in [1..nmax];
writeln('Исходная матрица:');
for i:=1 to n do
begin
for j:=1 to n do
begin
b[i,j]:=-10+random(25);
write(b[i,j]:4);
end;
writeln;
end;
writeln;
for i:=1 to n do
begin
j:=1;
while(j<=n)and(b[i,j]<0) do
j:=j+1;
a[i]:=j-1;
end;
writeln('Вектор количеств отрицательных в начале строк:');
for i:=1 to n do
write(a[i]:3);
readln
end.