const nmax=20;
var b:array[1..nmax,1..nmax] of real;
c:array[1..nmax] of real;
m,n,a,j,k:byte;
p:real;
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 a:=1 to m do
begin
for j:=1 to n do
begin
b[a,j]:=10*random-4;
write(b[a,j]:6:2);
end;
writeln;
end;
writeln;
for a:=1 to m do
begin
p:=1;
k:=0;
for j:=1 to n do
if (abs(b[a,j])>=1)and(abs(b[a,j])<=1.5) then
begin
p:=p*sqr(b[a,j]);
k:=1;
end;
if k=0 then c[a]:=0
else c[a]:=p;
end;
writeln('Последовательность C:');
for a:=1 to m do
write(c[a]:6:2);
readln
end.