1)var a:array[1..3,1..3] of integer; b:array[1..3,1..3] of integer; c:array[1..3,1..3] of integer; i,j:integer; begin; writeln('A array:'); for i:=1 to 3 do begin; writeln; for j:=1 to 3 do begin; a[i,j]:=random(10)-10; write(a[i,j]:4); end; end; writeln; writeln('B array:'); for i:=1 to 3 do begin; writeln; for j:=1 to 3 do begin; b[i,j]:=random(-10,10); write(b[i,j]:4); end; end; writeln; writeln('C array:'); for i:=1 to 3 do begin; writeln; for j:=1 to 3 do begin; c[i,j]:=a[i,j]*b[i,j]; write(c[i,j]:4); end; end; end. 2)var a:array[1..1000,1..1000] of integer; i,j,k,n,u:integer; begin; randomize; readln(n); writeln('A array:'); for i:=1 to n do begin; writeln; for j:=1 to n do begin; a[i,j]:=random(10)-10; write(a[i,j]:4); end; end; for i:=1 to n do begin; for j:=1 to n do u+=a[i,j]; if u<0 then inc(k); u:=0; end; writeln; write('Result:',k); end.
begin
var a:=ArrRandom(100,-10,10);
a.Println;
Writeln(a.Where(x->x>0).Count,' положительных, ',
a.Where(x->x<0).Count,' отрицательных')
end.
Тестовое решение:
4 -6 0 8 2 -2 -1 -8 -6 8 -3 7 4 -7 -5 9 0 -3 -7 1 0 -4 6 3 8 -10 4 9 3 5 8 5 5 8 10 4 -8 3 8 8 -9 2 7 -8 -7 -5 2 -9 0 9 -7 7 -2 -6 7 -2 -1 7 -10 2 4 1 -1 0 10 3 -8 6 -6 2 6 7 -1 -4 -1 8 0 3 0 2 -2 2 -1 5 1 -9 -4 1 -9 1 -6 -5 3 -4 -7 1 -7 -3 -7 1
51 положительных, 42 отрицательных