var
matriz: array[1..4, 1..4] of byte;
vector: array[1..10] of byte;
i,j,k: integer;
begin
//inicializamos el vector y la matriz
//leemos los valores del vector
k := 1;
for i:=1 to 4 do
for j:=1 to i do
begin
matriz[i,j] := vector[k];
k := k + 1;
end;
end.