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Lenguaje
Pascal
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Descripción
Programa que pide el número de niveles para mostrar el Triángulo de Pascal
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program pascal_;
uses crt;
var i, j, n : integer;
type integerarray = array[0..0] of integer;
type pintegerarray = ^integerarray;
var buffer, fila : pintegerarray;
var tecla : char;
begin
write ('Ingrese el n'#163'mero de niveles: ');
readln (n);
getmem (buffer, sizeof (pintegerarray) * (n + 2));
getmem (fila , sizeof (pintegerarray) * (n + 2));
for j := 0 to n + 1 do
begin
buffer^[j] := 0;
fila ^[j] := 0;
end;
for i := 0 to n do
begin
fila^[0] := 1;
fila^[i] := 1;
for j := 1 to i + 1 do
fila^[j] := buffer^[j-1] + buffer^[j];
j := n-1;
while j>=i do
begin
write (' ');
dec (j);
end;
for j := 0 to i do
write (fila^[j]:5, ' ');
writeln;
for j := 0 to n+1 do
buffer^[j] := fila^[j];
end;
writeln;
write ('Presione una tecla para terminar . . . ');
tecla := readkey;
end.
uses crt;
var i, j, n : integer;
type integerarray = array[0..0] of integer;
type pintegerarray = ^integerarray;
var buffer, fila : pintegerarray;
var tecla : char;
begin
write ('Ingrese el n'#163'mero de niveles: ');
readln (n);
getmem (buffer, sizeof (pintegerarray) * (n + 2));
getmem (fila , sizeof (pintegerarray) * (n + 2));
for j := 0 to n + 1 do
begin
buffer^[j] := 0;
fila ^[j] := 0;
end;
for i := 0 to n do
begin
fila^[0] := 1;
fila^[i] := 1;
for j := 1 to i + 1 do
fila^[j] := buffer^[j-1] + buffer^[j];
j := n-1;
while j>=i do
begin
write (' ');
dec (j);
end;
for j := 0 to i do
write (fila^[j]:5, ' ');
writeln;
for j := 0 to n+1 do
buffer^[j] := fila^[j];
end;
writeln;
write ('Presione una tecla para terminar . . . ');
tecla := readkey;
end.