1)
for (int x = 1;
x<=6;
x++)
{
for (int y = 1;
y<=x;
y++)
{
cout<}
cout<
【C++:使用循环输出各种图形】2)
for(int i = 6;
i>=1;
i--)
{
for (int k = 1;
k<=i;
k++)
{
cout<}
cout<
3)
for (int h = 1;
h<=6;
h++)
{
for (int m = 1;
m<=6-h;
m++)
{
cout<}
for (int j = h;
j>0;
j--)
{
cout<}
4)
for (int a = 6;
a>0;
a--)
{
for (int b = 6 - a;
b>0;
b--)
{
cout<}
for (int c = 1 ;
c<=a;
c++)
{
cout<}
cout<