CodePudding user response:

 
Void StarTriangle (void) 
{
Int nCount=0; 
Scanf_s (" % d ", & amp; NCount); 

Int I=1; 
Int inc=1; 
While (I & gt; 
=1){
Int nSubCount=nCount - I; 
for (int j=0; J & lt; NSubCount; + + j) 
{
Printf (" "); 
} 

NSubCount=I * 2-1; 
for (int j=0; J & lt; NSubCount; + + j) 
{
Printf (" * "); 
} 

printf("\r\n"); 

If (I & gt;=nCount) 
Inc=- inc. 

I +=inc. 
} 
} 

Void StarTriangle2 (void) 
{
Char input=0; 
Scanf_s (" % c ", & amp; Input, sizeof (char)); 

If (input & lt; 'A' | | 'Z' & lt; Input) 
{
Printf (" input error \ r \ n "); 
return; 
} 

Int nCount=input - 'A' + 1; 

Int I=1; 
Int inc=1; 
While (I & gt; 
=1){
Int nSubCount=nCount - I; 
for (int j=0; J & lt; NSubCount; + + j) 
{
Printf (" "); 
} 

NSubCount=I * 2-1; 
for (int j=0; J & lt; NSubCount; + + j) 
{
Int the add=j; 
If (j & gt;=I) 
The add=nSubCount - j - 1; 
Printf (" % C ", 'A' + add); 
} 

printf("\r\n"); 

If (I & gt;=nCount) 
Inc=- inc. 

I +=inc. 
} 
} 

CodePudding user response:

5
*
* * *
* * * * *
* * * * * * *
* * * * * * * * *
* * * * * * *
* * * * *
* * *
*

D
A
ABA
ABCBA
ABCDCBA
ABCBA
ABA
A
Please press any key to continue...

CodePudding user response:

refer to the second floor Minikinfish response:

5
*
* * *
* * * * *
* * * * * * *
* * * * * * * * *
* * * * * * *
* * * * *
* * *
*

D
A
ABA
ABCBA
ABCDCBA
ABCBA
ABA
A
Please press any key to continue...

So I have the wrong?