피라미드관련 for문들 역시 기초가 중요합니다

#include <stdio.h>

void main()
{

 //for(i=0;i<=15;i++)
 //{
 // for(j=15;j>=0;j--)
 // {
 //  if(j<=k)
 //  {
 //   printf("*");
 //  }else
 //  {
 //   printf(".");
 //  }
 // }

 // k++;
 // printf("\n");
 //}

 






 /*int i, j;
 int hight;

 printf("피라미드 높이를 입력하시오: ");
 scanf("%d", &hight);

 for (i = 0; i < 15; i++)
 {
  for(j = 0; j < i+1; j++)
  {
   printf("*");
  }
  printf("\n");
 }*/

 

         //int i,j,n;

         //scanf("%d",&n); // 피라미드의 층수
         //for(i=1;i<=n;i++)
         //{
         //         if(i==n)
         //         {
         //                  for(j=0;j<2*n-1;j++) printf("*");
         //                  printf("\n");
         //                  break;
         //         }
         //         for(j=0;j<n-i;j++)
         //         {
         //                  printf(" ");
         //         }
         //         printf("*");
         //         for(j=0;j<i*2-2;j++)
         //         {
         //                  if(j<i*2-3) printf(" ");
         //                  else printf("*");
         //         }
         //         for(j=0;j<n-i;j++)
         //         {
         //                  printf(" ");
         //         }
         //         printf("\n");
         //}

         //int i,j;
         //for(i=1;i<10;i++)
         //{
         //         for(j=0;j<10-i;j++)
         //         {
         //                  printf(" ");
         //         }
         //         if(i!=1) printf("*");
         //         for(j=0;j<i*2-3;j++)
         //         {
         //                  printf(" ");
         //         }
         //         printf("*\n");
         //}
         //for(i=0;i<19;i++) printf("*");
         //printf("\n");
  

 

         //int i,j,n;

         //scanf("%d",&n); // 피라미드의 층수
         //for(i=1;i<=n;i++)
         //{
         //         if(i==n)
         //         {
         //                  for(j=0;j<2*n-1;j++) printf("*");
         //                  printf("\n");
         //                  break;
         //         }
         //         for(j=0;j<n-i;j++)
         //         {
         //                  printf(" ");
         //         }
         //         printf("*");
         //         for(j=0;j<i*2-2;j++)
         //         {
         //                  if(j<i*2-3) printf(" ");
         //                  else printf("*");
         //         }
         //         for(j=0;j<n-i;j++)
         //         {
         //                  printf(" ");
         //         }
         //         printf("\n");
         //}

 

 

 

 

 //int i,j,k=0;

}