~cpp
#include <stdio.h>
main ()
{
int num,i,j,k;
printf(" :");
scanf("%d",&num);
for(i=0;i<num;i++){
for (j=num-i;j>1;j--){
printf(" ");
}
for(k=0;k<i*2+1;k++){
printf("*");
}
printf("\n");
}
system("PAUSE");
}
~cpp
#include <stdio.h>
main ()
{
int num,i,j,k;
char pattern;
printf(" : ");
scanf("%c" , &pattern);
printf(" 길 : ");
scanf("%d",&num);
for(i=0;i<num;i++){
for (j=num-i;j>1;j--){
printf(" ");
}
for(k=0;k<i*2+1;k++){
printf("%c", pattern);
}
printf("\n");
}
for(i=0;i<num-1;i++){
for(k=0;k<i+1;k++){
printf(" ");
}
for (j=2*(num-i)-3;j>0;j--){
printf("%c", pattern);
}
printf("\n");
}
system("PAUSE");
}
- 
