#include <stdio.h>
int main() {
int n;
scanf("%d",&n);
for(int i=1; i<=n; i++) {
//공백
for(int j=0; j<n-i; j++) {
printf(" ");
}
if (i==1) printf("*");
else if(i==n) {
for(int j=0; j<2*n-1; j++) {
printf("*");
}
} else {
printf("*");
for(int j=0; j<2*(i-1)-1; j++) {
printf(" ");
}
printf("*");
}
printf("\n");
}
return 0;
}
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