2442번: 별찍기 - 5

#include<cstdio>
int main()
{
    int n, sp, st = 1;
    scanf("%d", &n);
    sp = n - 1;
    while (n--)
    {
        for (int i = 0; i < sp; ++i)
            printf(" ");
        for (int i = 0; i < st; ++i)
            printf("*");
        printf("\n");
        --sp;
        st += 2;
    }
}