[백준] 별찍기 문제

별찍기 1: https://www.acmicpc.net/problem/2438

별찍기 2: https://www.acmicpc.net/problem/2439

별찍기 3: https://www.acmicpc.net/problem/2440

별찍기 4: https://www.acmicpc.net/problem/2441

별찍기 5: https://www.acmicpc.net/problem/2442

별찍기 6: https://www.acmicpc.net/problem/2444

별찍기 7: https://www.acmicpc.net/problem/2445

별찍기 8: https://www.acmicpc.net/problem/2446

별찍기 9: https://www.acmicpc.net/problem/2522

별찍기 10: https://www.acmicpc.net/problem/10991

별찍기 11: https://www.acmicpc.net/problem/10992

#include <stdio.h>
 
void print2438(int n) {
    for (int i = 1; i <= n; i++) {
        for (int j = 0; j < i; j++)
            printf("*");
        printf("\n");
    }
}
 
void print2439(int n) {
    for (int i = 1; i <= n; i++) {
        for (int j = n; j > i; j--) //space
            printf(" ");
        for (int j = 0; j < i; j++) //star
            printf("*");
        printf("\n");
    }
}
 
void print2440(int n) {
    for (int i = 0; i < n; i++) {
        for (int j = n-i; j > 0; j--) //star
            printf("*");
        printf("\n");
    }
}
 
void print2441(int n) {
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < i; j++) //space
            printf(" ");
        for (int j = n - i; j > 0; j--) //star
            printf("*");
        printf("\n");
    }
}
 
void print2442(int n) {
    for (int i = 0; i < n; i++) {
        for (int j = n-1; j > i; j--) //space
            printf(" ");
        for (int j = (i+1)*2 -1; j > 0; j--) //star
            printf("*");
        printf("\n");
    }
}
 
void print2444(int n) {
    for (int i = 0; i < n; i++) {
        for (int j = n - 1; j > i; j--) //space
            printf(" ");
        for (int j = (i + 1) * 2 - 1; j > 0; j--) //star
            printf("*");
        printf("\n");
    }
    for (int i = 1; i < n; i++) { //bottom triangle
        for (int j = 0; j < i; j++)
            printf(" ");
        for (int j = (n - i) * 2 - 1; j > 0; j--)
            printf("*");
        printf("\n");
    }
}
 
void print2445(int n) {
    for (int i = 1; i < n; i++) {
        for (int j = 0; j < i; j++) //first star
            printf("*");
        for (int j = (n - i) * 2; j > 0; j--)
            printf(" ");
        for (int j = 0; j < i; j++) //second star
            printf("*");
        printf("\n");
    }
 
    for (int i = 1; i <= n * 2; i++) //center star
        printf("*");
    printf("\n");
 
    for (int i = n-1; i > 0; i--) {
        for (int j = 0; j < i; j++) //first star
            printf("*");
        for (int j = (n - i) * 2; j > 0; j--)
            printf(" ");
        for (int j = 0; j < i; j++) //second star
            printf("*");
        printf("\n");
    }
}
 
void print2446(int n) {
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j < i; j++)
            printf(" ");
        for (int j = (n-i+1)*2-1; j > 0 ; j--)
            printf("*");
        printf("\n");
    }
 
    for (int i = 1; i < n ; i++) {
        for (int j = n-i-1; j > 0; j--)
            printf(" ");
        for (int j = (i+1)*2-1; j > 0; j--) //first star
            printf("*");
        printf("\n");
    }
}
 
void print2522(int n) {
    for (int i = 1; i <= n; i++) {
        for (int j = n-i; j > 0; j--)
            printf(" ");
        for (int j = 1; j <= i; j++)
            printf("*");
        printf("\n");
    }
 
    for (int i = n-1; i > 0; i--) {
        for (int j = n-i; j > 0; j--)
            printf(" ");
        for (int j = i; j > 0; j--) //first star
            printf("*");
        printf("\n");
    }
}
 
void print10991(int n) {
    for (int i = 1; i <= n; i++) {
        for (int j = n - i; j > 0; j--)
            printf(" ");
        for (int j = i*2-1; j > 0 ; j--) {
            if (j % 2) //odd number
                printf("*");
            else
                printf(" ");
        }
        printf("\n");
    }
}
 
void print10992(int n) {
    for (int i = 1; i <= n; i++) {
        for (int j = n - i; j > 0; j--)
            printf(" ");
        if (i == n) {
            for (int j = i * 2 - 1; j > 0; j--) 
                printf("*");
        }
        else {
            for (int j = i * 2 - 1; j > 0; j--) {
                if (j == i * 2 - 1 || j == 1)
                    printf("*");
                else
                    printf(" ");
            }
        }
        printf("\n");
    }
}
 
int main() {
    int n;
    scanf("%d", &n);
 
    print10992(n);
}