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#include<stdio.h> intmain(void) { int num1; intline; /* line number */ intastsk;

ID: 3618868 • Letter: #

Question

#include<stdio.h>

intmain(void)

{

    int num1;

    intline;                /* line number */

    intastsk;               /* asterisks counter */

    intblank;               /* blank counter */


    /* A */

        printf("Enter a numberbetween 3 20: ");/lines for user toinput number of characters*/

       scanf("%d",&num1);                                     

    printf("(A) ");

    for (line = 1; line <= num1; line++) {

      for (astsk = 1; astsk <= line;astsk++)

          printf("*");

      printf(" ");

    }

    printf(" ");

    /* B */

    printf("(B) ");

    for (line = num1; line >= 1; line--) {

      for (astsk = 1; astsk <= line;astsk++)

          printf("*");

      printf(" ");

    }

    printf(" ");

    /* C */

    printf("(C) ");

    for (line = 1; line <= num1; line++) {

      /* blank = line - 1 */

      for (blank = 1; blank <= line -1; blank++)

          printf(" ");

      /* astsk = (num1+1) - line */

      for (astsk = 1; astsk <= (num1+1)- line; astsk++)

          printf("*");

      printf(" ");

    }

    printf(" ");

    /* D */

    printf("(D) ");

    for (line = 1; line <= num1; line++) {

      /* blank = 10 - line */

      for (blank = 1; blank <= num1 -line; blank++)

          printf(" ");

      /* astsk = line */

      for (astsk = 1; astsk <= line;astsk++)

          printf("*");

      printf(" ");

    }

    printf(" ");

    return 0;

}

Explanation / Answer

please rate - thanks changes in red #include #include int main(void) {     int num1;     intline;                /* line number */     intastsk;               /* asterisks counter */     intblank;               /* blank counter */     char ch;     /* A */         printf("Enter a numberbetween 3 20: ");//lines for user to input number ofcharacters*/        scanf("%d",&num1);         while(getchar() !=' ');                                             printf("Enter acharacter to use for your triangles: ");        scanf("%c",&ch);     printf("(A) ");     for (line = 1; line