Quiz Program - Part 1

#include <stdio.h>

#include<string.h>

struct Question

{

    int qno;

    char question[300], option1[40],option2[40],option3[40],option4[40],answer[40];

};

int main()

{

    FILE *fp,*fp1;

    int choice,i=0;

    char c;

    struct Question k;

    fp=fopen("Question.txt","a");

    fp1=fopen("Answer.txt","a");

    x:

    printf("\nQuestion No.  ");

    scanf("%d",&k.qno);

    

    c-getchar();

    printf("\nQuestion   ");

    do{

        c=getchar();

        k.question[i]=c;

        i++;

    }while(c!='\n');

    k.question[i-1]='\0';

    printf("\nOption1  ");

    scanf("%s",k.option1); 

    printf("\nOption2  ");

    scanf("%s",k.option2); 

    printf("\nOption3  ");

    scanf("%s",k.option3); 

    printf("\nOption4  ");

    scanf("%s",k.option4); 

    printf("\nAnswer enter in number like 1 or 2 or 3 or 4  ");

    scanf("%d",&choice); 

    fprintf(fp,"%d\t%s\t%s\t%s\t%s\t%s\n",k.qno,k.question,k.option1,k.option2,k.option3,k.option4);

    switch(choice)

    {

        case 1: strcpy(k.answer,k.option1); break;

        case 2: strcpy(k.answer,k.option2); break;

        case 3: strcpy(k.answer,k.option3); break;

        case 4: strcpy(k.answer,k.option4); break;

    }

    fprintf(fp1,"%d\t%s",k.qno,k.answer);

    printf("\nDo you want enter one more question details(1/0)");

    scanf("%d",&choice);

    if(choice==1)

      goto x;

    else

      printf("\nThank you for using our program ");

    fclose(fp);

    return 0;

}