BestSellerBook

#include<stdio.h>
#include <stdlib.h>
struct Bfair    {
    char BookName[100];
    char AuthorName[100];
    int CopiesSold;
};

void BestSeller(struct Bfair arr[],int n) {
    FILE *fp;
    fp = fopen("bestbook.txt", "w");

    int mx=0,i;
    for(i=0;i<n;i++) {
        if(arr[i].CopiesSold>mx) mx=arr[i].CopiesSold;
    }

    for(i=0;i<n;i++) {
        if(arr[i].CopiesSold==mx){
            fprintf(fp,"BookName: ");
            fprintf(fp,"%s\n",arr[i].BookName);

            fprintf(fp,"AuthorName: ");
            fprintf(fp,"%s\n",arr[i].AuthorName);

            fprintf(fp,"CopiesSold: %d\n\n",arr[i].CopiesSold);
        }
    }
}


int main() {

    struct Bfair vr[200];
    int i=0;

    for(i=0;i<200;i++) {
        printf("Enter the Book name: ");
        gets(vr[i].BookName);
        printf("Enter the Book's Author name: ");
        gets(vr[i].AuthorName);
        printf("Enter the Book's sold copy number: ");
        scanf("%d",&vr[i].CopiesSold);
        getchar();
    }

    BestSeller(vr,200);
    return 0;
}