#include <stdio.h>

void main()
{
    FILE *fptr;
    int rollno;
    char name[20];
    float marks;

    printf("Enter roll no.: ");
    scanf("%d", &rollno);

    printf("Enter name: ");
    fflush(stdin);
    gets(name);

    printf("Enter marks: ");
    scanf("%f", &marks);

    fptr = fopen("sample.txt", "w");

    fprintf(fptr, "%d %s %f", rollno, name, marks);
    fclose(fptr);
}

//.....coded by ANANYA MAURYA