#include <stdio.h>
 
// Define structure for student
struct Student {
    int rollNo;
    char name[100];
    float marks;
};
 
int main() {
    struct Student s[100];
    int n, i, topIndex = 0;
 
    printf("Enter number of students: ");
    scanf("%d", &n);
    getchar(); // clear input buffer
 
    // Input student details
    for (i = 0; i < n; i++) {
        printf("\nEnter details for Student %d:\n", i + 1);
        printf("Roll No: ");
        scanf("%d", &s[i].rollNo);
        getchar();
 
        printf("Name: ");
        gets(s[i].name);
 
        printf("Marks: ");
        scanf("%f", &s[i].marks);
    }
 
    // Find student with highest marks
    for (i = 1; i < n; i++) {
        if (s[i].marks > s[topIndex].marks)
            topIndex = i;
    }
 
    // Display topper details
    printf("\n===== Student with Highest Marks =====\n");
    printf("Roll No: %d\n", s[topIndex].rollNo);
    printf("Name   : %s\n", s[topIndex].name);
    printf("Marks  : %.2f\n", s[topIndex].marks);
 
    return 0;
}