Student Class

Easy Classes & Objects

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Problem Statement

Write a C++ program defining a `Student` class that computes and displays total marks and percentage from three subject scores.

Input Format

Roll number (int), Name (string), and three floating-point marks.

Output Format

Print student roll, name, total marks, and percentage.

Constraints

Marks between 0 and 100

Sample Input

101 John 80.0 85.5 90.0

Sample Output

Roll: 101, Name: John, Total: 255.50, Percentage: 85.17

Explanation

Demonstrates processing member variables using member functions.

Starter Code

#include <iostream>
#include <string>
#include <iomanip>

class Student {
public:
    int roll;
    std::string name;
    float m1, m2, m3;
    
    void calculate() {
        // Write your code here
    }
};

int main() {
    Student s;
    if (std::cin >> s.roll >> s.name >> s.m1 >> s.m2 >> s.m3) {
        s.calculate();
    }
    return 0;
}

Limits

Time Limit: 1s
Memory Limit: 256MB

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