Student

student.cpp

#include <string>
#include <cstdlib>
#include <cstdio>
#include <iostream>

struct student {
    int id;
    std::string name;
    int age;
    char gender;
    float gpa;
};

int main()
{
    unsigned int student_total;
    student *students;

    std::cin >> student_total >> std::ws;
    
    students = (student*) malloc(sizeof(student) * student_total);

    for(int i = 0; i < student_total; i++)
    {
        student student_temp;
        
        std::cin >> student_temp.id >> std::ws;
        std::getline(std::cin, student_temp.name);
        std::cin >> student_temp.age >> std::ws;
        std::cin >> student_temp.gender >> std::ws;
        std::cin >> student_temp.gpa >> std::ws;

        *(students + i) = student_temp;
    }

    printf("%-3s %-10s %-3s %-6s %-3s\n", "ID", "Name", "Age", "Gender", "GPA");
    for(int i = 0; i < student_total; i++)
    {
        printf("%-03d %-10s %-3d %-6c %-3.1f\n", (students + i)->id, (&(students + i)->name)->c_str(), (students + i)->age, (students + i)->gender, (students + i)->gpa);
    }

    free(students);
}