students_marks-ext.c

// aHR0cHM6Ly9naXRodWIuY29tL3dlYmd0eAo= 
#include <stdbool.h>
#include <stdio.h>

void lnrd(char * str) {
  int idx = 0;
  while (true) {
    char ch = getchar();
    if (ch == '\n') 
      break;
    str[idx] = ch;
    idx++;
  }
  str[idx++] = '\0';
}

struct student {
  char name[20];
  char surname[20];
  char whoisfather[20];
  int marks[20];
};

struct student new_student() {
  struct student new;
  int marks[20] = {3, 3, 3, 3};
  puts("Write Student Name: ");
  lnrd(new.name);
  puts("Write Student Surname: ");
  lnrd(new.surname);
  puts("Who is student father");
  lnrd(new.whoisfather);
  new.marks[20] = *marks;
  return new;
};

int main() {
  // Marks encode
  // 1 - Bad
  // 2 - Not bad
  // 3 - Good
  struct student students[4] = {
    {"Jhon", "Doe", "Jhonson", {2, 1, 3, 2}},
    {"Jane", "Doe", "Jhonson", {3, 3, 3, 1}},
    {"Bob", "Whitestone", "Willson", {3, 2, 3, 3}}
  };

  struct student elliot = new_student();
  students[4] = elliot;
  printf("\n--- [ Best Students ] ---\n");

  unsigned len = sizeof students / sizeof *students;
  for (unsigned idx = 0; idx < len; idx++) {
    unsigned mark_is_good = 0; 
    for (unsigned counter = 0; counter <= 3; counter++)
      if (students[idx].marks[counter] == 3) mark_is_good++;
    //if (mark_is_good != 3) continue;
    printf("\nName: %s\nSurname: %s\nFather: %s\nMarks: %s\n",
    students[idx].name, students[idx].surname, students[idx].whoisfather, mark_is_good == 3 ? "Great" : "Nothing");
    printf("[ Marks Stats ] ->\n  |- Programming: %i\n  |- Math: %i\n  |- CPU Loigc: %i\n  |- Languages: %i\n",
    students[idx].marks[0], students[idx].marks[1], students[idx].marks[2], students[idx].marks[3]);
  }
}