Отредактировать код что бы не было MMMMMMMMM в строках.
c++

#include
#include
#include
#include
#include
#define m 5
#define n 2
using namespace std;
struct Fio
{
char fam[100];
char name[100];
char otchestvo[100];
};
struct Birthday
{
int day;
int mounth;
int year;
};
struct Address
{
char street[100];
char house[100];
int apart;
};
struct Mark
{
char object[100];
int grade;
};
struct STUDENT
{
Fio f;
Birthday b;
Address a;
char number[10];
char facul[100];
char group[100];
int course;
Mark M[5];
};
int main(void)
{
setlocale(LC_ALL, "rus");
/*№1*/
cout << " ---Задание №1---" << endl << " [Ввод с клавиатуры данных в массив, состоящий из 10 структур типа STUDENT]" << endl;
STUDENT s[2];
for (int i = 0; i < n; i++)
{
cout << "Familiya: "; cin >> s[i].f.name;
cout << "Name: "; cin >> s[i].f.name;
cout << "Otchestvo: "; cin >> s[i].f.otchestvo;
cout << "Day: "; cin >> s[i].b.day;
cout << "Mounth: "; cin >> s[i].b.mounth;
cout << "Year: "; cin >> s[i].b.year;
cout << "Street: "; cin >> s[i].a.street;
cout << "House: "; cin >> s[i].a.house;
cout << "Apartment: "; cin >> s[i].a.apart;
cout << "Phone Number: "; cin >> s[i].number;
cout << "Faculty: "; cin >> s[i].facul;
cout << "Group: "; cin >> s[i].group;
cout << "Course: "; cin >> s[i].course;
cout << endl;
cout << "Mark:" << endl;
for (int j = 0; j < m; j++)
{
cout << "Object: "; cin >> s[i].M[j].object;
cout << "Grade: "; cin >> s[i].M[j].grade;
}
cout << endl;
}
cout << endl;

/*№2*/
cout << " ---Задание №2---" << endl << " [Вывод на экран данных из массива типа STUDENT]" << endl;
for (int i = 0; i < n; i++)
{
cout << "1) FIO:";
cout << s[i].f.fam << " " << s[i].f.name << " " << s[i].f.otchestvo << endl;
cout << "2) Birthday:";
cout << s[i].b.day << "." << s[i].b.mounth << "." << s[i].b.year << endl;
cout << "3) Adress";
cout << s[i].a.street << "," << s[i].a.house << "," << s[i].a.apart << endl;
cout << "4) Telephone Number:";
cout << s[i].number << endl;
cout << "5) Faculty" << " ";
cout << s[i].facul << "," << s[i].course << "," << s[i].group << endl;
cout << "6) Mark:" << endl;
for (int j = 0; j < 5; j++)
{
cout << s[i].M[j].object << " : ";
cout << s[i].M[j].grade << endl;
}
}
cout << endl;

Ответ:

// delete.cpp: определяет точку входа для консольного приложения.

//

#include "stdafx.h"

#include <iostream>

#include <conio.h>

#define m 5

#define n 2

using namespace std;

struct Fio

{

char fam[100];

char name[100];

char otchestvo[100];

};

struct Birthday

{

int day;

int mounth;

int year;

};

struct Address

{

char street[100];

char house[100];

int apart;

};

struct Mark

{

char object[100];

int grade;

};

struct STUDENT

{

Fio f;

Birthday b;

Address a;

char number[10];

char facul[100];

char group[100];

int course;

Mark M[5];

};

int main(void)

{

setlocale(LC_ALL, "rus");

/*№1*/

cout << " ---Задание №1---" << endl << " [Ввод с клавиатуры данных в массив, состоящий из 10 структур типа STUDENT]" << endl;

STUDENT s[2];

for (int i = 0; i < n; i++)

{

 cout << "Familiya: ";  cin >> s[i].f.fam;

 cout << "Name: ";   cin >> s[i].f.name;

 cout << "Otchestvo: ";  cin >> s[i].f.otchestvo;

 cout << "Day: ";   cin >> s[i].b.day;

 cout << "Mounth: ";   cin >> s[i].b.mounth;

 cout << "Year: ";   cin >> s[i].b.year;

 cout << "Street: ";   cin >> s[i].a.street;

 cout << "House: ";   cin >> s[i].a.house;

 cout << "Apartment: ";  cin >> s[i].a.apart;

 cout << "Phone Number: "; cin >> s[i].number;

 cout << "Faculty: ";  cin >> s[i].facul;

 cout << "Group: ";   cin >> s[i].group;

 cout << "Course: ";   cin >> s[i].course;

 cout << endl;

 cout << "Mark:" << endl;

 for (int j = 0; j < m; j++)

 {

  cout << "Object: ";  cin >> s[i].M[j].object;

  cout << "Grade: ";  cin >> s[i].M[j].grade;

 }

 cout << endl;

}

cout << endl;

/*№2*/

cout << " ---Задание №2---" << endl << " [Вывод на экран данных из массива типа STUDENT]" << endl;

for (int i = 0; i < n; i++)

{

 cout << "1) FIO:";

 cout << s[i].f.fam << " " << s[i].f.name << " " << s[i].f.otchestvo << endl;

 cout << "2) Birthday:";

 cout << s[i].b.day << "." << s[i].b.mounth << "." << s[i].b.year << endl;

 cout << "3) Adress";

 cout << s[i].a.street << "," << s[i].a.house << "," << s[i].a.apart << endl;

 cout << "4) Telephone Number:";

 cout << s[i].number << endl;

 cout << "5) Faculty" << " ";

 cout << s[i].facul << "," << s[i].course << "," << s[i].group << endl;

 cout << "6) Mark:" << endl;

 for (int j = 0; j < m; j++)

 {

  cout << s[i].M[j].object << " : ";

  cout << s[i].M[j].grade << endl;

 }

}

_getch();

}

Объяснение:

cout << "Familiya: "; cin >> s[i].f.name;

cout << "Name: "; cin >> s[i].f.name;

s[i].f.fam выводило мусор, т.к. ты ничего не записал

Пример вывода в приложенном файле