#include <stdio.h>
#include <math.h>
struct complexs { // complex зарезервированное слово
    double real;
    double image;
};
complexs mascomplex[3] = {{ 1.5, 2.9 },{0.8, 5.1},{0, 0}}; // нет типа
struct stock_info
    {
        char Name[30];
        char LetterGroup[3];
        int Group;
        float Stipendia;
        char Poyasnenie[20];
    };
stock_info MasStud[5] = { {"Владислав Егоров", "N", 3147, 5, "Одногруппник"}, // нет типа
                {"Эрик Мулькаманов", "Э", 118, 2400, "Друг"},
                {"Вера Алексеева", " k", 104, 1621, "Подруга"},
                {"Роман Макотовчук", " k", 10, 1800, "Друг"},
                {"Евгений Смирнов", " l", 22107, 3880, "Друг"}
};
int main()
{
    printf("\nComplex \n");

        mascomplex[2].real = mascomplex[0].real + mascomplex[1].real;
        mascomplex[2].image = mascomplex[0].image + mascomplex[1].image;
        printf("Sum: %.1lf + i * %.1lf \n", mascomplex[2].real, mascomplex[2].image);
        mascomplex[2].real = mascomplex[0].real - mascomplex[1].real;
        mascomplex[2].image = mascomplex[0].image - mascomplex[1].image;
        printf("Dif: %.1lf + i * %.1lf \n", mascomplex[2].real, mascomplex[2].image);
        mascomplex[2].real = mascomplex[0].real * mascomplex[1].real - mascomplex[0].image * mascomplex[1].image;
        mascomplex[2].image = mascomplex[0].real * mascomplex[1].image + mascomplex[1].real *mascomplex[0].image;
        printf("Product: %.1lf + i * %.1lf \n", mascomplex[2].real, mascomplex[2].image);
        mascomplex[2].real = (mascomplex[0].real * mascomplex[1].real + mascomplex[0].image * mascomplex[1].image) / (mascomplex[1].real * mascomplex[1].real + mascomplex[1].image * mascomplex[1].image);
        mascomplex[2].real = mascomplex[0].real * mascomplex[1].image - mascomplex[0].real * mascomplex[1].image;
        printf("Quotient: %.3lf + i * %.3lf \n", mascomplex[2].real, mascomplex[2].image);
        for (int i = 0; i < 5; i++) {
            printf("Имя: %s \n", MasStud[i].Name);
        }
        for (int i = 0; i < 5; i++) {
            printf("Литер группы: %s \n", MasStud[i].LetterGroup);
        }
        for (int i = 0; i < 5; i++) {
            printf( "Группа: %s%d \n", MasStud[i].Group);
        }
        for (int i = 0; i < 5; i++) {
            printf("Стипендия: %d \n", MasStud[i].Stipendia);
        }
        for (int i = 0; i < 5; i++) {
            printf("Кто: %s \n", MasStud[i].Poyasnenie);
        }
        int A = 0xABC1B2E3;
        printf("%X \n", A);
        int *pA = &A;
        unsigned short B = *((short*)pA);
        unsigned short C = *((short*)pA+1);
        *((short*)pA) = C;
        *((short*)pA + 1) = B;
        printf("%X ", A);
        return 0;
}