NF05 TD01

#include <stdio.h>
#define PI 3.1416

void exo3()
{
    int int_size = sizeof(int);
    int short_size = sizeof(short);
    int char_size = sizeof(char);
    int float_size = sizeof(float);
    int double_size = sizeof(double);

    printf("int: %d\nshort: %d\nchar: %d\nfloat: %d\ndouble: %d\n",
           int_size, short_size, char_size, float_size, double_size);
}

void exo4_1()
{
    int a,b;
    printf("Entrer a puis b deux entiers.\n");
    scanf("%d", &a);
    scanf("%d", &b);

    float quotient = a/b;

    printf("a+b=%d\n", a+b);
    printf("a-b=%d\n", a-b);
    printf("a*b=%d\n", a*b);
    printf("a/b=%.0f\n", quotient);
    printf("a%b=%d", a%b);
}

void exo4_2()
{
    float a,b;
    printf("Entrer les valeurs a et b a permuter.\n");
    scanf(" %f", &a);
    scanf(" %f", &b);

    float temp = a;

    a = b;
    b = temp;


    char c, d;
    printf("Entrer les deux caracteres a permuter.\n");
    getchar();
    c = getchar();
    printf("so c=%c\n", c);
    getchar();
    d = getchar();
    printf("so d=%c\n", d);

    char temp2 = c;

    c = d;
    d = temp2;

    printf("a=%f, b=%f, c=%c, d=%c", a, b, c, d);
}

void exo4_3()
{
    char a, b;

    printf("Entrer deux caracteres.\n");
    a = getchar();
    getchar();
    b = getchar();

    char c = a - b;
    char d = a + b;

    printf("a - b = %c", c); //Affiche résultat de la soustraction de la valeur ASCII des caracteres
    printf("a + b = %c", d); //Affiche résultat de l'addition de la valeur ASCII des caractères
}

void exo4_4()
{
    float a, b;
    printf("Entrer deux valeurs reelles.\n");

    scanf("%f", &a);
    scanf("%f", &b);

    float max = a>=b ? a : b;
    float min = a<b ? a : b;

    printf("max:%f\nmin:%f", max, min);
}

void exo5()
{
    int b, h;
    printf("Entrer la longueur de la base, puis de la hauteur.\n");
    scanf("%d", &b);
    scanf("%d", &h);

    float a = (float)1/2* b * h;

    printf("A = %.2f", a);
}

void exo6()
{
    printf("PI = %f\n", PI);

    int r, h;

    printf("Entrer le rayon puis la hauteur.\n");
    scanf("%d", &r);
    scanf("%d", &h);

    float b = (float)PI * r * r;

    float v = (float)1/3 * b * h;

    printf("V = %.2f", v);
}

int main()
{
    exo6();

    return 0;
}