Yanich Tasks

task_1_1.cpp

#include <stdio.h>
#include <math.h>

int main()
{
    float x;
    printf("Please, enter X: ");
    scanf("%f", &x);
    float y = pow((sin(x)+(7/3)),2/3);
    printf("f(%4.2f) = %4.2f\n",x,y);
    return 0;
}

task_1_2.cpp

#include <stdio.h>
#include <math.h>

float mediana(int a, int b, int c) {
    return sqrt(2*pow(a, 2)+2*pow(b, 2)+pow(c, 2))/2;
}

int main()
{
    int a, b, c;
    printf("Please, enter A, B and C with spaces: ");
    scanf("%d %d %d", &a, &b, &c);
    printf("A = %d; B = %d; C = %d\n",a,b,c);
    printf("Midiana to side A equals %4.2f\n",mediana(b,c,a));
    printf("Midiana to side B equals %4.2f\n",mediana(a,c,b));
    printf("Midiana to side C equals %4.2f\n",mediana(a,b,c));
    return 0;
}

task_2_1.cpp

#include <stdio.h>
#include <math.h>

int smallest(int a, int b, int c) {
    /*
     a is small than b and c
     */
    if ((a <= b) && (a <= c)) {
        return 1;
    }
    return 0;
}

int middllest(int a, int b, int c) {
    /*
     b <= a <= c or c <= a <= b
     */
    if (((a >= b) && (a <= c)) || ((a >= c) && (a <= b))) {
        return 1;
    }
    return 0;
}

int biggest(int a, int b, int c) {
    /*
     a is biggest than b and c
     */
    if ((a >= b) && (a >= c)) {
        return 1;
    }
    return 0;
}


int main()
{
    int a, b, c;
    printf("Please, enter A, B and C with spaces: ");
    scanf("%d %d %d", &a, &b, &c);
    printf("A = %d; B = %d; C = %d\n",a,b,c);
    if (smallest(a, b, c)) printf("%d",a); else
    if (smallest(b, a, c)) printf("%d",b); else
    if (smallest(c, b, a)) printf("%d",c);
    
    printf(" <= ");
    
    if (middllest(a, b, c)) printf("%d",a); else
    if (middllest(b, a, c)) printf("%d",b); else
    if (middllest(c, b, a)) printf("%d",c);
    
    printf(" <= ");
    
    if (biggest(a, b, c)) printf("%d",a); else
    if (biggest(b, a, c)) printf("%d",b); else
    if (biggest(c, b, a)) printf("%d",c);
    
    printf("\n");
    return 0;
}

task_2_2.cpp

#include <stdio.h>

int main()
{
    int x;
    printf("Please, enter X: ");
    scanf("%d", &x);
    if (x < 0) {
      printf("%d\n",0);
    } else if (x == 0) {
      printf("%d\n",1);
    } else {
      printf("%d\n",(x*x+1));
    }
    return 0;
}

task_3.cpp

#include <stdio.h>

int main()
{
    for (int a=1; a<10; a++) {
        for (int b=1; b<10; b++) {
            printf("%d\t",a*b);
        }
        printf("\n");
    }
    return 0;
}

task_3_do_while.cpp

#include <stdio.h>

int main()
{
    int a,b;
    a = 1;
    do {
      b = 1;
      do {
        printf("%d\t",a*b);
        b++;
      } while (b < 10) 
      a++;
    } while (a < 10); 
    return 0;
  }

task_3_while.cpp

#include <stdio.h>

int main()
{
    int a,b;
    a = 1;
    while (a < 10) {
      b = 1;
      while (b < 10) {
        printf("%d\t",a*b);
        b++;
      }
      a++;
    }  
    return 0;
  }