C Program To Find Area Of Circle

C Program To Find Area Of Circle in C Programming Language ?

C Program To Find Area Of Circle

Solution For C Program To Find Area Of Circle

#include
#include
void main()
{
float radius,area;
clrscr();  // Clear Screen

printf("Enter the radius of Circle : ");
scanf("%d",&radius);

area = 3.14 * radius * radius;

printf("Area of Circle : %f",area);
getch();
}

Output :

Enter the radius of Circle : 2.0
Area of Circle : 6.14

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C Program To Find Area of Right Angled Triangle

How to write to C Program To Find Area of Right Angled Triangle in C Programming Language ?

C Program To Find Area of Right Angled Triangle

Solution For C Program To Find Area of Right Angled Triangle

#include
#include
void main()
{
int base,height;
float area;
clrscr();  // Clear Screen

printf("Enter the base of Right Angle Triangle : ");
scanf("%d",&base);

printf("Enter the height of Right Angle Triangle : ");
scanf("%d",&height);

area = 0.5 * radius * radius;

printf("Area of Right Angle Triangle : %f",area);
getch();
}

Output :

Enter the base of Right Angle Triangle   : 4
Enter the height of Right Angle Triangle : 8
Area of Right Angle Triangle : 16.0

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C Program To Find Area of Square

How to write a C Program To Find Area of Square in C Programming Language ?

C Program To Find Area of Square

Solution For C Program To Find Area of Square:

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

int main()
{
int side;
float area,r_4;

r_4 = sqrt(3) / 4 ;

printf("Enter the Length of Side : ");
scanf("%d",&side);

area = r_4 * side * side ;

printf("Area of Equilateral Triangle : %f",area);
return(0);
}

Output :

Enter the Length of Side : 5
Area of Equilateral Triangle : 10.82

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C Program to Find Area of Scalene Triangle

How to write a C Program to Find Area of Scalene Triangle in C Programming Language ?

C Program to Find Area of Scalene Triangle

Solution For C Program to Find Area of Scalene Triangle:

#include<stdio.h>

int main()
{
int s1,s2,angle;
float area;

printf("nEnter Side1 : ");
scanf("%d",&s1);

printf("nEnter Side2 : ");
scanf("%d",&s2);

printf("nEnter included angle : ");
scanf("%d",&angle);

area = (s1 * s2 * sin((M_PI/180)*angle))/2;

printf("nArea of Scalene Triangle : %f",area);
return(0);
}

Output :

Enter Side1 : 3
Enter Side2 : 4
Enter included angle : 30
Area of Scalene Triangle : 3.000000

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C Program to Find Area and Circumference of Circle

How to write a C Program to Find Area and Circumference of Circle in C Programming Language ?

C Program to Find Area and Circumference of Circle

Solution For 

#include<stdio.h>

int main()
{
int rad;
float PI=3.14,area,ci;

printf("Enter radius of circle: ");
scanf("%d",&rad);

area = PI * rad * rad;
printf("Area of circle : %f ",area);

ci = 2 * PI * rad;
printf("Circumference : %f ",ci);

return(0);
}

Output :

Enter radius of a circle : 1
Area of circle : 3.14
Circumference  : 6.28

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C Program to Convert String to Integer

How to write a C Program to Convert String to Integer in C Programming Language ?

 C Program to Convert String to Integer

Solution For C Program to Convert String to Integer:

#include<stdio.h>
#include<stdlib.h>
void main()
{
int num;

// Variable marks is of Char Type
char marks[3] = "98";

printf("Please Enter Marks : ");
scanf("%s",marks);

num = atoi(marks);

printf("nMarks : %d",num);
}

---

Output :

Please Enter Marks : 76
Marks : 76

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C Program To Find The Square and Cube of Number

How to write a C Program To Find The Square and Cube of Number in C Programming Language ?

C Program To Find The Square and Cube of Number

Solution For C Program To Find The Square and Cube of Number:

#include
#include
void main()
{
                 int no,square,cube;
                clrscr();
                 printf("enter the number ");
                 scanf("%d",&no);
                 square=no*no;
                 cube=no*no*no;
                 printf("the square is=%d",square);
                 printf("the cube is=%d",cube);
                 getch();
}

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C Program For Addition Of Two Numbers

How to write a C Program For Addition Of Two Numbers in C Programming Language ?

C Program For Addition Of Two Numbers

Solution for C Program For Addition Of Two Numbers:

void main()
{
int num1=10,num2=20;
clrscr();
printf("Addition is %d",num1+num2);
getch();
}

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C Program To Take Random Number

How to write a C Program to take a random number in c programming language ?

Prints a random number in the range 0 to 99.

C Program To Take Random Number

Solution:
/*C Program to take random number*/

#include<stdio.h>  

#include<stdlib.h> 

#include<time.h>

/* prints a random number in the range 0 to 99 */

int main(void)

{randomize();

printf(“Random number in the 0-99 range: %d\n”, random (100)); 

return 0;}

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C Program For Checking Arithmetic Expression Using Recursion

How to write a C Program For Checking Arithmetic Expression Using Recursion in C Programming Language ?

Solution:
/*C Program For Checking Arithmetic Expression Using Recursion*/

#include<stdio.h>
#include <conio.h>
#include <ctype.h>
void valid();
main()
{
 //clrscr();
 printf("\nEnter the arithmetic expression: ");
 valid();
 getch();
 }
 void valid()
 {
  char a,b;
  a=getche();
  if (isalpha(a))
  {
   b=getche();
   if (b=='\r')
    printf("valid expression");
   else if (b=='+'||b=='-'||b=='*'||b=='/')
    printf("valid expression");
   else
    printf("invalid expression");
  }
        else printf("invalid");
        }

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C Program To Convert Decimal To Binary Using Recursion

How to write a C Program To Convert Decimal To Binary Using Recursion in C Programming Language ?

Solution:
/*C Program To Convert Decimal To Binary Using Recursion*/

#include <stdio.h>
#include <conio.h>
#include <stdlib.h>
void binary(int);
main()
{
 int dno;
 //clrscr();
 printf("\nEnter the decimal number:");
 scanf("%d",&dno);
 printf("\nBinary equivalent:" );
 binary(dno);
 getch();
 }
void binary(int n)
{
 int q,r;
 if (n==0)
  return;
 r=n%2;
 q=n/2;
 binary(q);
 printf("%d",r);
 }

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C Program To Find Factorial, Triangular, Fibonacci Number

How To write a C Program To Find Factorial, Triangular, Fibonacci Number in C Programming Language ?

Solution:
/*C Program To Find Factorial, Triangular, Fibonacci Number*/

#include <stdio.h>
#include <conio.h>
#include <stdlib.h>
int fact(int);
int triangular(int);
int fibo (int);
void main()
{
 int n,ch,i;
 clrscr();
 printf("Menu\n");
 printf("\n1.Factorial /n2.Triangular Number\n3.Nth term Fibonacci number \n4.Exit");
 printf("\nenter your choice:");
 scanf("%d",&ch);
 switch(ch)
 {
  case 1: printf("\nEnter the Number:");
   scanf("%d",&n);
   printf("factrial of %d=%d",n,fact(n));
   break;
  case 2: printf("\nEnter the Number:");
   scanf("%d",&n);
   printf("triangular number of%d=%d",n,triangular(n));
   break;
  case 3:printf("\nenter the ith term:");
   scanf("%d",&i);
   printf("the %dth term of fibbonaci series is%d ",i,fibo(i));
   break;
  case 4:exit(4);
  break;
   default:printf("invalid choice");
 }
 getch();
 }
int fact (int x)
{
 int p;
 if (x==0)
  return(1);
 p=x*fact(x-1);
 return(p);
 }
int triangular(int x)
{
 int p;
 if (x==0||x==1)
  return(x);
 p=x+triangular(x-1);
 return(p);
 }
int fibo(int i)
{
 int p;
 if (i==0||i==1)
  return(1);
 p=fibo(i-1)+fibo(i-2);
 return(p);
 }

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C Program To Multiply Two Numbers Using Recursion

How to write a C Program To Multiply Two Numbers Using Recursion in C Programming Language ?

Solution:

/*C Program To Multiply Two Numbers Using Recursion*/

#include<stdio.h>
#include <conio.h>
#include <stdlib.h>
int mul(int,int);
void main()
{
 int pro,a,b;
 clrscr();
 printf("enter two no:\n");
 scanf("%d%d",&a,&b);
 printf("product=%d",mul(a,b));
 getch();
 }
int mul(int x,int y)
{
 int p;
 if (y==1)
  return (x);
 p=x+mul(x,y-1);
 return(p);
 }

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C Program To Check The Postfix Expression Using Recursion

How to write a C Program To Check The Postfix Expression Using Recursion in C Programming Language ?

#include<stdio.h>
#include <conio.h>
#include <ctype.h>
void valid();
 main()
{
 //clrscr();
 printf("\nEnter the postfix expression: ");
 valid();
 getch();
 }
 void valid()
 {
  char b;
  b=getche();
  if (isalpha(b))
  {
   b=getche();
   if (b=='\r')
     printf("invalid expression");
   else if (isalpha(b))
   {
    b=getche();
    if (b=='+'||b=='-'||b=='*'||b=='/')
     printf("valid expression");
   }
   else printf("invalid expression");
  }
 }

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C Program To Check The Prefix Expression

How to write a C Program To Check The Prefix Expression in C Programming Language ?

Solution:

#include<stdio.h>
#include <conio.h>
#include <ctype.h>
void valid();
main()
{
 //clrscr();
 printf("\nEnter the prefix expression: ");
 valid();
 getch();
 }
 void valid()
 {
  char b;
  b=getche();
  if (b=='+'||b=='-'||b=='*'||b=='/')
  {
   b=getche();
   if (b=='\r')
       printf("\ninvalid exppression");
   else if (isalpha(b))
    {
      b=getche();
      if(isalpha(b))
      {
      printf("\nvalid expression");
      valid();
      }
      }
   else printf("\ninvalid");
  }
        else printf("\nwainvalid");
        }

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program realizuje sortowanie bąbelkow

program realizuje sortowanie bąbelkow

/* program realizuje sortowanie bąbelkow */

#include <stdio.h> //zmiana z <studio.h>
//#include <bubbles.h> // niepotrzebna biblioteka
#define MAXTAB 99  //zla deklaracja  = 99

int wczytaj_liczbe(int min, int max)
{
int liczba,
wynik;
do
{
fflush(stdin); // czyszczenie niepoprawnego strumienia stdout
fprintf(stdout, "podaj liczbe calkowita z zakresu <%d-%d>?", min, max);
wynik = fscanf(stdin, "%d", &liczba); //zmana z referencji &wynik na liczba, zły strumień
} while (wynik != 1 || liczba > max || liczba < min); // blad logiczny
return liczba;
}
void zamien_jezeli_wieksza(int * tab, int pos_mn, int pos_wk)
{
int tmp;
if (tab[pos_mn] > tab[pos_wk])
{
tmp = tab[pos_mn];
tab[pos_mn] = tab[pos_wk];
tab[pos_wk] = tmp; //poprawiona zamiana zmiennych
}
//tmp = tab[pos_mn]; tab[pos_mn] = tab[pos_wk]; tab[pos_wk] = tab[pos_mn]; // wszystkie powinny być w klamrze
}
int main(int argc, char* argv[])
{
int tablica[MAXTAB];
int ile, i, j;
printf("\n\nJestem program ""sortujacy\n\nile ""liczb chcesz sortowac\n");
ile = wczytaj_liczbe(0, MAXTAB);
for (i = 1; i<=ile; i++) // poprawiony warunek
{
printf("Wczytuje liczbe nr. %d \n", i);
tablica[i-1] = wczytaj_liczbe(0, 999); // poprawiona indeksacja
}
/*for (i = 0; i < ile;i++)
{
printf("\nliczba nr. %d : %d", i + 1, tablica[i]);
}*/
for (i = 0; i < ile;i++)  //; niepotrzebny srednik
for (j = 0; j < (ile - 1); j++) //{ niepotrzebna klamra , oraz warunek petli
zamien_jezeli_wieksza(tablica, j, j+1); //zamiana z i + 1 na j + 1

printf("\nPosortowane:");
for (i = 0; i < ile; i++)
printf("\nliczba nr. %d : %d", i+1 , tablica[i]); //poprawiona indeksacja
return 0;
}

C Program To Print Numbers Upto 5 Using Do-While Loop

How to write a C Program to print numbers upto 5 using do-while loop in C Programming language.

Solution -

/*Progam to print numbers upto 5 using do-while loop*/

#include<stdio.h>
void main()
{
     int num=1;    //initialisation phase
     do
     {
        printf("\t%d",num);
        num=num+1;    //increment phase
     }
     while(num<5);    //condition phase
}

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C Program Test Script For Moonbuggy Motor Control

How to write a C Program Test script for moonbuggy motor control in C Programming Language.

Solution -

/*
 * Test script for moonbuggy motor control
 */

const int throttle = A0;
const int field_PWM_pin = 2;
const int field_phase = 38;
const int arm_PWM_L = 5;
const int arm_PWM_R = 4;
const int phase_switch = 40;
int PHASE = 1;
int sensorValue = 0;
int throttleValue = 0;
int field_PWM = 0;


void setup() {
  pinMode(phase_switch, INPUT); //phase (direction) input
  pinMode(field_phase, OUTPUT); //phase (direction) output
  pinMode(field_PWM, OUTPUT); //field PWM
  pinMode(arm_PWM_L, OUTPUT); //armature PWM left
  pinMode(arm_PWM_R, OUTPUT); //armature PWM right
  delay(1000); //start up delay to allow charge pumps on motor controllers to stabilize
}
void loop() {
  PHASE = digitalRead(phase_switch); //read the phase input switch HIGH for forward and LOW for reverse
  sensorValue = analogRead(throttle); //input of raw throttle value
  throttleValue = map(sensorValue, 180, 818, 0, 255); //map min/max of throttle to 8bit integer

  digitalWrite(field_phase, PHASE); //set PHASE output to field controller
  if (throttleValue < 13){ //introducing a 5% dead zone at the low end of throttle due to unstable analog input
    analogWrite(field_PWM_pin, fiel_PWM); //set field voltage
    analogWrite(arm_PWM_L, throttleValue); //apply armature voltage
    analogWrite(arm_PWM_R, throttleValue); //apply armature voltage
  } else {
    analogWrite(field_PWM_pin, 0); //set field voltage
    analogWrite(arm_PWM_L, 0); //apply armature voltage
    analogWrite(arm_PWM_R, 0); //apply armature voltage
  }

}

C Program Loads a File Into Memory Dynamically allocated on heap and Stores address thereof in *content and length thereof in *length.

How to write a C Program to Loads a file into memory dynamically allocated on heap and Stores address thereof in *content and length thereof in *length in C Programming Language.

Solution -

/**
 * Loads a file into memory dynamically allocated on heap.
 * Stores address thereof in *content and length thereof in *length.
 */

bool load(FILE* file, BYTE** content, size_t* length)
{
    int index = 0;
    BYTE* buffer = malloc(1);
    int status = fread(buffer+index, 1, 1, file);
 
    while(status){
        index++;
        printf("About to ralloc %i\n", index);
        buffer = realloc(buffer, index);
        printf("Yay!\n");
        if(buffer != NULL){
            status = fread(buffer+index, 1, 1, file);
        }
        else{
            *length = 0;
            *content = NULL;
            return false;
        }
    }
    *content = buffer;
    *length = index;
    return true;
}

C Program To Compare Numbers

How to write a C Program To Compare Numbers in C Programming Language ?

Solution -

int compareNumbers(int arr1[], int arr2[])
{
int i = 0, res = 0;
while(i < {ARRAYS_LENGTH} && !res)
{
res = arr1[i] - arr2[i];
i++;
}
return res;
}

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C Program Determines If Any Given Year Is A Leap Year (or aborts.)

How to write a C Program determines if any given year is a leap year (or aborts) in C Programming Language ?

Solution:

/*C Program determines if any given year is a leap year (or aborts.)*/

#include <stdio.h>
#include <stdlib.h>
   #include <assert.h>

   int determineyear (int year);

    int main (int argc, char ** argv) {
      int year = 0;
       printf("Please enter the year that you are interested in.\n");
       scanf("%d", &year);
    determineyear (year);
      return EXIT_SUCCESS;
    }
          int determineyear (int year) {
       assert(year >= 1582);
      if (year%400 == 0) {
         printf ("%d is a leap year!\n", year);
      } else if (year%100 == 0) {
             printf ("%d is not a leap year!\n", year);
      } else if (year%4 == 0) {
          printf ("%d is a leap year!\n", year);
      } else printf ("%d is not a leap year!\n", year);
         return EXIT_SUCCESS;
      }

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C Program MaxHeap and MinHeap

How to write a C Program MaxHeap and MinHeap in C Programming Language ?

Solution:

#include <stdio.h>
#include <stdlib.h>
typedef struct heap {
    int dim;
    int *a;
}heap;
void inizializzaArray (int *a) {
    a[0] = 0;
}
void inizializzaArrayStruct (heap *h) {
    h->dim = 0;
}
void stampArray (int *a) {
    int i, k = 1;
    for (i=1; i<=a[0]; i++) {
        printf("(%d)%d   ", i, a[i]);
        if (i == k) {
            printf("\n");
            k = (i*2)+1;
        }
    }
    printf("\n\n");
}
void stampArrayStruct (heap *h) {
    int i, k = 1;
    for (i=1; i<=h->dim; i++){
        printf("(%d)%d   ", i, h->a[i]);
        if (i == k) {
            printf("\n");
            k = (i*2)+1;
        }
    }
    printf("\n\n");
}
void maxHeapify (int *a) {
    int i;
    for (i = (a[0]+1)/2; i>=1; i--) {
        int c = -1, aux, max = -1, t = i;
        while(t != c){
            c = t;
            max = a[c];
            if (( 2*c < (a[0]+1) ) && (a[c] < a[2*c])){
                t = 2*c;
                max = a[t];
            }
            if (( 2*c+1 < (a[0]+1) ) && (a[2*c + 1] > max))
                t = 2*c + 1;
            if ( c != t ){
                aux = a[c];
                a[c] = a[t];
                a[t] = aux;
            }
        }
    }
    printf("Bilanciamento eseguito con successo\nL'array che mi hai passato ora è un maxHeap!!\n");
}
void maxHeapifyStruct (heap *h) {
    int i;
    for (i = (h->dim+1)/2; i>=1; i--) {
        int c = -1, aux, max = -1, t = i;
        while(t != c){
            c = t;
            max = h->a[c];
            if (( 2*c < (h->dim+1) ) && (h->a[c] < h->a[2*c])){
                t = 2*c;
                max = h->a[t];
            }
            if (( 2*c+1 < (h->dim+1) ) && (h->a[2*c + 1] > max))
                t = 2*c + 1;
            if ( c != t ){
                aux = h->a[c];
                h->a[c] = h->a[t];
                h->a[t] = aux;
            }
        }
    }
    printf("Bilanciamento eseguito con successo\nLa struct che mi hai passato ora è un maxHeap!!\n");
}
void minHeapify (int *a) {
    int i;
    for (i = (a[0]+1)/2; i>=1; i--) {
        int c = -1, aux, max = -1, t = i;
        while(t != c){
            c = t;
            max = a[c];
            if (( 2*c < (a[0]+1) ) && (a[c] > a[2*c])){
                t = 2*c;
                max = a[t];
            }
            if (( 2*c+1 < (a[0]+1) ) && (a[2*c + 1] < max))
                t = 2*c + 1;
            if ( c != t ){
                aux = a[c];
                a[c] = a[t];
                a[t] = aux;
            }
        }
    }
    printf("Bilanciamento eseguito con successo\nL'array che mi hai passato ora è un minHeap!!\n");
}
void minHeapifyStruct (heap *h) {
    int i;
    for (i = (h->dim+1)/2; i>=1; i--) {
        int c = -1, aux, max = -1, t = i;
        while(t != c){
            c = t;
            max = h->a[c];
            if (( 2*c < (h->dim+1) ) && (h->a[c] > h->a[2*c])){
                t = 2*c;
                max = h->a[t];
            }
            if (( 2*c+1 < (h->dim+1) ) && (h->a[2*c + 1] < max))
                t = 2*c + 1;
            if ( c != t ){
                aux = h->a[c];
                h->a[c] = h->a[t];
                h->a[t] = aux;
            }
        }
    }
    printf("Bilanciamento eseguito con successo\nLa struct che mi hai passato ora è un minHeap!!\n");
}
void insertKeyInMaxHeap (int k, int *a) {  
    if (a[0] == 0) {
        a = realloc (a, 2*sizeof(int));
        a[0]++;
        a[a[0]] = k;
        printf("L'array che mi hai passato è vuoto.\nInserisco la radice..\n");
    }    
    else {
        a = realloc (a, (a[0]+2)*sizeof(int));
        a[0]++;
        a[a[0]] = k;
        int temp, i = a[0];
        while (i>1) {
            if (a[i]>a[i/2]) {
                temp = a[i];
                a[i] = a[i/2];
                a[i/2] = temp;
            }
            i /= 2;
        }
    }    
    printf("Inserimento in maxHeap eseguito con successo!\n");
}
void insertKeyInMaxHeapStruct (int k, heap *h) {
    if (h->dim == 0) {
        h->a = malloc (2*sizeof(int));
        h->a[1] = k;
        h->dim++;
        printf("La struct che mi hai passato è vuota.\nInserisco la radice..\n");
    }
    else {
        h->a = realloc (h->a, (h->dim+2)*sizeof(int));
        h->dim++;
        h->a[h->dim] = k;
        int temp, i = h->dim;
        while (i>1) {
            if (h->a[i]>h->a[i/2]) {
                temp = h->a[i];
                h->a[i] = h->a[i/2];
                h->a[i/2] = temp;
            }
            i /= 2;
        }
    }
    printf("Inserimento in maxHeapStruct eseguito con successo!\n");
}
void insertKeyInMinHeap (int k, int *a) {  
    if (a[0] == 0) {
        a = realloc (a, 2*sizeof(int));
        a[0]++;
        a[a[0]] = k;
        printf("L'array che mi hai passato è vuoto.\nInserisco la radice..\n");
    }    
    else {
        a = realloc (a, (a[0]+2)*sizeof(int));
        a[0]++;
        a[a[0]] = k;
        int temp, i = a[0];
        while (i>1) {
            if (a[i]<a[i/2]) {
                temp = a[i];
                a[i] = a[i/2];
                a[i/2] = temp;
            }
            i /= 2;
        }
    }    
    printf("Inserimento in maxHeap eseguito con successo!\n");
}
void insertKeyInMinHeapStruct (int k, heap *h) {
    if (h->dim == 0) {
        h->a = malloc (2*sizeof(int));
        h->a[1] = k;
        h->dim++;
        printf("La struct che mi hai passato è vuota.\nInserisco la radice..\n");
    }
    else {
        h->a = realloc (h->a, (h->dim+2)*sizeof(int));
        h->dim++;
        h->a[h->dim] = k;
        int temp, i = h->dim;
        while (i>1) {
            if (h->a[i]<h->a[i/2]) {
                temp = h->a[i];
                h->a[i] = h->a[i/2];
                h->a[i/2] = temp;
            }
            i /= 2;
        }
    }
    printf("Inserimento in minHeapStruct eseguito con successo!\n");
}
int extractKeyFromMaxHeapAndGetPosition (int k, int *a) {
    if (a[0] != 0) {
        int i, temp;
        _Bool trovato = 0;
        for (i = 1; i<=a[0] && !trovato; i++)
            if (a[i] == k) {
                temp = a[i];
                a[i] = a[a[0]];
                a[a[0]] = temp;
                a[0]--;
                trovato = 1;
                maxHeapify(a);
            }
        if (trovato) {
            printf("L'elemento %d è stato estratto con successo dall'array!!\n", k);
            return i-1;
        }
        printf("L'elemento %d non appartiene all'array!!\n", k);
    }
    else {
        printf("L'array che mi hai passato è vuoto, non posso estrarre!!\n");
        return -1;
    }
}
int extractKeyFromMaxHeapStructAndGetPosition (int k, heap *h) {
    if (h->dim != 0) {
        int i, temp;
        _Bool trovato = 0;
        for (i = 1; i<=h->dim && !trovato; i++)
            if (h->a[i] == k) {
                temp = h->a[i];
                h->a[i] = h->a[h->dim];
                h->a[h->dim] = temp;
                h->dim--;
                trovato = 1;
                maxHeapifyStruct(h);
            }
        if (trovato) {
            printf("L'elemento %d è stato estratto con successo dalla struct!!\n", k);
            return i-1;
        }
        printf("L'elemento %d non appartiene alla struct!!\n", k);
    }
    else {
        printf("La struct che mi hai passato è vuota, non posso estrarre!!\n");
        return -1;
    }
}
int extractKeyFromMinHeapAndGetPosition (int k, int *a) {
    if (a[0] != 0) {
        int i, temp;
        _Bool trovato = 0;
        for (i = 1; i<=a[0] && !trovato; i++)
            if (a[i] == k) {
                temp = a[i];
                a[i] = a[a[0]];
                a[a[0]] = temp;
                a[0]--;
                trovato = 1;
                minHeapify(a);
            }
        if (trovato) {
            printf("L'elemento %d è stato estratto con successo dall'array!!\n", k);
            return i-1;
        }
        printf("L'elemento %d non appartiene all'array!!\n", k);
    }
    else {
        printf("L'array che mi hai passato è vuoto, non posso estrarre!!\n");
        return -1;
    }
}
int extractKeyFromMinHeapStructAndGetPosition (int k, heap *h) {
    if (h->dim != 0) {
        int i, temp;
        _Bool trovato = 0;
        for (i = 1; i<=h->dim && !trovato; i++)
            if (h->a[i] == k) {
                temp = h->a[i];
                h->a[i] = h->a[h->dim];
                h->a[h->dim] = temp;
                h->dim--;
                trovato = 1;
                minHeapifyStruct(h);
            }
        if (trovato) {
            printf("L'elemento %d è stato estratto con successo dalla struct!!\n", k);
            return i-1;
        }
        printf("L'elemento %d non appartiene alla struct!!\n", k);
    }
    else {
        printf("La struct che mi hai passato è vuota, non posso estrarre!!\n");
        return -1;
    }
}
int main(int argc, char** argv) {
 
    int *a = malloc(1*sizeof(int));
    inizializzaArray(a);
 
    insertKeyInMaxHeap(20, a);
    insertKeyInMaxHeap(11, a);
    insertKeyInMaxHeap(0, a);
    insertKeyInMaxHeap(320, a);
    insertKeyInMaxHeap(67, a);
    insertKeyInMaxHeap(18, a);
    insertKeyInMaxHeap(45, a);
 
    stampArray(a);
 
    int t = extractKeyFromMaxHeapAndGetPosition(45, a);
 
    stampArray(a);
 
    printf("La posizione di 45 era: %d\n", t);
 
 
 
    heap h;
    inizializzaArrayStruct(&h);
 
    insertKeyInMaxHeapStruct(20, &h);
    insertKeyInMaxHeapStruct(11, &h);
    insertKeyInMaxHeapStruct(0, &h);
    insertKeyInMaxHeapStruct(320, &h);
    insertKeyInMaxHeapStruct(67, &h);
    insertKeyInMaxHeapStruct(18, &h);
    insertKeyInMaxHeapStruct(45, &h);
 
    stampArrayStruct(&h);
 
    int s = extractKeyFromMaxHeapStructAndGetPosition(45, &h);
 
    stampArrayStruct(&h);
 
    printf("La posizione di 45 era: %d\n", s);
 
    return (EXIT_SUCCESS);
}

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