C Program To Find Greatest of Three Numbers

// C program to find the greatest among three numbers in C using if Statement

#include <stdio.h> 
int main() 
{ 
    int X, Y, Z;

 //Ask user to input any three integer numbers
    printf("Enter the numbers\n"); 

 //Store input values in variables for comparsion
    scanf("%d %d %d", &X, &Y, &Z); 

   // if X is greater than both Y and Z, X is the Greatest
    if (X >= Y && X>= Z) 
        printf("%d is the Greatest number.", X); 
  
// if Y is greater than both X and Z, Y is the Greatest
    if (Y >= X && Y >= Z) 
        printf("%d is the Greatest number.", Y); 
  
// if Z is greater than both X and Y, Z is the Greatest
    if (Z >= X && Z >= Y) 
        printf("%d is the Greatest number.", Z); 
  
    return 0; 
} 

Enter the numbers
2
80
11
80 is the Greatest number.

// C program to find the greatest among three numbers in C using  if else Ladder

#include <stdio.h>
int main() 
{
    int num1, num2, num3;
    printf("Enter three numbers\n");
    scanf("%d %d %d", &num1, &num2, &num3);

    // if num1 is greater than both num2 and num3, num1 is the Greatest
    if (num1 >= num2 && num1 >= num3)
        printf("%d is the Greatest number.", num1);

    // if num2 is greater than both num1 and num3, num2 is the Greatest
    else if (num2 >= num1 && num2 >= num3)
        printf("%d is the Greatest number.", num2);

    // if both above conditions are false, num3 is the Greatest
    else
        printf("%d is the Greatest number.", num3);

    return 0;
}

Enter three numbers
202
801
114
801 is the Greatest number.

// C program to find the greatest among three numbers in C using Nested if…else

#include <stdio.h> 
int main() 
{ 
    int X, Y, Z; 
  
    printf("Enter three numbers: "); 
    scanf("%d %d %d", &X, &Y, &Z); 
  
    if (X >= Y) { 
        if (X >= Z) 
            printf("%d is the Greatest number.", X); 
        else
            printf("%d is the Greatest number.", Z); 
    } 
    else { 
        if (Y >= Z) 
            printf("%d is the Greatest number.", Y); 
        else
            printf("%d is the Greatest number.", Z); 
    } 
  
    return 0; 
} 

Enter three numbers
12
8
01
12 is the Greatest number.

// C program to find the greatest among three numbers in C using functions
#include <stdio.h>>
int greatest_among_three(int a, int b, int c)
{
 if(a > b && a > c)
      return a;
 else if(b > a && b > c)
       return b;
  else
       return c;
}
int main()
{
  int x,y,z,max;
  printf("\nEnter three numbers : ");
  scanf("%d %d %d",&x,&y,&z);
  max = greatest_among_three(x,y,z);
  printf("\nThe Greatest among the three numbers is %d ", max);
  printf("\n");
  return 0;
}

Enter three numbers :
43
66
21
The Greatest among the three numbers is 66

// C program to find the Greatest numbers in C using the conditional operator
#include <stdio.h>
int main()
{
  int x,y,z,max = 0;
  printf("\nEnter three numbers :");
  scanf("%d %d %d", &x,&y,&z);
 
  max = ((x > y) && (x > z)) ? x : ((y > x) && (y > z)) ? y : z;
  printf("\nThe Greatest among the three numbers is %d", max);

  return 0;
}

Enter three numbers :
32
61
210
The Greatest among the three numbers is 210