Problem Statement 

Functions are a bunch of statements glued together. A function is provided with zero or more arguments, and it executes the statements on it. Based on the return type, it either returns nothing (void) or something.

The syntax for a function is

return_type function_name(arg_type_1 arg_1, arg_type_2 arg_2, ...) {
    ...
    ...
    ...
    [if return_type is non void]
        return something of type `return_type`;
}

For example, a function to return the sum of four parameters can be written as

int sum_of_four(int a, int b, int c, int d) {
    int sum = 0;
    sum += a;
    sum += b;
    sum += c;
    sum += d;
    return sum;
}

Write a function int max_of_four(int a, int b, int c, int d) which returns the maximum of the four arguments it receives.

+= : Add and assignment operator. It adds the right operand to the left operand and assigns the result to the left operand.
a += b is equivalent to a = a + b;

Input Format

Input will contain four integers -  , one per line.

Output Format

Return the greatest of the four integers.
PS: I/O will be automatically handled.

Sample Input

3
4
6
5

Sample Output

6
Solution Program
[C++]

#include <iostream>
#include <cstdio>
using namespace std;


int max_of_four(int a, int b, int c, int d)
{
    int great;
   if(a>b && a>c && a>d)
   
   {
      great= a;
   }
   
   if(b>a && b>c && b>d)
   {
       great= b;
   }
   if(c>a && c>b && c>d)
   {
       great=  c;
   }
   if(d>a && d>b && d>c)
   {
       great= d;
   }
   return great;
  
       
   
   
}



int main() 
{
    int a, b, c, d;
    scanf("%d %d %d %d", &a, &b, &c, &d);
    int ans = max_of_four(a, b, c, d);
    printf("%d", ans);
    
    return 0;
}


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