Hacker Rank C Challenges #001

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Write a function int max_of_four(int a, int b, int c, int d) 
which reads four arguments and returns the greatest of them.

here is the code I programmed

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

/*
Add `int max_of_four(int a, int b, int c, int d)` here.
*/
int max_of_four(int a ,int b ,int c,int d){
    int max=0;
    int i;
    for (i=1 ; i<4 ; i++){
        if (max < a) {
            max = a;
        }
        if (max < b) {
            max = b;
        }
        if (max < c) {
            max = c;
        }
        if (max < d) {
            max = d;
        }    
    }
    return max;
    
}
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;
}



for further details :-

For Loop

When you know exactly how many times you want to loop through a block of code,
use the for loop instead of a while loop:     Syntax         for (statement 1; statement 2; statement 3) {          // code block to be executed         }


ex :
        
int i, j;

// Outer loop
for (i = 1; i <= 2; ++i) {
  printf("Outer: %d\n", i);  // Executes 2 times

  // Inner loop
  for (j = 1; j <= 3; ++j) {
    printf(" Inner: %d\n", j);  // Executes 6 times (2 * 3)
  }
}




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