C dilinde örnek soruda yardım beyler

#include <iostream>  
   
  using namespace std; 
   
  int main (void)  
  {  
   
  int sayi = 50,enyakin=50; 
  int sayilar[5] = {10,20,47,40,-5}; 
   
  for(int i = 0;i < 5;i++) 
  	{ 
  		/* 
  		50-10 = 40 
  		50-20 = 30 
  		50-47 = 3 
  		50-40 = 10 
  		50-(-5)= 55 
  		*/	 
  		int tutulan = sayi-(sayilar[i]); 
  		 
  		if(tutulan < enyakin) 
  		enyakin=tutulan; 
  	} 
  	enyakin = sayi-enyakin; 
  	cout << enyakin; 
  	system("pause"); 
  	return 0; 
  }