Hacker Rank solution for Preprocessor Solution In C++

Asked: Anonymously | Category: C++

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#define toStr(x) #x

#define io(v) cin >> v

#define INF 100000000

#define foreach(v, i) for(int i = 0; i < v.size(); i++)

#define FUNCTION(name, op) void name(int& a, int b) { if (b op a) a = b; }

#include <iostream>

#include <vector>

using namespace std;

#if !defined toStr || !defined io || !defined FUNCTION || !defined INF

#error Missing preprocessor definitions

#endif 

FUNCTION(minimum, <)

FUNCTION(maximum, >)

int main(){

 int n; cin >> n;

 vector<int> v(n);

 foreach(v, i) {

  io(v)[i];

 }

 int mn = INF;

 int mx = -INF;

 foreach(v, i) {

  minimum(mn, v[i]);

  maximum(mx, v[i]);

 }

 int ans = mx - mn;

 cout << toStr(Result =) <<' '<< ans;

 return 0;

}