Submission #1868033

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ull = unsigned long long;

int main(){
  int n;
  ll a, b;
  cin >> n >> a >> b;
  ll X[n];
  for(int i=0;i<n;i++){
    cin >> X[i];
  }
  ll ans=0;
  for(int i=0;i<n-1;i++){
    ll tmp=(X[i+1]-X[i])*a;
    if (tmp<b){
      ans+=tmp;
    }else{
      ans+=b;
    }
  }
  cout << ans << endl;
  return 0;
}

Submission Info

Judge Result