Submission #1695596

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
#define FOR(i,a,b) for(int i=a;i<b;i++)
#define rep(i,b) FOR(i,0,b)
#define INF mugen
#define dump(x) cerr<<#x<<"="<<x<<endl
#define all(a) (a).begin(),(a).end()
typedef vector<int> V;
typedef vector<V> VV;
typedef vector<VV> VVV;
template <class T> void chmin(T & a, T const & b) { if (b < a) a = b; }

using ll = long long;
const ll mod = LLONG_MAX;

#define int long long
int X[100010];
int ans;
signed main(){
  int N;
  int A,B;


  cin>>N>>A>>B;

  rep(i,N){
    cin>>X[i];
  }
  rep(i,N-1){
    ans+=min((X[i+1]-X[i])*A,B);
  }
  cout<<ans<<endl;


}

Submission Info

Judge Result