Submission #1987142

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Source Code Expand

#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
typedef long long ll;
int main(void) {
  int n, a, b;
  cin >> n >> a >> b;
  vector<int> x(n);
  cin >> x[0];
  ll ans = 0;
  for (int i = 1; i < n; i++) {
    cin >> x[i];
    ans += 1LL * min((x[i] - x[i - 1]) * a, b);
  }
  cout << ans << endl;
  return 0;
}

Submission Info

Judge Result