Submission #1077828

---

Source Code Expand

#include <iostream>
#include <vector>
#define REP(i, n) for(long long i = 0; i < n; ++i)
#define RANGE(i, x, n) for(long long i = x; i < n; ++i)
using namespace std;

int main()
{
    long long N, A, B;
    cin >> N >> A >> B;
    vector<long long> P(N, 0);
    REP(i, N) {
        cin >> P[i];
    }
    long long ans = 0;
    REP(i, N - 1) {
        ans += min(B, A * (P[i + 1] - P[i]));
    }
    cout << ans << endl;
}

Submission Info

Judge Result