Submission #2751344

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Source Code Expand

#include <stdio.h>
#include <iostream>
using namespace std;
int main() {
        int n = 0;
        unsigned long long int a, b, x[100000], ans = 0;
        cin >> n >> a >> b;
        for (int i = 0; i < n; i++)
                cin >> x[i];
        for (int i = 0; i < n - 1; i++) {
                if ((x[i + 1] - x[i])*a < b)
                        ans += (x[i + 1] - x[i])*a;
                else
                        ans += b;
        }
        cout << ans << endl;

        return 0;
}

Submission Info

Judge Result