Submission #1066067

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Source Code Expand

#include <iostream>
using namespace std;

int main(){
	long long n, a, b, now, ans = 0;
	cin >> n >> a >> b >> now;
	n--;
	while(n--){
		int x;
		cin >> x;
		ans += min(a * (x - now), b);
		now = x;
	}
	cout << ans << endl;
}

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