Submission #1071405

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Source Code Expand

//ABC 052-D
#define _USE_MATH_DEFINES

#include <iostream>
#include <cmath>
#include <stdlib.h>
#include <algorithm>
#include <cstdio>
#include <vector>
#include <cstring>
#include <numeric>
#include <string>
#include <map>
#include <sstream>
using namespace std;

int main() {
	int Town;
	long  Teleport, Distance[100000], Walk, ans = 0;
	cin >> Town >> Walk >> Teleport >> Distance[0];

	for (int i = 1; i < Town; i++) {
		cin >> Distance[i];
		ans += min(Teleport,Walk*(Distance[i] - Distance[i - 1]));
	}
	cout << ans << endl;
}

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