Submission #1261360

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Source Code Expand

#define _USE_MATH_DEFINES
#include <cstdio>
#include <iostream>
#include <sstream>
#include <fstream>
#include <iomanip>
#include <algorithm>
#include <cmath>
#include <complex>
#include <string>
#include <vector>
#include <list>
#include <queue>
#include <stack>
#include <set>
#include <map>
#include <bitset>
#include <numeric>
#include <limits>
#include <climits>
#include <cfloat>
#include <functional>
#include <iterator>
using namespace std;

int main()
{
    int n;
    long long a, b;
    cin >> n >> a >> b;
    vector<long long> x(n);
    for(int i=0; i<n; ++i)
        cin >> x[i];

    long long ans = 0;
    for(int i=0; i<n-1; ++i){
        long long dx = x[i+1] - x[i];
        ans += min(dx * a, b);
    }
    cout << ans << endl;

    return 0;
}

Submission Info

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