Submission #1231125

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
#define FOR(i,a,b) for(int i=(a);i<(b);i++)
#define REP(i,n) for(int i=0;i<(n);i++)
#define VS vector<string>
#define ll long long int
int main(void) {
    ll n;
    ll a;
    ll b;
    ll ans=0;
    cin >> n >> a >> b;
    ll x[n];
    REP(i,n) {                                                                                       
        cin >> x[i];
    }
    ll dis[n-1];
    REP(i,n-1) {
        dis[i] = x[i+1] - x[i];
    }
    REP(i,n-1) {
        if(dis[i]*a > b) ans += b;
        else ans += a*dis[i];
    }
 
    cout << ans << endl;
}

Submission Info

Judge Result