제출 #1045743

#제출 시각아이디문제언어결과실행 시간메모리
1045743dimasnbayuSafety (NOI18_safety)C++14
0 / 100
47 ms2080 KiB
#include<bits/stdc++.h>
using namespace std;
int main(){
    int n,m,ans=0; cin>>n>>m;
    int arr[n+1];
    for(int i=1;i<=n;i++) cin>>arr[i];
    for(int i=1;i<n;i++){
        if(abs(arr[i]-arr[i+1])>m){
            ans+=(abs(arr[i]-arr[i+1])-m);
            if(arr[i]>arr[i+1]) arr[i+1]+=(abs(arr[i]-arr[i+1])-m);
            else arr[i+1]-=(abs(arr[i]-arr[i+1])-m);
        }
    }
    cout<<ans;
}
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