Submission #231393

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
231393	2020-05-13 13:41:05	brcode	Safety (NOI18_safety)	C++14	100 / 100	160 ms	5528 KiB

safety

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#include <iostream>
#include <bits/stdc++.h>
using namespace std;
long long ans;
priority_queue<long long> l;
priority_queue<long long,vector<long long>,greater<long long>> r;
int main(){
    long long n,k;
    cin>>n>>k;
    long long x;
    cin>>x;
    l.push(x);
    r.push(x);
    for(long long i=1;i<n;i++){
        long long x;
        cin>>x;
        long long offset = 1LL*i*(k);
        long long lborder = l.top()-offset;
        long long rborder = r.top()+offset;
        if(x<lborder){
            l.push(x+offset);
            l.push(x+offset);
            l.pop();
            r.push(lborder-offset);
            ans+=abs(lborder-x);
        }else if(x>rborder){
            r.push(x-offset);
            r.push(x-offset);
 
 
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