# | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
---|---|---|---|---|---|---|---|
103416 | nikolapesic2802 | Safety (NOI18_safety) | C++14 | 48 ms | 3304 KiB |
이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/rope>
#define ll long long
#define pb push_back
#define sz(x) (int)(x).size()
#define mp make_pair
#define f first
#define s second
#define all(x) x.begin(), x.end()
#define D(x) cerr << #x << " is " << (x) << "\n";
using namespace std;
using namespace __gnu_pbds;
using namespace __gnu_cxx;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
template<class T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag,tree_order_statistics_node_update>; ///find_by_order(),order_of_key()
template<class T1, class T2> ostream& operator<<(ostream& os, const pair<T1,T2>& a) { os << '{' << a.f << ", " << a.s << '}'; return os; }
template<class T> ostream& operator<<(ostream& os, const vector<T>& a){os << '{';for(int i=0;i<sz(a);i++){if(i>0&&i<sz(a))os << ", ";os << a[i];}os<<'}';return os;}
template<class T> ostream& operator<<(ostream& os, const set<T>& a) {os << '{';int i=0;for(auto p:a){if(i>0&&i<sz(a))os << ", ";os << p;i++;}os << '}';return os;}
template<class T> ostream& operator<<(ostream& os, const multiset<T>& a) {os << '{';int i=0;for(auto p:a){if(i>0&&i<sz(a))os << ", ";os << p;i++;}os << '}';return os;}
template<class T1,class T2> ostream& operator<<(ostream& os, const map<T1,T2>& a) {os << '{';int i=0;for(auto p:a){if(i>0&&i<sz(a))os << ", ";os << p;i++;}os << '}';return os;}
int main()
{
priority_queue<ll> lefts;
priority_queue<ll,vector<ll>,greater<ll> > rights;
int n,h;
scanf("%i %i",&n,&h);
int x;
scanf("%i",&x);
lefts.push(x);
rights.push(x);
ll sol=0;
for(int i=1;i<n;i++)
{
int x;
scanf("%i",&x);
ll shift=(ll)i*h;
ll left_border=lefts.top()-shift;
ll right_border=rights.top()+shift;
if(x<left_border)
{
lefts.push(x+shift);
lefts.push(x+shift);
lefts.pop();
//rights.push(left_border-shift);
sol+=abs(left_border-x);
continue;
}
if(x>right_border)
{
rights.push(x-shift);
rights.push(x-shift);
rights.pop();
lefts.push(right_border+shift);
sol+=abs(right_border-x);
continue;
}
lefts.push(x+shift);
rights.push(x-shift);
}
printf("%lld\n",sol);
return 0;
}
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