Submission #318636

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
318636	2020-11-02 14:41:18	MetB	Safety (NOI18_safety)	C++14	100 / 100	123 ms	7164 KiB

safety

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#include <bits/stdc++.h>
 
#define N 2000001
 
using namespace std;
 
typedef unsigned long long ull;
typedef long long ll;
typedef long double ld;
 
const ll INF = 1e18, MOD = 998244353, MOD2 = 1e6 + 3;
ll s, e, h, n, a[N];
priority_queue<ll, vector<ll>> lwing;
priority_queue<ll, vector<ll>, greater<ll>> rwing;
ll solve (string testname) {
  lwing.push (a[0]);
  rwing.push (a[0]);
  ll l = 0, r = 0;
  ll ans = 0;
  for (int i = 1; i < n; i++) {
    l += h, r -= h;
    ll ltop = lwing.top () - l;
    ll rtop = rwing.top () - r;
    if (a[i] < ltop) {
 
 
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