Submission #139365

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
139365	2019-07-31 15:19:14	IOrtroiii	Triple Jump (JOI19_jumps)	C++14	100 / 100	1447 ms	136184 KiB

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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 500500;
const ll inf = 1e18;
struct State {
   ll pref, suf, ans;
   State() : pref(-inf), suf(-inf), ans(-inf) {}
   friend State operator + (const State &l, const State &r) {
      State ans;
      ans.pref = max(l.pref, r.pref);
      ans.suf = max(l.suf, r.suf);
      ans.ans = max({l.ans, r.ans, l.pref + r.suf});
      return ans;
   }
};
ll a[N];
State t[N << 2];
ll ans[N];
vector<pair<int, ll>> es[N];
vector<pair<int, int>> qs[N];
void build(int v, int l, int r) {
   if (l == r) {
      t[v].suf = a[l];
      return;
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 14 / 14
• Subtask 3: 27 / 27
• Subtask 4: 54 / 54