Submission #316042

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
316042	2020-10-24 22:30:22	jungsnow	Trampoline (info1cup20_trampoline)	C++14	100 / 100	874 ms	62244 KiB

trampoline

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#include<bits/stdc++.h>
#define x first
#define y second
using namespace std;
typedef pair<int, int> ii;
typedef pair<ii, int> iii;
const int N = 200100;
const int oo = 2e9;
int n, t, nxt[N][22];
map<int, set<ii>> mp;
vector<ii> v, u;
vector<iii> gr;
ii q[N];
bool proc(int u, int v, int x, int y) {
  if (u > x) return 0;
  if (v > y) return 0;
  if (u == x) return 1;
  
  int len = (x - u - 1);
  if (!mp.count(u)) return 0;
  auto it = mp[u].lower_bound(ii(v, -1));
  if (it == mp[u].end()) return 0;
  int cur = it->y;
  for (int i = 21; i >= 0; --i) if (len >> i & 1) {
    cur = nxt[cur][i];
 
 
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• Subtask 2: 20 / 20
• Subtask 3: 11 / 11
• Subtask 4: 19 / 19
• Subtask 5: 27 / 27