Submission #313772

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
313772	2020-10-17 04:16:15	limabeans	Examination (JOI19_examination)	C++17	100 / 100	2504 ms	157808 KiB

examination

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#include <bits/stdc++.h>
using namespace std;
template<typename T>
void out(T x) { cout << x << endl; exit(0); }
#define watch(x) cout << (#x) << " is " << (x) << endl
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
template<typename T>
using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
//*find_by_order: iterator to kth elem (0-indexed)
//order_of_key: # of items < k (stictly less)
using ll = long long;
const int maxn = 1e5 + 10;
int n, q;
ordered_set<pair<int,int>> t[4*maxn];
vector<pair<int,int>> vx, vy;
vector<array<int, 4>> Q;
int cc = 0;
 
 
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• Subtask 2: 20 / 20
• Subtask 3: 21 / 21
• Subtask 4: 57 / 57