Submission #537273

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
537273	2022-03-14 21:15:56	KiriLL1ca	Railway (BOI17_railway)	C++14	100 / 100	248 ms	33004 KiB

railway

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#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define fr first
#define sc second
//#define endl '\n'
#define pb push_back
#define sz(x) (int)((x).size())
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define pw(x) (1ll << x)
#pragma GCC optimize ("-O3")
#pragma GCC optimize ("unroll-loops")
using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef unsigned long long ull;
typedef pair <int, int> pii;
typedef long double ld;
template <typename T> inline bool umax (T &a, const T &b) { return (a < b ? a = b, 1 : 0); }
template <typename T> inline bool umin (T &a, const T &b) { return (a > b ? a = b, 1 : 0); }
template <typename T>
using oset = tree<T, null_type, less <T>, rb_tree_tag, tree_order_statistics_node_update>;
auto rng = bind(uniform_int_distribution<int>(1, 1e9), mt19937(1337));
 
 
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• Subtask 1: 8 / 8
• Subtask 2: 15 / 15
• Subtask 3: 7 / 7
• Subtask 4: 29 / 29
• Subtask 5: 16 / 16
• Subtask 6: 25 / 25