Submission #501325

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
501325	2022-01-02 19:37:56	Arnch	Railway (BOI17_railway)	C++17	100 / 100	154 ms	53232 KiB

railway

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// oooo
/*
 be hengam shena mesle y dasto pa cholofti ~
 bepa to masire dahane koose neyofti ~
 ;Amoo_Hasan;
*/
#include<bits/stdc++.h>
#pragma GCC optimize("O3,no-stack-protector,unroll-loops")
#pragma GCC target("avx2,fma")
using namespace std;
typedef long long ll;
typedef long long ld;
#define fast_io ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define Sz(x) int((x).size())
#define all(x) (x).begin(), (x).end()
const ll inf = 1e18, N = 1e6 + 10, mod = 1e9 + 7, pr = 1000696969, Log = 30;
int h[N];
int st[N];
ll cnt[N];
int u[N], v[N];
int par[N][Log];
int t;
 
 
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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