Submission #489059

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
489059	2021-11-21 06:11:46	Wayne_Yan	Newspapers (CEOI21_newspapers)	C++17	100 / 100	194 ms	8112 KiB

newspapers

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#include <bits/extc++.h>
using namespace std;
using namespace __gnu_pbds;
typedef int64_t ll;
typedef long double ld;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define pb emplace_back
#define mp make_pair
#define mt make_tuple
#define pii pair<int,int>
#define F(n) Fi(i,n)
#define Fi(i,n) Fl(i,0,n)
#define Fl(i,l,n) for(int i=l;i<n;i++)
#define RF(n) RFi(i,n)
#define RFi(i,n) RFl(i,0,n)
#define RFl(i,l,n) for(int i=n-1;i>=l;i--)
#define all(v) begin(v),end(v)
#define siz(v) (ll(v.size()))
#define get_pos(v,x) (lower_bound(all(v),x)-begin(v))
#define sort_uni(v) sort(begin(v),end(v)),v.erase(unique(begin(v),end(v)),end(v))
#define mem(v,x) memset(v,x,sizeof v)
#define ff first
#define ss second
#define mid ((l+r)>>1)
#define RAN(a,b) uniform_int_distribution<int> (a, b)(rng)
/*
   bool chain = true;
   Fl(i, 1, n+1){
   if(edges[i].size() > 2){
 
 
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• Subtask 1: 12 / 12
• Subtask 2: 8 / 8
• Subtask 3: 80 / 80