Submission #1041588

#	Time	Username	Problem	Language	Result	Execution time	Memory
1041588		vjudge1	Tenis (COI19_tenis)	C++17	30 / 100	188 ms	12276 KiB

tenis

#warning Check FastIO
#ifdef ONLINE_JUDGE
    #pragma GCC optimize("Ofast")
    #pragma GCC target("avx,avx2,fma")
#endif
#include <iostream>
#include <algorithm>
#include <climits>
#include <queue>
#include <cmath>
#include <map>
#include <set>
#include <random>
#include <chrono>
#include <iomanip>
#include <vector>
#include <fstream>
using namespace std;
#define vll vector<ll>
#define sll set<ll>
#define vstr vector<string>
#define ll long long
#define ld long double
#define supra main
#define pb push_back
#define add insert
#define rall(x) rbegin(x),rend(x)
#define all(x) (x).begin(),(x).end()
#define I ios_base::sync_with_stdio(false);
#define Hear cin.tie(NULL);
#define Shots cout.tie(NULL);
#define Ratatatata
#define bits_on(a) (__builtin_popcountll(a))
#define mx_pw2(a) (__builtin_ctzll(a))
mt19937 RNG(chrono::steady_clock::now().time_since_epoch().count());  
#define SHUFFLE(v) shuffle(all(v), RNG); 
const ll inf=LLONG_MAX;
void input(vll& a)
{
    for(auto& i:a)
        cin>>i;
}
void pyn(bool a)
{
    cout<<(a?"YES":"NO")<<endl;
}
ll powmod(ll a,ll b,ll modulo)
{
  if(b==0){
    return 1;
  }
  ll temp=powmod(a,b/2,modulo);
  if(b%2==0){
    return (temp*temp)%modulo;
  }
  else{
    return (a*((temp*temp)%modulo))%modulo;
  }
}

bool Prime(ll n){
    for (ll i = 2; i*i <= n; i++)
        if (n % i == 0)
            return false;
    return (n>1);
}
const int N=1e5+10;
ll rank_of[N][3];
bool can_win[N];
void solve()
{
	ll n,q;
	cin>>n>>q;	
	vector<int> p[3];
	for(int j=0;j<3;j++)
	{
		for(int i=0;i<n;i++)
		{
			ll x;
			cin>>x;
			if(i==0)
				can_win[x]=1;
			p[j].push_back(x);
			rank_of[x][j]=n-i;
		}
	}
	for(int it=0;it<53;it++)
	{
		for(int j=0;j<3;j++)
		{
			for(int k=n-2;k>=0;k--)
			{
				can_win[p[j][k]]|=can_win[p[j][k+1]];
			}
		}
	}
	bool change=0;
	while(q--)
	{
		ll type;
		cin>>type;
		if(type==1)
		{
			ll x;
			cin>>x;
			if(!change)
			{
				if(can_win[x])
				{
					cout<<"DA"<<endl;
				}
				else
				{
					cout<<"NE"<<endl;
				}
				continue;
			}
			ll skill[3];
			skill[0]=rank_of[x][0];
			skill[1]=rank_of[x][1];
			skill[2]=rank_of[x][2];
			bool change=1;
			vector<pair<ll,ll>> oth[3];
			int ind[3];
			for(int j=0;j<3;j++)
			{
				ind[j]=0;
				for(int i=1;i<=n;i++)
				{
					oth[j].push_back({rank_of[i][j],i});
				}
				sort(begin(oth[j]),end(oth[j]));
			}
			ll kills=0;
			while(change)
			{
				change=0;
				for(int i=0;i<3;i++)
				{
					if(ind[i]<oth[i].size())
					{
						auto it=oth[i][ind[i]];
						if(it.first<skill[i])
						{
							// We nailed it
							change=1;
							ll mp=it.second;
							kills++;
							skill[0]=max(skill[0],rank_of[mp][0]);
							skill[1]=max(skill[1],rank_of[mp][1]);
							skill[2]=max(skill[2],rank_of[mp][2]);
							ind[i]++;
						}
					}
				}
			}
			// cout<<"Query for "<<kills<<' '<<skill[0]<<' '<<skill[1]<<' '<<skill[2]<<endl;
			if(max({skill[0],skill[1],skill[2]})==n)
			{
				cout<<"DA"<<endl;
			}
			else
			{
				cout<<"NE"<<endl;
			}
		}
		else
		{
			change=1;
			ll tp,x,y;
			cin>>tp>>x>>y;
			tp--;
			swap(rank_of[x][tp],rank_of[y][tp]);
		}
	}
}
int supra(){
    I Hear Shots Ratatatata
    ll tqwertyuiop=1;
    for(int tp=1;tp<=tqwertyuiop;tp++)
    {
        // cout<<"Case #"<<tp<<": ";
        solve();
    }
    return 0;
}
/*
Bro use only in a emergency 
this is kind of hacking
#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")
*/

Compilation message (stderr)

tenis.cpp:1:2: warning: #warning Check FastIO [-Wcpp]
    1 | #warning Check FastIO
      |  ^~~~~~~
tenis.cpp: In function 'void solve()':
tenis.cpp:140:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  140 |      if(ind[i]<oth[i].size())
      |         ~~~~~~^~~~~~~~~~~~~~

• Subtask 1: 7 / 7
• Subtask 2: 11 / 11
• Subtask 3: 12 / 12
• Subtask 4: 0 / 21
• Subtask 5: 0 / 49