Submission #753225

#	Time	Username	Problem	Language	Result	Execution time	Memory
753225		tolbi	Carnival Tickets (IOI20_tickets)	C++17	25 / 100	624 ms	68252 KiB

tickets

#pragma optimize("Bismillahirrahmanirrahim")
//█▀█─█──█──█▀█─█─█
//█▄█─█──█──█▄█─█■█
//█─█─█▄─█▄─█─█─█─█
//Allahuekber
//ahmet23 orz...
//Sani buyuk Osman Pasa Plevneden cikmam diyor.
//FatihSultanMehmedHan
//YavuzSultanSelimHan
//AbdulhamidHan
#define author tolbi
#include <bits/stdc++.h>
using namespace std;
template<typename X, typename Y> istream& operator>>(istream& in, pair<X,Y> &pr) {return in>>pr.first>>pr.second;}
template<typename X, typename Y> ostream& operator<<(ostream& os, pair<X,Y> pr) {return os<<pr.first<<" "<<pr.second;}
template<typename X> istream& operator>>(istream& in, vector<X> &arr) {for(auto &it : arr) in>>it; return in;}
template<typename X> ostream& operator<<(ostream& os, vector<X> arr) {for(auto &it : arr) os<<it<<" "; return os;}
template<typename X, size_t Y> istream& operator>>(istream& in, array<X,Y> &arr) {for(auto &it : arr) in>>it; return in;}
template<typename X, size_t Y> ostream& operator<<(ostream& os, array<X,Y> arr) {for(auto &it : arr) os<<it<<" "; return os;}
#define endl '\n'
#define vint(x) vector<int> x
#define deci(x) int x;cin>>x;
#define decstr(x) string x;cin>>x;
#define cinarr(x) for (auto &it : x) cin>>it;
#define coutarr(x) for (auto &it : x) cout<<it<<" ";cout<<endl;
#define sortarr(x) sort(x.begin(),x.end())
#define sortrarr(x) sort(x.rbegin(),x.rend())
#define det(x) cout<<"NO\0YES"+x*3<<endl;
#define INF LONG_LONG_MAX
#define rev(x) reverse(x.begin(),x.end());
#define ios ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define tol(bi) (1LL<<((int)(bi)))
const int MOD = 1e9+7;
mt19937 ayahya(chrono::high_resolution_clock().now().time_since_epoch().count());
#include "tickets.h"

long long find_maximum(int32_t k, vector<vector<int32_t>> x) {
	if (x[0].size()!=1){
		int n = x.size();
		int m = x[0].size();
		vector<vector<int32_t>> rval(n,vector<int32_t>(m,-1));
		vector<vector<int>> ones(n);
		vector<vector<int>> zeros(n);
		for (int i = 0; i < n; ++i)
		{
			for (int j = 0; j < m; j++){
				if (x[i][j]==0) zeros[i].push_back(j);
				else ones[i].push_back(j);
			}
		}
		int tur = 0;
		int ans = 0;
		while (tur<k){
			int zor = n/2;
			bool ist = n%2;
			priority_queue<pair<int,int>> pq;
			for (int i = 0; i < n; ++i)
			{
				pq.push({ones[i].size()-zeros[i].size(),i});
			}
			int a = 0;
			int b = 0;
			while (pq.size()){
				int node = pq.top().second;
				pq.pop();
				if (zor>0){
					zor--;
					if (ones[node].size()){
						a++;
						rval[node][ones[node].back()]=tur;
						ones[node].pop_back();
					}
					else {
						b++;
						rval[node][zeros[node].back()]=tur;
						zeros[node].pop_back();
					}
				}
				else if (ist){
					ist = false;
					if (ones[node].size()>=zeros[node].size()){
						a++;
						rval[node][ones[node].back()]=tur;
						ones[node].pop_back();
					}
					else {
						b++;
						rval[node][zeros[node].back()]=tur;
						zeros[node].pop_back();
					}
				}
				else {
					if (zeros[node].size()){
						b++;
						rval[node][zeros[node].back()]=tur;
						zeros[node].pop_back();
					}
					else {
						a++;
						rval[node][ones[node].back()]=tur;
						ones[node].pop_back();
					}
				}
			}
			ans+=min(a,b);
			tur++;
		}
		allocate_tickets(rval);
		return ans;
	}
	else {
		int32_t n = x.size();
		int32_t m = x[0].size();
		vector<vector<int32_t>> answer;
		for (int32_t i = 0; i < n; i++) {
			vector<int32_t> row(m);
			for (int32_t j = 0; j < m; j++) {
				if (j < k) {
					row[j] = j;
				} else {
					row[j] = -1;
				}
			}
			answer.push_back(row);
		}
		for (int i = 0; i < n; i++){
			for (int j = 0; j < m; j++){
				answer[i][j]=0;
			}
		}
		allocate_tickets(answer);
		vector<long long> arr;
		for (int i = 0; i < n; ++i)
		{
			arr.push_back(x[i][0]);
		}
		sortarr(arr);
		long long ans = 0;
		for (int i = 0; i < n; i++){
			ans+=abs(arr[i]-arr[arr.size()/2]);
		}
		return ans;
	}
}

Compilation message (stderr)

tickets.cpp:1: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    1 | #pragma optimize("Bismillahirrahmanirrahim")
      |

• Subtask 1: 11 / 11
• Subtask 2: 0 / 16
• Subtask 3: 14 / 14
• Subtask 4: 0 / 14
• Subtask 5: 0 / 12
• Subtask 6: 0 / 23
• Subtask 7: 0 / 10