oj.uz

답안 #129232

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
129232 2019-07-11T21:35:59 Z arthurconmy 쌀 창고 (IOI11_ricehub) C++14
0 / 100
 21 ms 2424 KB 
#include <iostream>
#include <fstream>
#include <vector>
#include <string>
#include <cmath>
#include <algorithm>
#include <map>
#include <queue>
#include <bitset>
#include <random>
#include <stack>
#include <deque>
#include <chrono>
using namespace std;

#ifndef ARTHUR_LOCAL
	#include "ricehub.h"
#endif

#ifdef ARTHUR_LOCAL
	#define ARTHUR_MAIN main
#endif

using ll = long long;

#define REP(i,a,b) \
for(int i=int(a); i<=int(b); i++)

#define len(x) int(x.size())

int besthub(int R, int L, int X[], long long B)
{
	ll cur_budget = B + L*0;
	int maxx=0;
	
	deque<int> ahead;

	REP(i,0,R-1) ahead.push_back(X[i]);

	deque<int> cur_behind;
	deque<int> cur_ahead;

	cur_behind.push_back(X[0]);
	ahead.pop_front();

	while(cur_budget>0 && !ahead.empty())
	{
		if(cur_budget >= ll(ahead.front()-X[0]))
		{
			cur_budget -= ll(ahead.front()-X[0]);

			// cout << X[0] << " " << ahead.front() << endl;

			cur_ahead.push_back(ahead.front());
			ahead.pop_front();
		}

		else break;
	}

	maxx=len(cur_behind)+len(cur_ahead);

	// cout << cur_behind.size() << " " << cur_ahead.size() << endl;

	REP(i,1,R-1)
	{
		cur_budget -= ll(len(cur_behind)-len(cur_ahead))*ll(X[i]-X[i-1]);

		// cout << "THE CURRENT BUDGET IS " << cur_budget << " " << cur_behind.size() << endl;
		
		// move X[i] from cur_ahead to cur_behind

		if(!cur_ahead.empty()) cur_ahead.pop_front();
		else ahead.pop_front();
		cur_behind.push_back(X[i]); 

		while(cur_budget < 0) 
		{
			cur_budget += X[i]-cur_behind.front();
			cur_behind.pop_front();

			// cout << "HERE" << endl;
		}

		// cout << cur_budget << endl;

		while(cur_budget > 0 && !ahead.empty() && ahead.front()-X[i] <= cur_budget)
		{
			cur_budget -= ahead.front()-X[i];
			cur_ahead.push_back(ahead.front());
			ahead.pop_front();
		}

		// cout << cur_budget << endl;

		// cout << X[i] << " " << len(cur_behind) << " " << len(cur_ahead) << endl;
		// cout << ahead.size() << endl;

		while(!ahead.empty() && !cur_behind.empty() && ahead.front() - X[i] <= X[i] - cur_behind.front())
		{
			cur_budget -= X[i] + X[i] - cur_behind.front() - ahead.front();
			cur_behind.pop_front();
			cur_ahead.push_back(ahead.front());
			ahead.pop_front();

			while(cur_budget > 0 && !ahead.empty() && ahead.front()-X[i] <= cur_budget)
			{
				cur_budget -= ahead.front()-X[i];
				cur_ahead.push_back(ahead.front());
				ahead.pop_front();
			} // yikes a lot of while loops
		}

		// cout << cur_budget << endl;

		maxx=max(maxx,len(cur_behind)+len(cur_ahead));

		// cout << X[i] << " " << len(cur_behind) << " " << len(cur_ahead) << endl;
		// cout << cur_budget << endl;

		// cur_behind.push_front()
	}

	return maxx;
}

// int X[5];

// int ARTHUR_MAIN()
// {
// 	X[0]=1;
// 	X[1]=2;
// 	X[2]=10;
// 	X[3]=12;
// 	X[4]=14;

// 	cout << besthub(5,20,X,6) << endl;

// 	return 0;
// }

Subtask #1
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Incorrect 2 ms 256 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 252 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Incorrect 2 ms 256 KB Output isn't correct
11 Halted 0 ms 0 KB -

Subtask #3
0 / 26.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Runtime error 3 ms 504 KB Execution killed with signal 11 (could be triggered by violating memory limits)
6 Halted 0 ms 0 KB -

Subtask #4
0 / 32.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 632 KB Output is correct
2 Correct 5 ms 632 KB Output is correct
3 Correct 20 ms 2168 KB Output is correct
4 Correct 19 ms 2168 KB Output is correct
5 Correct 11 ms 1016 KB Output is correct
6 Correct 10 ms 1016 KB Output is correct
7 Correct 17 ms 1884 KB Output is correct
8 Correct 18 ms 1912 KB Output is correct
9 Correct 9 ms 1016 KB Output is correct
10 Correct 9 ms 1016 KB Output is correct
11 Correct 21 ms 2424 KB Output is correct
12 Correct 21 ms 2168 KB Output is correct
13 Runtime error 12 ms 1784 KB Execution killed with signal 11 (could be triggered by violating memory limits)
14 Halted 0 ms 0 KB -