답안 #259192

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
259192	2020-08-07T10:55:10 Z	GREGOIRELC	커다란 상품 (IOI17_prize)	C++14	90 / 100	120 ms	1624 KB

prize

#include "prize.h"
#include <iostream>

using namespace std;

const int MAX_CADEAU = 2e5;
const int MAX_UTILE = 500;

bool estUtile[MAX_CADEAU];
bool dejaVu[MAX_CADEAU];
int resultGauche[MAX_CADEAU];

int find_best(int N)
{
	int maxi = 0;
	for(int iCadeau = 0; iCadeau < min(MAX_UTILE, N); iCadeau++)
	{
		vector<int> r = ask(iCadeau);
		maxi = max(maxi, r[0] + r[1]);
	}

	int curCadeau = 0;
	vector<int> r = ask(N - 1);
	if(r[0] + r[1] < maxi)
	{
		estUtile[N - 1] = true;
	}
	dejaVu[N - 1] = true;
	resultGauche[N - 1] = r[0];
	while(curCadeau < N)
	{
		if(estUtile[curCadeau])
		{
			curCadeau++;
			continue;
		}
		vector<int> r;
		int nbGauche;
		if(dejaVu[curCadeau])
		{
			nbGauche = resultGauche[curCadeau];
		}
		else
		{
			r = ask(curCadeau);
			if(r[0] + r[1] < maxi)
			{
				estUtile[curCadeau] = true;
				curCadeau++;
				continue;
			}
			dejaVu[curCadeau] = true;
			resultGauche[curCadeau] = r[0];
			nbGauche = r[0];
		}
		int borneGauche = curCadeau, borneDroite = N - 1;
		while(borneGauche < borneDroite - 1)
		{
			//cout << borneGauche << " " << borneDroite << endl;
			int mid = (borneGauche + borneDroite) / 2;
			if(estUtile[mid])
			{
				borneDroite = mid;
			}
			else if(dejaVu[mid])
			{
				if(resultGauche[mid] == nbGauche)
				{
					borneGauche = mid;
				}
				else
				{
					borneDroite = mid;
				}
			}
			else
			{
				r = ask(mid);
				dejaVu[mid] = true;
				resultGauche[mid] = r[0];
				if(r[0] + r[1] < maxi)
				{
					estUtile[mid] = true;
					borneDroite = mid;
				}
				else if(r[0] > nbGauche)
				{
					borneDroite = mid;
				}
				else
				{
					borneGauche = mid;
				}
			}
		}
		//cout << borneGauche << " " << borneDroite << endl;
		if(!estUtile[borneDroite] && resultGauche[borneDroite] == nbGauche)
		{
			curCadeau = borneDroite + 1;
		}
		else
		{
			curCadeau = borneGauche + 1;
		}
	}

	for(int curCadeau = 0; curCadeau < N; curCadeau++)
	{
		if(estUtile[curCadeau])
		{
			vector<int> r = ask(curCadeau);
			if(r[0] + r[1] == 0)
			{
				return curCadeau;
			}
		}
	}
	return -1;
}

Subtask #1

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	376 KB	Output is correct
2	Correct	7 ms	376 KB	Output is correct
3	Correct	11 ms	376 KB	Output is correct
4	Correct	9 ms	376 KB	Output is correct
5	Correct	6 ms	392 KB	Output is correct
6	Correct	5 ms	376 KB	Output is correct
7	Correct	6 ms	376 KB	Output is correct
8	Correct	4 ms	376 KB	Output is correct
9	Correct	8 ms	384 KB	Output is correct
10	Correct	9 ms	384 KB	Output is correct

Subtask #2

70.0 / 80.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	7 ms	376 KB	Output is correct
3	Correct	7 ms	376 KB	Output is correct
4	Correct	5 ms	384 KB	Output is correct
5	Correct	7 ms	384 KB	Output is correct
6	Correct	7 ms	384 KB	Output is correct
7	Correct	7 ms	376 KB	Output is correct
8	Correct	9 ms	376 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	5 ms	384 KB	Output is correct
11	Correct	11 ms	1280 KB	Output is correct
12	Correct	11 ms	1272 KB	Output is correct
13	Correct	15 ms	1276 KB	Output is correct
14	Correct	21 ms	508 KB	Output is correct
15	Partially correct	78 ms	1528 KB	Partially correct - number of queries: 8068
16	Partially correct	116 ms	1528 KB	Partially correct - number of queries: 8816
17	Partially correct	110 ms	1532 KB	Partially correct - number of queries: 8395
18	Partially correct	111 ms	1528 KB	Partially correct - number of queries: 8873
19	Partially correct	61 ms	1528 KB	Partially correct - number of queries: 7922
20	Partially correct	59 ms	1100 KB	Partially correct - number of queries: 5753
21	Partially correct	68 ms	1528 KB	Partially correct - number of queries: 8488
22	Partially correct	66 ms	1528 KB	Partially correct - number of queries: 6344
23	Correct	9 ms	720 KB	Output is correct
24	Correct	10 ms	1144 KB	Output is correct
25	Partially correct	108 ms	1528 KB	Partially correct - number of queries: 8582
26	Partially correct	86 ms	1528 KB	Partially correct - number of queries: 8506
27	Correct	4 ms	688 KB	Output is correct
28	Partially correct	82 ms	1472 KB	Partially correct - number of queries: 8648
29	Partially correct	40 ms	1528 KB	Partially correct - number of queries: 7129
30	Partially correct	70 ms	1536 KB	Partially correct - number of queries: 8826
31	Partially correct	89 ms	1504 KB	Partially correct - number of queries: 8370
32	Correct	23 ms	1276 KB	Output is correct
33	Correct	1 ms	384 KB	Output is correct
34	Partially correct	78 ms	1512 KB	Partially correct - number of queries: 8523
35	Correct	11 ms	888 KB	Output is correct
36	Partially correct	108 ms	1472 KB	Partially correct - number of queries: 8403
37	Correct	6 ms	1104 KB	Output is correct
38	Correct	8 ms	632 KB	Output is correct
39	Partially correct	78 ms	1588 KB	Partially correct - number of queries: 8559
40	Partially correct	62 ms	1476 KB	Partially correct - number of queries: 7641
41	Partially correct	60 ms	1532 KB	Partially correct - number of queries: 8528
42	Partially correct	70 ms	1528 KB	Partially correct - number of queries: 8528
43	Partially correct	39 ms	1524 KB	Partially correct - number of queries: 8126
44	Partially correct	41 ms	1536 KB	Partially correct - number of queries: 8566
45	Partially correct	90 ms	1624 KB	Partially correct - number of queries: 8469
46	Partially correct	105 ms	1540 KB	Partially correct - number of queries: 8389
47	Partially correct	106 ms	1460 KB	Partially correct - number of queries: 8602
48	Partially correct	58 ms	1536 KB	Partially correct - number of queries: 8741
49	Partially correct	112 ms	1528 KB	Partially correct - number of queries: 8394
50	Partially correct	115 ms	1528 KB	Partially correct - number of queries: 8876
51	Partially correct	115 ms	1528 KB	Partially correct - number of queries: 8541
52	Partially correct	63 ms	1576 KB	Partially correct - number of queries: 8419
53	Correct	4 ms	700 KB	Output is correct
54	Partially correct	75 ms	1412 KB	Partially correct - number of queries: 8531
55	Partially correct	52 ms	1532 KB	Partially correct - number of queries: 8411
56	Partially correct	69 ms	1532 KB	Partially correct - number of queries: 8871
57	Partially correct	71 ms	1528 KB	Partially correct - number of queries: 8662
58	Partially correct	65 ms	1528 KB	Partially correct - number of queries: 8707
59	Partially correct	74 ms	1528 KB	Partially correct - number of queries: 8528
60	Partially correct	65 ms	1532 KB	Partially correct - number of queries: 8155
61	Correct	8 ms	632 KB	Output is correct
62	Correct	4 ms	700 KB	Output is correct
63	Correct	4 ms	700 KB	Output is correct
64	Correct	9 ms	632 KB	Output is correct
65	Correct	5 ms	384 KB	Output is correct
66	Correct	15 ms	380 KB	Output is correct
67	Correct	14 ms	376 KB	Output is correct
68	Correct	23 ms	376 KB	Output is correct
69	Correct	20 ms	436 KB	Output is correct
70	Correct	11 ms	376 KB	Output is correct
71	Partially correct	120 ms	1528 KB	Partially correct - number of queries: 8726
72	Correct	16 ms	1272 KB	Output is correct
73	Partially correct	78 ms	1528 KB	Partially correct - number of queries: 8589
74	Partially correct	68 ms	1528 KB	Partially correct - number of queries: 8665
75	Correct	7 ms	768 KB	Output is correct
76	Partially correct	39 ms	1544 KB	Partially correct - number of queries: 7538
77	Partially correct	64 ms	1528 KB	Partially correct - number of queries: 8901
78	Correct	10 ms	1280 KB	Output is correct
79	Correct	32 ms	1528 KB	Output is correct
80	Partially correct	80 ms	1528 KB	Partially correct - number of queries: 8907
81	Partially correct	107 ms	1528 KB	Partially correct - number of queries: 8885
82	Partially correct	79 ms	1528 KB	Partially correct - number of queries: 8821
83	Correct	7 ms	640 KB	Output is correct
84	Partially correct	57 ms	1528 KB	Partially correct - number of queries: 7371
85	Partially correct	76 ms	1564 KB	Partially correct - number of queries: 8896
86	Correct	20 ms	384 KB	Output is correct
87	Correct	8 ms	384 KB	Output is correct
88	Correct	12 ms	384 KB	Output is correct
89	Correct	20 ms	384 KB	Output is correct
90	Correct	4 ms	384 KB	Output is correct
91	Correct	10 ms	384 KB	Output is correct
92	Correct	12 ms	504 KB	Output is correct
93	Correct	26 ms	1016 KB	Output is correct
94	Correct	23 ms	1016 KB	Output is correct
95	Correct	25 ms	1016 KB	Output is correct
96	Correct	15 ms	1016 KB	Output is correct
97	Correct	18 ms	512 KB	Output is correct