답안 #52420 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
52420	2018-06-25T22:30:43 Z	Kubalionzzale	커다란 상품 (IOI17_prize)	C++14	94.17 / 100	51 ms	856 KB

prize

#include "prize.h"

#include <algorithm>
#include <set>
#include <map>

std::map<int, int> mapa;
//first - sum
//second - left

int find_best(int n) {

    if (n <= 500)
    {
        std::vector<int> get;
        for (int i = 0; i < n; ++i)
        {
            get = ask(i);

            if (get[0] == 0 && get[1] == 0)
            {
                return i;
            }
        }
    }


    int max = 0;
    std::vector<int> get;
    std::map<int, std::pair<int, int> > askedBig;
    for (int i = 0; i < 476; ++i)
    {
        get = ask(i);
        if (get[0] + get[1] > max)
        {
            max = get[0] + get[1];
        }
        if (get[0] == 0 && get[1] == 0)
        {
            return i;
        }

        int sum = get[0] + get[1];
        if (mapa.find(sum) == mapa.end())
        {
            mapa.insert(std::make_pair(sum, 0));
        }
        else
        {
            mapa[sum] = get[0];
        }
    }

    int cur = 475;
    while (1)
    {

        if (askedBig.find(cur) != askedBig.end())
        {
            get[0] = askedBig[cur].first;
            get[1] = askedBig[cur].second;
        }
        else
        {
            get = ask(cur);
            askedBig.insert(std::make_pair(cur, std::make_pair(get[0], get[1])));
        }

        if (get[0] == 0 && get[1] == 0)
        {
            return cur;
        }


        int s = get[0] + get[1];
        while (1 && s != max)
        {
            if (askedBig.find(cur + 1) != askedBig.end())
            {
                get[0] = askedBig[cur + 1].first;
                get[1] = askedBig[cur + 1].second;
            }
            else
            {
                get = ask(cur + 1);
                askedBig.insert(std::make_pair(cur + 1, std::make_pair(get[0], get[1])));
            }

            int inner = get[0] + get[1];
            if (inner == 0)
            {
                return cur + 1;
            }
            else if (inner != max)
            {
                mapa[inner] = get[0];
                ++cur;
            }
            else
            {
                mapa[inner] = get[0];
                break;
            }
        }


        bool flag = false;
        for (int i = 9; i >= 0; --i)
        {
            int nr = 1 << i;
            int toAsk = std::min(cur + nr, n - 1);

            if (askedBig.find(toAsk) != askedBig.end())
            {
                get[0] = askedBig[toAsk].first;
                get[1] = askedBig[toAsk].second;
            }
            else
            {
                get = ask(toAsk);
                askedBig.insert(std::make_pair(toAsk, std::make_pair(get[0], get[1])));
            }


            int sum = get[0] + get[1];

            if (get[0] == 0 && get[1] == 0)
            {
                return toAsk;
            }

            if (get[0] == 0 && sum != max)
            {
                mapa.insert(std::make_pair(sum, 0));

                cur = toAsk;
                flag = true;
                break;
            }
            else if (mapa.find(sum) == mapa.end())
            {
                continue;
            }
            else if (get[0] > mapa[sum])
            {
                continue;
            }
            else if (get[0] == mapa[sum] && sum != max)
            {
                cur = toAsk;
                flag = true;
                break;
            }
            else
            {
                cur = toAsk;
            }
        }

        if (!flag)
            ++cur;
    }
}

Subtask #1
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	248 KB	Output is correct
2	Correct	15 ms	372 KB	Output is correct
3	Correct	21 ms	384 KB	Output is correct
4	Correct	29 ms	672 KB	Output is correct
5	Correct	12 ms	672 KB	Output is correct
6	Correct	3 ms	672 KB	Output is correct
7	Correct	24 ms	672 KB	Output is correct
8	Correct	17 ms	672 KB	Output is correct
9	Correct	22 ms	672 KB	Output is correct
10	Correct	18 ms	672 KB	Output is correct

Subtask #2
74.17 / 80.0

#	결과	실행 시간	메모리	Grader output
1	Correct	13 ms	672 KB	Output is correct
2	Correct	17 ms	672 KB	Output is correct
3	Correct	23 ms	672 KB	Output is correct
4	Correct	23 ms	672 KB	Output is correct
5	Correct	7 ms	672 KB	Output is correct
6	Correct	2 ms	672 KB	Output is correct
7	Correct	13 ms	672 KB	Output is correct
8	Correct	14 ms	672 KB	Output is correct
9	Correct	13 ms	672 KB	Output is correct
10	Correct	18 ms	672 KB	Output is correct
11	Correct	12 ms	672 KB	Output is correct
12	Correct	5 ms	672 KB	Output is correct
13	Correct	24 ms	672 KB	Output is correct
14	Correct	6 ms	672 KB	Output is correct
15	Correct	11 ms	672 KB	Output is correct
16	Correct	40 ms	700 KB	Output is correct
17	Correct	5 ms	700 KB	Output is correct
18	Partially correct	41 ms	828 KB	Partially correct - number of queries: 5467
19	Correct	5 ms	828 KB	Output is correct
20	Correct	12 ms	828 KB	Output is correct
21	Correct	19 ms	828 KB	Output is correct
22	Correct	6 ms	828 KB	Output is correct
23	Correct	7 ms	828 KB	Output is correct
24	Correct	4 ms	828 KB	Output is correct
25	Correct	30 ms	828 KB	Output is correct
26	Correct	27 ms	828 KB	Output is correct
27	Correct	10 ms	828 KB	Output is correct
28	Partially correct	49 ms	828 KB	Partially correct - number of queries: 5583
29	Correct	36 ms	828 KB	Output is correct
30	Partially correct	50 ms	828 KB	Partially correct - number of queries: 5492
31	Correct	4 ms	828 KB	Output is correct
32	Correct	17 ms	828 KB	Output is correct
33	Correct	2 ms	828 KB	Output is correct
34	Correct	17 ms	828 KB	Output is correct
35	Correct	9 ms	828 KB	Output is correct
36	Correct	14 ms	828 KB	Output is correct
37	Correct	11 ms	828 KB	Output is correct
38	Correct	9 ms	828 KB	Output is correct
39	Correct	24 ms	828 KB	Output is correct
40	Correct	46 ms	828 KB	Output is correct
41	Correct	36 ms	828 KB	Output is correct
42	Correct	48 ms	828 KB	Output is correct
43	Correct	38 ms	828 KB	Output is correct
44	Correct	10 ms	828 KB	Output is correct
45	Correct	21 ms	828 KB	Output is correct
46	Correct	5 ms	828 KB	Output is correct
47	Correct	19 ms	828 KB	Output is correct
48	Correct	39 ms	828 KB	Output is correct
49	Correct	7 ms	828 KB	Output is correct
50	Partially correct	44 ms	856 KB	Partially correct - number of queries: 5394
51	Correct	28 ms	856 KB	Output is correct
52	Correct	6 ms	856 KB	Output is correct
53	Correct	17 ms	856 KB	Output is correct
54	Correct	22 ms	856 KB	Output is correct
55	Correct	5 ms	856 KB	Output is correct
56	Partially correct	39 ms	856 KB	Partially correct - number of queries: 5461
57	Correct	33 ms	856 KB	Output is correct
58	Correct	39 ms	856 KB	Output is correct
59	Correct	29 ms	856 KB	Output is correct
60	Correct	24 ms	856 KB	Output is correct
61	Correct	28 ms	856 KB	Output is correct
62	Correct	9 ms	856 KB	Output is correct
63	Correct	11 ms	856 KB	Output is correct
64	Correct	14 ms	856 KB	Output is correct
65	Correct	22 ms	856 KB	Output is correct
66	Correct	27 ms	856 KB	Output is correct
67	Correct	17 ms	856 KB	Output is correct
68	Correct	4 ms	856 KB	Output is correct
69	Correct	18 ms	856 KB	Output is correct
70	Correct	21 ms	856 KB	Output is correct
71	Partially correct	33 ms	856 KB	Partially correct - number of queries: 5197
72	Correct	18 ms	856 KB	Output is correct
73	Partially correct	26 ms	856 KB	Partially correct - number of queries: 5127
74	Partially correct	39 ms	856 KB	Partially correct - number of queries: 5157
75	Correct	12 ms	856 KB	Output is correct
76	Correct	33 ms	856 KB	Output is correct
77	Partially correct	51 ms	856 KB	Partially correct - number of queries: 5370
78	Correct	18 ms	856 KB	Output is correct
79	Correct	20 ms	856 KB	Output is correct
80	Partially correct	38 ms	856 KB	Partially correct - number of queries: 5342
81	Partially correct	50 ms	856 KB	Partially correct - number of queries: 5425
82	Partially correct	24 ms	856 KB	Partially correct - number of queries: 5325
83	Correct	19 ms	856 KB	Output is correct
84	Correct	33 ms	856 KB	Output is correct
85	Partially correct	38 ms	856 KB	Partially correct - number of queries: 5306
86	Correct	20 ms	856 KB	Output is correct
87	Correct	13 ms	856 KB	Output is correct
88	Correct	16 ms	856 KB	Output is correct
89	Correct	18 ms	856 KB	Output is correct
90	Correct	23 ms	856 KB	Output is correct
91	Correct	25 ms	856 KB	Output is correct
92	Correct	12 ms	856 KB	Output is correct
93	Correct	29 ms	856 KB	Output is correct
94	Correct	22 ms	856 KB	Output is correct
95	Correct	21 ms	856 KB	Output is correct
96	Correct	12 ms	856 KB	Output is correct
97	Correct	17 ms	856 KB	Output is correct

답안 #52420

Compilation message

Subtask #1 20.0 / 20.0

Subtask #2 74.17 / 80.0

Subtask #1
20.0 / 20.0

Subtask #2
74.17 / 80.0