oj.uz

Submission #52406

# Submission time Handle Problem Language Result Execution time Memory
52406 2018-06-25T22:10:01 Z Kubalionzzale The Big Prize (IOI17_prize) C++14
93.92 / 100
 56 ms 956 KB 
#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 < 500; ++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 = 499;
    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

# Verdict Execution time Memory Grader output
1 Correct 9 ms 248 KB Output is correct
2 Correct 17 ms 436 KB Output is correct
3 Correct 12 ms 436 KB Output is correct
4 Correct 25 ms 604 KB Output is correct
5 Correct 14 ms 604 KB Output is correct
6 Correct 2 ms 604 KB Output is correct
7 Correct 17 ms 604 KB Output is correct
8 Correct 12 ms 604 KB Output is correct
9 Correct 7 ms 604 KB Output is correct
10 Correct 25 ms 628 KB Output is correct

Subtask #2
73.92 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 628 KB Output is correct
2 Correct 8 ms 628 KB Output is correct
3 Correct 12 ms 628 KB Output is correct
4 Correct 18 ms 628 KB Output is correct
5 Correct 13 ms 700 KB Output is correct
6 Correct 2 ms 700 KB Output is correct
7 Correct 12 ms 700 KB Output is correct
8 Correct 7 ms 700 KB Output is correct
9 Correct 12 ms 700 KB Output is correct
10 Correct 22 ms 700 KB Output is correct
11 Correct 12 ms 700 KB Output is correct
12 Correct 4 ms 700 KB Output is correct
13 Correct 11 ms 700 KB Output is correct
14 Correct 7 ms 700 KB Output is correct
15 Correct 10 ms 700 KB Output is correct
16 Correct 49 ms 828 KB Output is correct
17 Correct 5 ms 828 KB Output is correct
18 Partially correct 44 ms 828 KB Partially correct - number of queries: 5492
19 Correct 6 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 8 ms 828 KB Output is correct
23 Correct 6 ms 828 KB Output is correct
24 Correct 3 ms 828 KB Output is correct
25 Correct 25 ms 828 KB Output is correct
26 Correct 14 ms 828 KB Output is correct
27 Correct 11 ms 828 KB Output is correct
28 Partially correct 46 ms 956 KB Partially correct - number of queries: 5608
29 Correct 33 ms 956 KB Output is correct
30 Partially correct 34 ms 956 KB Partially correct - number of queries: 5514
31 Correct 4 ms 956 KB Output is correct
32 Correct 18 ms 956 KB Output is correct
33 Correct 2 ms 956 KB Output is correct
34 Correct 9 ms 956 KB Output is correct
35 Correct 14 ms 956 KB Output is correct
36 Correct 12 ms 956 KB Output is correct
37 Correct 11 ms 956 KB Output is correct
38 Correct 10 ms 956 KB Output is correct
39 Correct 29 ms 956 KB Output is correct
40 Correct 43 ms 956 KB Output is correct
41 Correct 38 ms 956 KB Output is correct
42 Correct 28 ms 956 KB Output is correct
43 Correct 35 ms 956 KB Output is correct
44 Correct 26 ms 956 KB Output is correct
45 Correct 17 ms 956 KB Output is correct
46 Correct 8 ms 956 KB Output is correct
47 Correct 39 ms 956 KB Output is correct
48 Correct 35 ms 956 KB Output is correct
49 Correct 10 ms 956 KB Output is correct
50 Partially correct 32 ms 956 KB Partially correct - number of queries: 5419
51 Correct 10 ms 956 KB Output is correct
52 Correct 6 ms 956 KB Output is correct
53 Correct 23 ms 956 KB Output is correct
54 Correct 11 ms 956 KB Output is correct
55 Correct 4 ms 956 KB Output is correct
56 Partially correct 48 ms 956 KB Partially correct - number of queries: 5486
57 Correct 18 ms 956 KB Output is correct
58 Correct 25 ms 956 KB Output is correct
59 Correct 26 ms 956 KB Output is correct
60 Correct 24 ms 956 KB Output is correct
61 Correct 30 ms 956 KB Output is correct
62 Correct 10 ms 956 KB Output is correct
63 Correct 16 ms 956 KB Output is correct
64 Correct 16 ms 956 KB Output is correct
65 Correct 27 ms 956 KB Output is correct
66 Correct 20 ms 956 KB Output is correct
67 Correct 22 ms 956 KB Output is correct
68 Correct 7 ms 956 KB Output is correct
69 Correct 27 ms 956 KB Output is correct
70 Correct 31 ms 956 KB Output is correct
71 Partially correct 26 ms 956 KB Partially correct - number of queries: 5221
72 Correct 19 ms 956 KB Output is correct
73 Partially correct 48 ms 956 KB Partially correct - number of queries: 5151
74 Partially correct 43 ms 956 KB Partially correct - number of queries: 5181
75 Correct 20 ms 956 KB Output is correct
76 Correct 56 ms 956 KB Output is correct
77 Partially correct 50 ms 956 KB Partially correct - number of queries: 5431
78 Correct 25 ms 956 KB Output is correct
79 Correct 30 ms 956 KB Output is correct
80 Partially correct 36 ms 956 KB Partially correct - number of queries: 5415
81 Partially correct 43 ms 956 KB Partially correct - number of queries: 5399
82 Partially correct 21 ms 956 KB Partially correct - number of queries: 5323
83 Correct 18 ms 956 KB Output is correct
84 Correct 36 ms 956 KB Output is correct
85 Partially correct 52 ms 956 KB Partially correct - number of queries: 5384
86 Correct 19 ms 956 KB Output is correct
87 Correct 20 ms 956 KB Output is correct
88 Correct 22 ms 956 KB Output is correct
89 Correct 16 ms 956 KB Output is correct
90 Correct 17 ms 956 KB Output is correct
91 Correct 19 ms 956 KB Output is correct
92 Correct 19 ms 956 KB Output is correct
93 Correct 20 ms 956 KB Output is correct
94 Correct 16 ms 956 KB Output is correct
95 Correct 18 ms 956 KB Output is correct
96 Correct 12 ms 956 KB Output is correct
97 Correct 16 ms 956 KB Output is correct