oj.uz

Submission #964467

# Submission time Handle Problem Language Result Execution time Memory
964467 2024-04-17T00:47:18 Z 12345678 Xoractive (IZhO19_xoractive) C++17
100 / 100
 9 ms 856 KB 
#include "interactive.h"
#include <bits/stdc++.h>

using namespace std;

int f;
vector<int> qrs[8], ans;
set<int> res[8], s[405];

set<int> getval(vector<int> v)
{
    multiset<int> t, nw;
    set<int> ans;
    if (v.empty()) return ans;
    auto tmp=get_pairwise_xor(v);
    for (auto x:tmp) t.insert(x);
    v.push_back(1);
    tmp=get_pairwise_xor(v);
    for (auto x:tmp) nw.insert(x);
    for (auto x:t) nw.erase(nw.find(x));
    for (auto x:nw) if (x!=0) ans.insert(f^x);
    return ans;
}

void solve(int l, int r, int i, int ly, int isl, int rm)
{
    if (rm)
    {
        s[i]=res[ly];
    }
    else if (isl)
    {
        for (auto x:s[i/2]) if (res[ly].find(x)!=res[ly].end()) s[i].insert(x);
        for (auto x:s[i]) s[i/2].erase(x), res[ly].erase(x);
    }
    else
    {
        s[i]=s[i/2];
    }
    //cout<<"size "<<res[1].size()<<'\n';
    //cout<<"debug "<<l<<' '<<r<<' '<<ly<<' '<<isl<<' '<<rm<<' '<<s[i].size()<<'\n';
    if (l==r)
    {
        if (!s[i].empty()) ans.push_back(*s[i].begin());
        return;
    }
    int md=(l+r)/2;
    solve(l, md, 2*i, ly+1, 1, r==128);
    solve(md+1, r, 2*i+1, ly+1, 0, 0);
}

vector<int> guess(int n) {
	f=ask(1);
    ans.push_back(f);
    for (int i=1; i<=7; i++)
    {
        for (int j=2; j<=128; j++)
        {
            if (j>n) continue;
            if (((j-1)%(1<<(8-i)))<(1<<(7-i))) qrs[i].push_back(j);
        }
        res[i]=getval(qrs[i]);
        //cout<<"res "<<i<<':';
        //for (auto x:res[i]) cout<<x<<' ';
        //cout<<'\n';
    }
    solve(1, 128, 1, 0, 0, 0);
    //cout<<ans.size()<<'\n';
	return ans;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 388 KB Output is correct
4 Correct 0 ms 344 KB Output is correct

Subtask #2
94.0 / 94.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 852 KB Output is correct
2 Correct 8 ms 600 KB Output is correct
3 Correct 6 ms 848 KB Output is correct
4 Correct 7 ms 600 KB Output is correct
5 Correct 7 ms 844 KB Output is correct
6 Correct 7 ms 600 KB Output is correct
7 Correct 6 ms 676 KB Output is correct
8 Correct 6 ms 600 KB Output is correct
9 Correct 7 ms 600 KB Output is correct
10 Correct 6 ms 600 KB Output is correct
11 Correct 7 ms 600 KB Output is correct
12 Correct 6 ms 600 KB Output is correct
13 Correct 6 ms 600 KB Output is correct
14 Correct 7 ms 600 KB Output is correct
15 Correct 6 ms 600 KB Output is correct
16 Correct 7 ms 848 KB Output is correct
17 Correct 7 ms 600 KB Output is correct
18 Correct 8 ms 600 KB Output is correct
19 Correct 6 ms 600 KB Output is correct
20 Correct 9 ms 856 KB Output is correct
21 Correct 7 ms 600 KB Output is correct
22 Correct 7 ms 848 KB Output is correct
23 Correct 6 ms 600 KB Output is correct
24 Correct 7 ms 848 KB Output is correct
25 Correct 7 ms 600 KB Output is correct
26 Correct 6 ms 600 KB Output is correct
27 Correct 7 ms 772 KB Output is correct
28 Correct 7 ms 600 KB Output is correct
29 Correct 7 ms 600 KB Output is correct
30 Correct 7 ms 600 KB Output is correct
31 Correct 7 ms 600 KB Output is correct
32 Correct 7 ms 600 KB Output is correct
33 Correct 7 ms 600 KB Output is correct
34 Correct 7 ms 600 KB Output is correct
35 Correct 7 ms 600 KB Output is correct
36 Correct 7 ms 852 KB Output is correct
37 Correct 7 ms 856 KB Output is correct
38 Correct 7 ms 600 KB Output is correct
39 Correct 7 ms 600 KB Output is correct
40 Correct 7 ms 844 KB Output is correct
41 Correct 6 ms 852 KB Output is correct
42 Correct 7 ms 600 KB Output is correct
43 Correct 6 ms 600 KB Output is correct
44 Correct 7 ms 688 KB Output is correct
45 Correct 7 ms 600 KB Output is correct
46 Correct 6 ms 844 KB Output is correct
47 Correct 6 ms 600 KB Output is correct
48 Correct 8 ms 600 KB Output is correct
49 Correct 7 ms 596 KB Output is correct
50 Correct 7 ms 600 KB Output is correct
51 Correct 6 ms 844 KB Output is correct
52 Correct 6 ms 852 KB Output is correct
53 Correct 7 ms 600 KB Output is correct
54 Correct 7 ms 772 KB Output is correct
55 Correct 6 ms 852 KB Output is correct
56 Correct 7 ms 600 KB Output is correct
57 Correct 7 ms 844 KB Output is correct
58 Correct 7 ms 600 KB Output is correct
59 Correct 6 ms 600 KB Output is correct
60 Correct 7 ms 600 KB Output is correct
61 Correct 7 ms 856 KB Output is correct
62 Correct 7 ms 600 KB Output is correct
63 Correct 6 ms 844 KB Output is correct
64 Correct 8 ms 600 KB Output is correct
65 Correct 8 ms 852 KB Output is correct
66 Correct 6 ms 600 KB Output is correct
67 Correct 9 ms 600 KB Output is correct
68 Correct 9 ms 596 KB Output is correct
69 Correct 7 ms 600 KB Output is correct
70 Correct 9 ms 848 KB Output is correct
71 Correct 6 ms 844 KB Output is correct
72 Correct 7 ms 600 KB Output is correct
73 Correct 7 ms 600 KB Output is correct
74 Correct 6 ms 600 KB Output is correct
75 Correct 7 ms 664 KB Output is correct
76 Correct 7 ms 596 KB Output is correct
77 Correct 6 ms 600 KB Output is correct
78 Correct 7 ms 600 KB Output is correct
79 Correct 6 ms 600 KB Output is correct
80 Correct 7 ms 848 KB Output is correct
81 Correct 7 ms 600 KB Output is correct
82 Correct 8 ms 600 KB Output is correct
83 Correct 6 ms 600 KB Output is correct
84 Correct 7 ms 600 KB Output is correct
85 Correct 7 ms 600 KB Output is correct
86 Correct 7 ms 600 KB Output is correct
87 Correct 7 ms 600 KB Output is correct
88 Correct 8 ms 600 KB Output is correct
89 Correct 7 ms 600 KB Output is correct
90 Correct 6 ms 600 KB Output is correct
91 Correct 6 ms 600 KB Output is correct
92 Correct 6 ms 600 KB Output is correct
93 Correct 7 ms 600 KB Output is correct
94 Correct 7 ms 600 KB Output is correct
95 Correct 8 ms 600 KB Output is correct
96 Correct 7 ms 848 KB Output is correct
97 Correct 7 ms 624 KB Output is correct
98 Correct 7 ms 600 KB Output is correct
99 Correct 6 ms 600 KB Output is correct
100 Correct 7 ms 600 KB Output is correct