oj.uz

Submission #169176

# Submission time Handle Problem Language Result Execution time Memory
169176 2019-12-18T19:05:41 Z RafaelSus Xoractive (IZhO19_xoractive) C++14
100 / 100
 14 ms 764 KB 
#include <bits/stdc++.h>
#include "interactive.h"
using namespace std;
const int N = 5e5 + 5;
typedef long long ll;
#define pb push_back


vector<int>guess(int n){
  int res[n],p=0;
  if(n<=4){
    for(int i=0;i<n;i++)
      res[i]=ask(i+1);
    vector<int>answ;
    for(int i=0;i<n;i++)answ.push_back(res[i]);
    return answ;
  }
  res[0]=ask(1);
  vector<int>idx[7][3];
  for(int i=2;i<=n;i++){
    for(int j=0;j<=6;j++){
      idx[j][(i>>j)%2].push_back(i);
    }
  }
  vector<int>a[7];
  set<int>all;
  set<int>h[7][2];
  for(int i=0;i<=6;i++){
    vector<int>v1=get_pairwise_xor(idx[i][1]);
    idx[i][1].push_back(1);
    vector<int>v2=get_pairwise_xor(idx[i][1]);
    idx[i][1].pop_back();
    multiset<int>fi,se;
    for(int i=0;i<(int)v1.size();i++)fi.insert(v1[i]);
    for(int i=0;i<(int)v2.size();i++)se.insert(v2[i]);
    for(auto x:fi)
      se.erase(se.find(x));
    set<int>tmp;
    for(auto x:se)
      tmp.insert(x^res[0]);
    tmp.erase(res[0]);
    for(auto x:tmp)
      all.insert(x);
    h[i][1]=tmp;
  }
  for(int i=0;i<=6;i++){
    h[i][0]=all;
    for(auto x:h[i][1])
      h[i][0].erase(x);
  }
  for(int i=2;i<=n;i++){
    set<int>tmp=all;
    for(int j=0;j<=6;j++){
      for(auto x:all){
        if(h[j][(i>>j)%2].find(x)==h[j][(i>>j)%2].end())
          tmp.erase(x);
      }
    }
    res[i-1]=*tmp.begin();
  }vector<int>answ;
  for(int i=0;i<n;i++)answ.push_back(res[i]);
  return answ;
}

Compilation message

Xoractive.cpp: In function 'std::vector<int> guess(int)':
Xoractive.cpp:10:14: warning: unused variable 'p' [-Wunused-variable]
   int res[n],p=0;
              ^

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 248 KB Output is correct
3 Correct 2 ms 248 KB Output is correct
4 Correct 2 ms 248 KB Output is correct

Subtask #2
94.0 / 94.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 504 KB Output is correct
2 Correct 13 ms 504 KB Output is correct
3 Correct 13 ms 632 KB Output is correct
4 Correct 14 ms 504 KB Output is correct
5 Correct 14 ms 504 KB Output is correct
6 Correct 13 ms 660 KB Output is correct
7 Correct 13 ms 504 KB Output is correct
8 Correct 13 ms 632 KB Output is correct
9 Correct 14 ms 504 KB Output is correct
10 Correct 13 ms 504 KB Output is correct
11 Correct 13 ms 504 KB Output is correct
12 Correct 13 ms 504 KB Output is correct
13 Correct 13 ms 504 KB Output is correct
14 Correct 13 ms 504 KB Output is correct
15 Correct 13 ms 504 KB Output is correct
16 Correct 14 ms 504 KB Output is correct
17 Correct 14 ms 564 KB Output is correct
18 Correct 13 ms 504 KB Output is correct
19 Correct 13 ms 632 KB Output is correct
20 Correct 13 ms 504 KB Output is correct
21 Correct 14 ms 632 KB Output is correct
22 Correct 14 ms 504 KB Output is correct
23 Correct 13 ms 504 KB Output is correct
24 Correct 14 ms 668 KB Output is correct
25 Correct 13 ms 632 KB Output is correct
26 Correct 13 ms 504 KB Output is correct
27 Correct 13 ms 504 KB Output is correct
28 Correct 13 ms 504 KB Output is correct
29 Correct 13 ms 632 KB Output is correct
30 Correct 13 ms 632 KB Output is correct
31 Correct 14 ms 588 KB Output is correct
32 Correct 13 ms 680 KB Output is correct
33 Correct 14 ms 632 KB Output is correct
34 Correct 13 ms 636 KB Output is correct
35 Correct 13 ms 632 KB Output is correct
36 Correct 13 ms 632 KB Output is correct
37 Correct 13 ms 504 KB Output is correct
38 Correct 13 ms 632 KB Output is correct
39 Correct 14 ms 504 KB Output is correct
40 Correct 13 ms 504 KB Output is correct
41 Correct 13 ms 504 KB Output is correct
42 Correct 13 ms 504 KB Output is correct
43 Correct 13 ms 504 KB Output is correct
44 Correct 13 ms 504 KB Output is correct
45 Correct 14 ms 504 KB Output is correct
46 Correct 13 ms 504 KB Output is correct
47 Correct 13 ms 532 KB Output is correct
48 Correct 13 ms 556 KB Output is correct
49 Correct 13 ms 504 KB Output is correct
50 Correct 13 ms 632 KB Output is correct
51 Correct 13 ms 504 KB Output is correct
52 Correct 13 ms 504 KB Output is correct
53 Correct 13 ms 632 KB Output is correct
54 Correct 14 ms 504 KB Output is correct
55 Correct 12 ms 504 KB Output is correct
56 Correct 14 ms 504 KB Output is correct
57 Correct 14 ms 504 KB Output is correct
58 Correct 13 ms 504 KB Output is correct
59 Correct 13 ms 504 KB Output is correct
60 Correct 13 ms 632 KB Output is correct
61 Correct 13 ms 632 KB Output is correct
62 Correct 14 ms 504 KB Output is correct
63 Correct 13 ms 632 KB Output is correct
64 Correct 13 ms 504 KB Output is correct
65 Correct 14 ms 664 KB Output is correct
66 Correct 13 ms 636 KB Output is correct
67 Correct 13 ms 632 KB Output is correct
68 Correct 13 ms 504 KB Output is correct
69 Correct 13 ms 504 KB Output is correct
70 Correct 13 ms 632 KB Output is correct
71 Correct 13 ms 504 KB Output is correct
72 Correct 13 ms 632 KB Output is correct
73 Correct 14 ms 632 KB Output is correct
74 Correct 13 ms 764 KB Output is correct
75 Correct 13 ms 504 KB Output is correct
76 Correct 14 ms 632 KB Output is correct
77 Correct 13 ms 504 KB Output is correct
78 Correct 13 ms 504 KB Output is correct
79 Correct 13 ms 504 KB Output is correct
80 Correct 13 ms 504 KB Output is correct
81 Correct 14 ms 632 KB Output is correct
82 Correct 13 ms 632 KB Output is correct
83 Correct 13 ms 632 KB Output is correct
84 Correct 14 ms 504 KB Output is correct
85 Correct 13 ms 632 KB Output is correct
86 Correct 14 ms 504 KB Output is correct
87 Correct 14 ms 632 KB Output is correct
88 Correct 14 ms 632 KB Output is correct
89 Correct 13 ms 632 KB Output is correct
90 Correct 13 ms 504 KB Output is correct
91 Correct 13 ms 632 KB Output is correct
92 Correct 13 ms 504 KB Output is correct
93 Correct 13 ms 504 KB Output is correct
94 Correct 13 ms 504 KB Output is correct
95 Correct 13 ms 632 KB Output is correct
96 Correct 13 ms 632 KB Output is correct
97 Correct 13 ms 632 KB Output is correct
98 Correct 13 ms 632 KB Output is correct
99 Correct 13 ms 504 KB Output is correct
100 Correct 14 ms 504 KB Output is correct