oj.uz

Submission #257521

# Submission time Handle Problem Language Result Execution time Memory
257521 2020-08-04T11:27:22 Z BThero Xoractive (IZhO19_xoractive) C++17
100 / 100
 6 ms 512 KB 
// chrono::system_clock::now().time_since_epoch().count()
#include<bits/stdc++.h>
#include "interactive.h"

#define pb push_back
#define eb emplace_back
#define mp make_pair
#define fi first
#define se second
#define all(x) (x).begin(), (x).end()
#define debug(x) cerr << #x << " = " << x << endl;

using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<vi> vvi;

int n;
vi arr;

void print(vi x) {
  fprintf(stderr, "%d:", x.size());
  
  for (int y : x) {
    fprintf(stderr, " %d", y);
  }
  
  fprintf(stderr, "\n");
}

int query(int x) {
  return ask(x + 1);
}

vi query(vi x) {
  for (int &y : x) {
    ++y;
  }
  
  return get_pairwise_xor(x);
}

vi guess(int _n) {
  n = _n;
  arr = vi(n, 0);
  arr[0] = query(0);
  map<int, int> idx;
  
  for (int i = 0; (1 << i) < n; ++i) {
    vi A;
    
    for (int j = 1; j < n; ++j) {
      if ((j >> i) & 1) {
        A.pb(j);
      }
    }
    
    vi B = query(A);
    A.pb(0);
    vi C = query(A);
    map<int, int> cnt;
    
    for (int x : B) {
      --cnt[x];
    }
    
    for (int x : C) {
      ++cnt[x];
    }
    
    for (auto it : cnt) {
      if (it.fi != 0 && it.se > 0) {
        idx[it.fi ^ arr[0]] += (1 << i);
      }
    }
  }
  
  for (auto it : idx) {
    arr[it.se] = it.fi;
  }
  
  return arr;
}

Compilation message

Xoractive.cpp: In function 'void print(vi)':
Xoractive.cpp:24:34: warning: format '%d' expects argument of type 'int', but argument 3 has type 'std::vector<int>::size_type {aka long unsigned int}' [-Wformat=]
   fprintf(stderr, "%d:", x.size());
                          ~~~~~~~~^

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct

Subtask #2
94.0 / 94.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 3 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 3 ms 384 KB Output is correct
16 Correct 4 ms 384 KB Output is correct
17 Correct 4 ms 384 KB Output is correct
18 Correct 4 ms 384 KB Output is correct
19 Correct 3 ms 384 KB Output is correct
20 Correct 4 ms 384 KB Output is correct
21 Correct 4 ms 384 KB Output is correct
22 Correct 4 ms 384 KB Output is correct
23 Correct 2 ms 384 KB Output is correct
24 Correct 5 ms 384 KB Output is correct
25 Correct 5 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 3 ms 384 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 5 ms 384 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 2 ms 384 KB Output is correct
32 Correct 5 ms 384 KB Output is correct
33 Correct 6 ms 384 KB Output is correct
34 Correct 4 ms 384 KB Output is correct
35 Correct 2 ms 384 KB Output is correct
36 Correct 4 ms 384 KB Output is correct
37 Correct 4 ms 384 KB Output is correct
38 Correct 4 ms 384 KB Output is correct
39 Correct 2 ms 384 KB Output is correct
40 Correct 4 ms 384 KB Output is correct
41 Correct 4 ms 384 KB Output is correct
42 Correct 4 ms 384 KB Output is correct
43 Correct 2 ms 384 KB Output is correct
44 Correct 4 ms 384 KB Output is correct
45 Correct 4 ms 384 KB Output is correct
46 Correct 5 ms 384 KB Output is correct
47 Correct 2 ms 384 KB Output is correct
48 Correct 4 ms 384 KB Output is correct
49 Correct 4 ms 384 KB Output is correct
50 Correct 4 ms 384 KB Output is correct
51 Correct 3 ms 512 KB Output is correct
52 Correct 4 ms 384 KB Output is correct
53 Correct 4 ms 384 KB Output is correct
54 Correct 4 ms 384 KB Output is correct
55 Correct 2 ms 384 KB Output is correct
56 Correct 4 ms 384 KB Output is correct
57 Correct 4 ms 384 KB Output is correct
58 Correct 4 ms 384 KB Output is correct
59 Correct 2 ms 384 KB Output is correct
60 Correct 4 ms 384 KB Output is correct
61 Correct 4 ms 384 KB Output is correct
62 Correct 4 ms 384 KB Output is correct
63 Correct 2 ms 384 KB Output is correct
64 Correct 4 ms 384 KB Output is correct
65 Correct 4 ms 384 KB Output is correct
66 Correct 4 ms 384 KB Output is correct
67 Correct 3 ms 384 KB Output is correct
68 Correct 4 ms 384 KB Output is correct
69 Correct 4 ms 384 KB Output is correct
70 Correct 4 ms 384 KB Output is correct
71 Correct 2 ms 384 KB Output is correct
72 Correct 4 ms 384 KB Output is correct
73 Correct 4 ms 384 KB Output is correct
74 Correct 4 ms 384 KB Output is correct
75 Correct 3 ms 384 KB Output is correct
76 Correct 4 ms 384 KB Output is correct
77 Correct 4 ms 384 KB Output is correct
78 Correct 4 ms 384 KB Output is correct
79 Correct 2 ms 384 KB Output is correct
80 Correct 4 ms 384 KB Output is correct
81 Correct 4 ms 384 KB Output is correct
82 Correct 4 ms 384 KB Output is correct
83 Correct 2 ms 384 KB Output is correct
84 Correct 4 ms 384 KB Output is correct
85 Correct 4 ms 384 KB Output is correct
86 Correct 4 ms 384 KB Output is correct
87 Correct 3 ms 384 KB Output is correct
88 Correct 4 ms 384 KB Output is correct
89 Correct 4 ms 384 KB Output is correct
90 Correct 4 ms 384 KB Output is correct
91 Correct 3 ms 384 KB Output is correct
92 Correct 4 ms 384 KB Output is correct
93 Correct 4 ms 384 KB Output is correct
94 Correct 4 ms 384 KB Output is correct
95 Correct 2 ms 384 KB Output is correct
96 Correct 4 ms 512 KB Output is correct
97 Correct 4 ms 384 KB Output is correct
98 Correct 4 ms 384 KB Output is correct
99 Correct 3 ms 384 KB Output is correct
100 Correct 4 ms 384 KB Output is correct