oj.uz

Submission #370955

# Submission time Handle Problem Language Result Execution time Memory
370955 2021-02-25T08:45:06 Z casperwang Xoractive (IZhO19_xoractive) C++14
100 / 100
 3 ms 512 KB 
#include "interactive.h"
#include <bits/stdc++.h>
#define pb push_back
using namespace std;
#define debug(args...) kout("[ " + string(#args) + " ]", args)
void kout() { cerr << endl; }
template <class T, class ...U> void kout(T a, U ...b) { cerr << a << ' ',kout(b...); }
template <class T> void pary(T L, T R) { while (L != R) cerr << *L << " \n"[++L==R]; }

const int MAXN = 100;
int n;
vector <int> ans;
map <int,int> pos;

vector<int> guess(int N) {
  ans.clear(), ans.resize(N);
  ans[0] = ask(1);
  for (int i = 0; (1<<i) < N; i++) {
    vector <int> G;
    for (int j = 1; j <= N-1; j++)
      if (j & (1<<i)) G.pb(j+1);
    vector <int> exp = get_pairwise_xor(G);
    G.pb(1);
    vector <int> all = get_pairwise_xor(G);
    int j = 0;
    for (int k = 0; k < exp.size(); k++, j++)
      while (all[j] != exp[k])
        pos[all[j++] ^ ans[0]] |= (1<<i);
    while (j < all.size())
      pos[all[j++] ^ ans[0]] |= (1<<i);
  }
  for (auto [v, p] : pos) 
    if (v != ans[0])
      ans[p] = v;
	return ans;
}

Compilation message

Xoractive.cpp: In function 'std::vector<int> guess(int)':
Xoractive.cpp:26:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |     for (int k = 0; k < exp.size(); k++, j++)
      |                     ~~^~~~~~~~~~~~
Xoractive.cpp:29:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |     while (j < all.size())
      |            ~~^~~~~~~~~~~~
Xoractive.cpp:32:13: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   32 |   for (auto [v, p] : pos)
      |             ^

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 368 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct

Subtask #2
94.0 / 94.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 364 KB Output is correct
2 Correct 2 ms 364 KB Output is correct
3 Correct 2 ms 364 KB Output is correct
4 Correct 2 ms 364 KB Output is correct
5 Correct 2 ms 364 KB Output is correct
6 Correct 2 ms 364 KB Output is correct
7 Correct 2 ms 364 KB Output is correct
8 Correct 3 ms 364 KB Output is correct
9 Correct 2 ms 364 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 2 ms 364 KB Output is correct
12 Correct 2 ms 512 KB Output is correct
13 Correct 2 ms 364 KB Output is correct
14 Correct 2 ms 364 KB Output is correct
15 Correct 2 ms 364 KB Output is correct
16 Correct 2 ms 364 KB Output is correct
17 Correct 2 ms 364 KB Output is correct
18 Correct 2 ms 364 KB Output is correct
19 Correct 2 ms 364 KB Output is correct
20 Correct 3 ms 364 KB Output is correct
21 Correct 3 ms 364 KB Output is correct
22 Correct 2 ms 364 KB Output is correct
23 Correct 2 ms 364 KB Output is correct
24 Correct 2 ms 364 KB Output is correct
25 Correct 2 ms 364 KB Output is correct
26 Correct 2 ms 364 KB Output is correct
27 Correct 2 ms 364 KB Output is correct
28 Correct 2 ms 364 KB Output is correct
29 Correct 2 ms 364 KB Output is correct
30 Correct 2 ms 364 KB Output is correct
31 Correct 2 ms 364 KB Output is correct
32 Correct 2 ms 364 KB Output is correct
33 Correct 2 ms 364 KB Output is correct
34 Correct 2 ms 364 KB Output is correct
35 Correct 2 ms 364 KB Output is correct
36 Correct 2 ms 364 KB Output is correct
37 Correct 3 ms 364 KB Output is correct
38 Correct 2 ms 492 KB Output is correct
39 Correct 2 ms 364 KB Output is correct
40 Correct 2 ms 364 KB Output is correct
41 Correct 2 ms 364 KB Output is correct
42 Correct 2 ms 364 KB Output is correct
43 Correct 2 ms 364 KB Output is correct
44 Correct 2 ms 364 KB Output is correct
45 Correct 2 ms 364 KB Output is correct
46 Correct 2 ms 364 KB Output is correct
47 Correct 3 ms 364 KB Output is correct
48 Correct 3 ms 364 KB Output is correct
49 Correct 2 ms 364 KB Output is correct
50 Correct 2 ms 364 KB Output is correct
51 Correct 2 ms 364 KB Output is correct
52 Correct 2 ms 364 KB Output is correct
53 Correct 2 ms 364 KB Output is correct
54 Correct 2 ms 364 KB Output is correct
55 Correct 2 ms 364 KB Output is correct
56 Correct 2 ms 364 KB Output is correct
57 Correct 2 ms 364 KB Output is correct
58 Correct 3 ms 364 KB Output is correct
59 Correct 2 ms 364 KB Output is correct
60 Correct 2 ms 364 KB Output is correct
61 Correct 2 ms 364 KB Output is correct
62 Correct 2 ms 364 KB Output is correct
63 Correct 2 ms 364 KB Output is correct
64 Correct 2 ms 364 KB Output is correct
65 Correct 2 ms 364 KB Output is correct
66 Correct 2 ms 396 KB Output is correct
67 Correct 2 ms 364 KB Output is correct
68 Correct 2 ms 364 KB Output is correct
69 Correct 3 ms 364 KB Output is correct
70 Correct 2 ms 492 KB Output is correct
71 Correct 2 ms 364 KB Output is correct
72 Correct 2 ms 492 KB Output is correct
73 Correct 2 ms 364 KB Output is correct
74 Correct 2 ms 364 KB Output is correct
75 Correct 2 ms 364 KB Output is correct
76 Correct 2 ms 364 KB Output is correct
77 Correct 2 ms 364 KB Output is correct
78 Correct 2 ms 364 KB Output is correct
79 Correct 2 ms 364 KB Output is correct
80 Correct 2 ms 384 KB Output is correct
81 Correct 3 ms 364 KB Output is correct
82 Correct 2 ms 364 KB Output is correct
83 Correct 2 ms 364 KB Output is correct
84 Correct 2 ms 364 KB Output is correct
85 Correct 2 ms 364 KB Output is correct
86 Correct 2 ms 364 KB Output is correct
87 Correct 2 ms 364 KB Output is correct
88 Correct 2 ms 364 KB Output is correct
89 Correct 2 ms 364 KB Output is correct
90 Correct 2 ms 364 KB Output is correct
91 Correct 2 ms 364 KB Output is correct
92 Correct 3 ms 364 KB Output is correct
93 Correct 3 ms 364 KB Output is correct
94 Correct 3 ms 364 KB Output is correct
95 Correct 2 ms 364 KB Output is correct
96 Correct 2 ms 364 KB Output is correct
97 Correct 2 ms 384 KB Output is correct
98 Correct 2 ms 364 KB Output is correct
99 Correct 2 ms 364 KB Output is correct
100 Correct 2 ms 364 KB Output is correct