#include <bits/stdc++.h>
#include "interactive.h"
using namespace std;
int ask(int x);
vector <int> get_pairwise_xor(vector<int> v);
vector<int> guess(int n) {
vector <int> ans , q , aux , aux2;
set <int> ok[10] , s;
int p1 , bit , i , j , taken;
p1 = ask(1);
ans.push_back(p1);
for (bit = 0 ; bit < 7 ; bit++){
q.clear();
for (i = 2 ; i <= n ; i++){
if ((i & (1 << bit)) == 0){
q.push_back(i);
}
}
aux = get_pairwise_xor(q);
q.push_back(1);
aux2 = get_pairwise_xor(q);
i = j = 0;
while (i < aux.size() && j < aux2.size()){
if (aux[i] == aux2[j]){
i++;
j++;
}
else {
if (aux2[j] != 0){
ok[bit].insert(aux2[j] ^ p1);
}
j++;
}
}
while (j < aux2.size()){
if (aux2[j] != 0){
ok[bit].insert(aux2[j] ^ p1);
}
j++;
}
}
for (i = 2 ; i <= n ; i++){
s.clear();
taken = 0;
for (bit = 0 ; bit < 7 ; bit++){
if ( (i & (1 << bit)) == 0 ){
/// valoarea din i trb sa se regaseasca in ok[bit]
if (!taken){
for (set <int> :: iterator it = ok[bit].begin() ; it != ok[bit].end() ; it++)
s.insert(*it);
}
else {
aux.clear();
for (set <int> :: iterator it = s.begin() ; it != s.end() ; it++){
if (ok[bit].find(*it) != ok[bit].end())
aux.push_back(*it);
}
s.clear();
for (j = 0 ; j < aux.size() ; j++)
s.insert(aux[j]);
}
taken = 1;
}
}
/// -------------------------------------------------------------------------
for (bit = 0 ; bit < 7 ; bit++){
if ( (i & (1 << bit))){
/// valoarea din i NU trb sa se regaseasca in ok[bit]
aux.clear();
for (set <int> :: iterator it = s.begin() ; it != s.end() ; it++){
if (ok[bit].find(*it) == ok[bit].end())
aux.push_back(*it);
}
s.clear();
for (j = 0 ; j < aux.size() ; j++)
s.insert(aux[j]);
}
}
if (s.size() == 1){
ans.push_back(*s.begin());
//printf ("%d %d\n" , s.size() , *s.begin());
}
else {
ans.push_back(ask(i));
//printf ("%d %d\n" , s.size() , *s.begin());
}
}
return ans;
}
Compilation message
Xoractive.cpp: In function 'std::vector<int> guess(int)':
Xoractive.cpp:33:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
33 | while (i < aux.size() && j < aux2.size()){
| ~~^~~~~~~~~~~~
Xoractive.cpp:33:36: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
33 | while (i < aux.size() && j < aux2.size()){
| ~~^~~~~~~~~~~~~
Xoractive.cpp:46:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
46 | while (j < aux2.size()){
| ~~^~~~~~~~~~~~~
Xoractive.cpp:84:36: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
84 | for (j = 0 ; j < aux.size() ; j++)
| ~~^~~~~~~~~~~~
Xoractive.cpp:113:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
113 | for (j = 0 ; j < aux.size() ; j++)
| ~~^~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
200 KB |
Output is correct |
2 |
Correct |
1 ms |
200 KB |
Output is correct |
3 |
Correct |
1 ms |
200 KB |
Output is correct |
4 |
Correct |
1 ms |
200 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
328 KB |
Output is correct |
2 |
Correct |
4 ms |
388 KB |
Output is correct |
3 |
Correct |
5 ms |
328 KB |
Output is correct |
4 |
Correct |
5 ms |
328 KB |
Output is correct |
5 |
Correct |
5 ms |
328 KB |
Output is correct |
6 |
Correct |
5 ms |
380 KB |
Output is correct |
7 |
Correct |
4 ms |
328 KB |
Output is correct |
8 |
Correct |
5 ms |
328 KB |
Output is correct |
9 |
Correct |
5 ms |
328 KB |
Output is correct |
10 |
Correct |
4 ms |
328 KB |
Output is correct |
11 |
Correct |
5 ms |
328 KB |
Output is correct |
12 |
Correct |
4 ms |
328 KB |
Output is correct |
13 |
Correct |
6 ms |
328 KB |
Output is correct |
14 |
Correct |
5 ms |
328 KB |
Output is correct |
15 |
Correct |
4 ms |
328 KB |
Output is correct |
16 |
Correct |
5 ms |
328 KB |
Output is correct |
17 |
Correct |
5 ms |
328 KB |
Output is correct |
18 |
Correct |
5 ms |
328 KB |
Output is correct |
19 |
Correct |
4 ms |
328 KB |
Output is correct |
20 |
Correct |
5 ms |
328 KB |
Output is correct |
21 |
Correct |
5 ms |
328 KB |
Output is correct |
22 |
Correct |
5 ms |
328 KB |
Output is correct |
23 |
Correct |
4 ms |
376 KB |
Output is correct |
24 |
Correct |
5 ms |
328 KB |
Output is correct |
25 |
Correct |
4 ms |
328 KB |
Output is correct |
26 |
Correct |
5 ms |
328 KB |
Output is correct |
27 |
Correct |
4 ms |
328 KB |
Output is correct |
28 |
Correct |
5 ms |
328 KB |
Output is correct |
29 |
Correct |
5 ms |
396 KB |
Output is correct |
30 |
Correct |
5 ms |
328 KB |
Output is correct |
31 |
Correct |
5 ms |
328 KB |
Output is correct |
32 |
Correct |
5 ms |
380 KB |
Output is correct |
33 |
Correct |
5 ms |
328 KB |
Output is correct |
34 |
Correct |
5 ms |
328 KB |
Output is correct |
35 |
Correct |
4 ms |
328 KB |
Output is correct |
36 |
Correct |
5 ms |
328 KB |
Output is correct |
37 |
Correct |
5 ms |
328 KB |
Output is correct |
38 |
Correct |
5 ms |
328 KB |
Output is correct |
39 |
Correct |
4 ms |
328 KB |
Output is correct |
40 |
Correct |
4 ms |
328 KB |
Output is correct |
41 |
Correct |
4 ms |
328 KB |
Output is correct |
42 |
Correct |
5 ms |
328 KB |
Output is correct |
43 |
Correct |
4 ms |
328 KB |
Output is correct |
44 |
Correct |
4 ms |
328 KB |
Output is correct |
45 |
Correct |
5 ms |
328 KB |
Output is correct |
46 |
Correct |
4 ms |
328 KB |
Output is correct |
47 |
Correct |
4 ms |
328 KB |
Output is correct |
48 |
Correct |
4 ms |
328 KB |
Output is correct |
49 |
Correct |
4 ms |
328 KB |
Output is correct |
50 |
Correct |
5 ms |
328 KB |
Output is correct |
51 |
Correct |
4 ms |
328 KB |
Output is correct |
52 |
Correct |
4 ms |
328 KB |
Output is correct |
53 |
Correct |
4 ms |
328 KB |
Output is correct |
54 |
Correct |
5 ms |
328 KB |
Output is correct |
55 |
Correct |
4 ms |
328 KB |
Output is correct |
56 |
Correct |
5 ms |
328 KB |
Output is correct |
57 |
Correct |
5 ms |
328 KB |
Output is correct |
58 |
Correct |
5 ms |
328 KB |
Output is correct |
59 |
Correct |
4 ms |
380 KB |
Output is correct |
60 |
Correct |
4 ms |
328 KB |
Output is correct |
61 |
Correct |
5 ms |
328 KB |
Output is correct |
62 |
Correct |
6 ms |
328 KB |
Output is correct |
63 |
Correct |
4 ms |
368 KB |
Output is correct |
64 |
Correct |
4 ms |
384 KB |
Output is correct |
65 |
Correct |
7 ms |
328 KB |
Output is correct |
66 |
Correct |
4 ms |
456 KB |
Output is correct |
67 |
Correct |
5 ms |
328 KB |
Output is correct |
68 |
Correct |
4 ms |
328 KB |
Output is correct |
69 |
Correct |
5 ms |
328 KB |
Output is correct |
70 |
Correct |
6 ms |
328 KB |
Output is correct |
71 |
Correct |
4 ms |
328 KB |
Output is correct |
72 |
Correct |
4 ms |
328 KB |
Output is correct |
73 |
Correct |
5 ms |
328 KB |
Output is correct |
74 |
Correct |
4 ms |
328 KB |
Output is correct |
75 |
Correct |
4 ms |
328 KB |
Output is correct |
76 |
Correct |
5 ms |
328 KB |
Output is correct |
77 |
Correct |
4 ms |
328 KB |
Output is correct |
78 |
Correct |
4 ms |
328 KB |
Output is correct |
79 |
Correct |
4 ms |
328 KB |
Output is correct |
80 |
Correct |
4 ms |
328 KB |
Output is correct |
81 |
Correct |
5 ms |
328 KB |
Output is correct |
82 |
Correct |
4 ms |
328 KB |
Output is correct |
83 |
Correct |
4 ms |
328 KB |
Output is correct |
84 |
Correct |
5 ms |
328 KB |
Output is correct |
85 |
Correct |
5 ms |
328 KB |
Output is correct |
86 |
Correct |
6 ms |
328 KB |
Output is correct |
87 |
Correct |
4 ms |
312 KB |
Output is correct |
88 |
Correct |
5 ms |
328 KB |
Output is correct |
89 |
Correct |
5 ms |
328 KB |
Output is correct |
90 |
Correct |
4 ms |
328 KB |
Output is correct |
91 |
Correct |
4 ms |
328 KB |
Output is correct |
92 |
Correct |
4 ms |
384 KB |
Output is correct |
93 |
Correct |
6 ms |
328 KB |
Output is correct |
94 |
Correct |
5 ms |
328 KB |
Output is correct |
95 |
Correct |
4 ms |
328 KB |
Output is correct |
96 |
Correct |
4 ms |
380 KB |
Output is correct |
97 |
Correct |
5 ms |
328 KB |
Output is correct |
98 |
Correct |
5 ms |
328 KB |
Output is correct |
99 |
Correct |
4 ms |
328 KB |
Output is correct |
100 |
Correct |
5 ms |
328 KB |
Output is correct |