#include <bits/stdc++.h>
#include "interactive.h"
using namespace std;
vector<int> multisetDifference(vector<int> a, vector<int> b){
sort(a.begin(), a.end());
multiset<int> msb(b.begin(), b.end());
vector<int> out;
for(int x : a){
if(msb.find(x) == msb.end()){
out.push_back(x);
}else{
msb.erase(msb.find(x));
}
}
return out;
}
vector<int> setDifference(vector<int> a, vector<int> b){
sort(a.begin(), a.end());
sort(b.begin(), b.end());
/*
for(int i = 1; i < a.size(); i++) assert(a[i-1] <= a[i]);
for(int i = 1; i < b.size(); i++) assert(b[i-1] <= b[i]);
*/
vector<int> out;
for(int x : a){
if(!binary_search(b.begin(), b.end(), x)) out.push_back(x);
}
return out;
}
int front;
int lb[256];
int rb[256];
vector<int> qdep[8];
vector<int> ansdep[8];
vector<int> seg[256];
void build(int c, int l, int r, int dep = 0){
lb[c] = l;
rb[c] = r;
qdep[dep].push_back(c);
if(l == r) return;
int k = (l+r)/2;
build(2*c, l, k, dep+1);
build(2*c+1, k+1, r, dep+1);
}
void propagate(int c, int dep = 0){
if(c == 1) seg[1] = ansdep[0];
else if(c % 2 == 0){
seg[c] = setDifference(seg[c/2], seg[c+1]);
}else{
seg[c] = setDifference(seg[c/2], ansdep[dep]);
}
if(lb[c] == rb[c]) return;
propagate(2*c+1, dep+1);
propagate(2*c, dep+1);
}
void collect(int c, vector<int>& ans){
if(lb[c] == rb[c]){
if(!seg[c].empty()) ans.push_back(seg[c].front());
return;
}
collect(2*c, ans);
collect(2*c+1, ans);
}
vector<int> guess(int n) {
front = ask(1);
build(1, 1, n+1);
for(int i = 1; i < 8; i++){
if(qdep[i].empty()) break;
vector<int> query;
for(int x : qdep[i]){
if(x % 2 == 0 || x == 1){
for(int j = lb[x]; j <= rb[x] && j <= n; j++) query.push_back(j);
}
}
if(query.empty()) break;
assert(query.front() == 1);
vector<int> i1 = get_pairwise_xor(query);
query.erase(query.begin());
vector<int> i2 = query.empty() ? vector<int>() : get_pairwise_xor(query);
vector<int> cur = multisetDifference(i1, i2);
sort(cur.begin(), cur.end());
cur.resize(unique(cur.begin(), cur.end()) - cur.begin());
for(int& x : cur) x ^= front;
if(cur.empty() || cur.front() != front) cur.insert(cur.begin(), front);
ansdep[i] = cur;
for(int x : cur) ansdep[0].push_back(x);
}
sort(ansdep[0].begin(), ansdep[0].end());
ansdep[0].resize(unique(ansdep[0].begin(), ansdep[0].end()) - ansdep[0].begin());
propagate(1);
vector<int> ans;
collect(1, ans);
return ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 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 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
512 KB |
Output is correct |
2 |
Correct |
6 ms |
512 KB |
Output is correct |
3 |
Correct |
5 ms |
512 KB |
Output is correct |
4 |
Correct |
7 ms |
640 KB |
Output is correct |
5 |
Correct |
6 ms |
512 KB |
Output is correct |
6 |
Correct |
7 ms |
512 KB |
Output is correct |
7 |
Correct |
6 ms |
512 KB |
Output is correct |
8 |
Correct |
5 ms |
512 KB |
Output is correct |
9 |
Correct |
6 ms |
512 KB |
Output is correct |
10 |
Correct |
5 ms |
512 KB |
Output is correct |
11 |
Correct |
5 ms |
512 KB |
Output is correct |
12 |
Correct |
5 ms |
532 KB |
Output is correct |
13 |
Correct |
5 ms |
512 KB |
Output is correct |
14 |
Correct |
6 ms |
512 KB |
Output is correct |
15 |
Correct |
5 ms |
512 KB |
Output is correct |
16 |
Correct |
6 ms |
512 KB |
Output is correct |
17 |
Correct |
6 ms |
512 KB |
Output is correct |
18 |
Correct |
5 ms |
512 KB |
Output is correct |
19 |
Correct |
5 ms |
512 KB |
Output is correct |
20 |
Correct |
6 ms |
512 KB |
Output is correct |
21 |
Correct |
6 ms |
512 KB |
Output is correct |
22 |
Correct |
6 ms |
512 KB |
Output is correct |
23 |
Correct |
5 ms |
512 KB |
Output is correct |
24 |
Correct |
6 ms |
512 KB |
Output is correct |
25 |
Correct |
5 ms |
512 KB |
Output is correct |
26 |
Correct |
5 ms |
512 KB |
Output is correct |
27 |
Correct |
5 ms |
512 KB |
Output is correct |
28 |
Correct |
6 ms |
512 KB |
Output is correct |
29 |
Correct |
6 ms |
512 KB |
Output is correct |
30 |
Correct |
5 ms |
512 KB |
Output is correct |
31 |
Correct |
5 ms |
512 KB |
Output is correct |
32 |
Correct |
5 ms |
512 KB |
Output is correct |
33 |
Correct |
6 ms |
512 KB |
Output is correct |
34 |
Correct |
6 ms |
512 KB |
Output is correct |
35 |
Correct |
5 ms |
512 KB |
Output is correct |
36 |
Correct |
6 ms |
512 KB |
Output is correct |
37 |
Correct |
5 ms |
512 KB |
Output is correct |
38 |
Correct |
5 ms |
512 KB |
Output is correct |
39 |
Correct |
6 ms |
512 KB |
Output is correct |
40 |
Correct |
5 ms |
512 KB |
Output is correct |
41 |
Correct |
5 ms |
512 KB |
Output is correct |
42 |
Correct |
6 ms |
512 KB |
Output is correct |
43 |
Correct |
5 ms |
512 KB |
Output is correct |
44 |
Correct |
5 ms |
512 KB |
Output is correct |
45 |
Correct |
6 ms |
512 KB |
Output is correct |
46 |
Correct |
5 ms |
512 KB |
Output is correct |
47 |
Correct |
5 ms |
512 KB |
Output is correct |
48 |
Correct |
5 ms |
512 KB |
Output is correct |
49 |
Correct |
5 ms |
512 KB |
Output is correct |
50 |
Correct |
5 ms |
512 KB |
Output is correct |
51 |
Correct |
5 ms |
512 KB |
Output is correct |
52 |
Correct |
6 ms |
512 KB |
Output is correct |
53 |
Correct |
5 ms |
512 KB |
Output is correct |
54 |
Correct |
6 ms |
512 KB |
Output is correct |
55 |
Correct |
5 ms |
512 KB |
Output is correct |
56 |
Correct |
6 ms |
512 KB |
Output is correct |
57 |
Correct |
6 ms |
512 KB |
Output is correct |
58 |
Correct |
5 ms |
512 KB |
Output is correct |
59 |
Correct |
5 ms |
512 KB |
Output is correct |
60 |
Correct |
5 ms |
512 KB |
Output is correct |
61 |
Correct |
6 ms |
512 KB |
Output is correct |
62 |
Correct |
6 ms |
512 KB |
Output is correct |
63 |
Correct |
5 ms |
512 KB |
Output is correct |
64 |
Correct |
5 ms |
512 KB |
Output is correct |
65 |
Correct |
6 ms |
512 KB |
Output is correct |
66 |
Correct |
5 ms |
512 KB |
Output is correct |
67 |
Correct |
5 ms |
512 KB |
Output is correct |
68 |
Correct |
5 ms |
512 KB |
Output is correct |
69 |
Correct |
6 ms |
512 KB |
Output is correct |
70 |
Correct |
6 ms |
512 KB |
Output is correct |
71 |
Correct |
5 ms |
580 KB |
Output is correct |
72 |
Correct |
7 ms |
672 KB |
Output is correct |
73 |
Correct |
6 ms |
512 KB |
Output is correct |
74 |
Correct |
6 ms |
512 KB |
Output is correct |
75 |
Correct |
6 ms |
672 KB |
Output is correct |
76 |
Correct |
6 ms |
512 KB |
Output is correct |
77 |
Correct |
5 ms |
512 KB |
Output is correct |
78 |
Correct |
5 ms |
512 KB |
Output is correct |
79 |
Correct |
5 ms |
512 KB |
Output is correct |
80 |
Correct |
5 ms |
512 KB |
Output is correct |
81 |
Correct |
6 ms |
512 KB |
Output is correct |
82 |
Correct |
5 ms |
512 KB |
Output is correct |
83 |
Correct |
5 ms |
512 KB |
Output is correct |
84 |
Correct |
6 ms |
512 KB |
Output is correct |
85 |
Correct |
6 ms |
512 KB |
Output is correct |
86 |
Correct |
6 ms |
512 KB |
Output is correct |
87 |
Correct |
5 ms |
512 KB |
Output is correct |
88 |
Correct |
6 ms |
512 KB |
Output is correct |
89 |
Correct |
6 ms |
512 KB |
Output is correct |
90 |
Correct |
6 ms |
512 KB |
Output is correct |
91 |
Correct |
5 ms |
512 KB |
Output is correct |
92 |
Correct |
5 ms |
512 KB |
Output is correct |
93 |
Correct |
5 ms |
512 KB |
Output is correct |
94 |
Correct |
5 ms |
512 KB |
Output is correct |
95 |
Correct |
5 ms |
512 KB |
Output is correct |
96 |
Correct |
5 ms |
512 KB |
Output is correct |
97 |
Correct |
5 ms |
512 KB |
Output is correct |
98 |
Correct |
5 ms |
512 KB |
Output is correct |
99 |
Correct |
5 ms |
512 KB |
Output is correct |
100 |
Correct |
6 ms |
512 KB |
Output is correct |