#include <bits/stdc++.h>
#include "interactive.h"
using namespace std;
#define _USE_MATH_DEFINES_
#define ll long long
#define ld long double
#define Accepted 0
#define pb push_back
#define mp make_pair
#define sz(x) (int)(x.size())
#define every(x) x.begin(),x.end()
#define F first
#define S second
#define lb lower_bound
#define ub upper_bound
#define For(i,x,y) for (ll i = x; i <= y; i ++)
#define FOr(i,x,y) for (ll i = x; i >= y; i --)
const int dx[] = {-1, 0, 1, 0};
const int dy[] = {0, -1, 0, 1};
vector<int> a;
set<int> getMn(set<int> ind) {
set<int> ans;
if (ind.empty())
return ans;
vector<int> pos;
for (auto i = ind.begin(); i != ind.end(); i++)
pos.pb(*i);
pos.pb(1);
vector<int> px1 = get_pairwise_xor(pos);
pos.pop_back();
vector<int> px2 = get_pairwise_xor(pos);
multiset<int> temp;
for (int i = 0; i < px1.size(); i++)
temp.insert(px1[i]);
for (int i = 0; i < px2.size(); i++)
temp.erase(temp.find(px2[i]));
for (auto i = temp.begin(); i != temp.end(); i++)
ans.insert(*i ^ a[1]);
ans.erase(a[1]);
return ans;
}
vector<int> guess(int n) {
a.resize(n + 1);
set<int> all;
a[1] = ask(1);
vector< vector< set<int> > > mn(7, vector< set<int> >(2)), ind(7, vector< set<int> >(2));
for (int i = 2; i <= n; i++) {
for (int j = 6; j >= 0; j--) {
ind[j][(i & (1 << j))].insert(i);
}
}
for (int j = 6; j >= 0; j--) {
mn[j][1] = getMn(ind[j][1]);
for (auto i = mn[j][1].begin(); i != mn[j][1].end(); i++)
all.insert(*i);
}
for (int j = 6; j >= 0; j--) {
mn[j][0] = all;
for (auto i = mn[j][1].begin(); i != mn[j][1].end(); i++)
mn[j][0].erase(*i);
}
for (int i = 2; i <= n; i++) {
set<int> cur = all;
for (int j = 6; j >= 0; j--) {
for (auto it = all.begin(); it != all.end(); it++) {
if (mn[j][(i & (1 << j))].find(*it) == mn[j][(i & (1 << j))].end())
cur.erase(*it);
}
}
a[i] = *cur.begin();
}
vector < int > ans;
for (int i = 1; i <= n; i++)
ans.pb(a[i]);
return ans;
}
// B...a
Compilation message
Xoractive.cpp: In function 'std::set<int> getMn(std::set<int>)':
Xoractive.cpp:37:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int i = 0; i < px1.size(); i++)
~~^~~~~~~~~~~~
Xoractive.cpp:39:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int i = 0; i < px2.size(); i++)
~~^~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
2 ms |
376 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
2 ms |
504 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 2 |
Halted |
0 ms |
0 KB |
- |
