#include "monster.h"
#include <bits/stdc++.h>
using namespace std;
mt19937 rng(45345345);
vector<vector<int> > m(1000, vector<int>(1000, -1));
bool ask(int a, int b){
if(m[a][b] == -1){
m[a][b] = Query(a,b);
m[b][a] = 1 - m[a][b];
}
return m[a][b];
}
vector<int> solve2(vector<int> v){
if(v.size() == 1) return v;
vector<int> left, right;
for(int i = 0; i < v.size(); i++)
if(i < v.size()/2) left.push_back(v[i]);
else right.push_back(v[i]);
left = solve2(left), right = solve2(right);
vector<int> res;
/*for(int& a : left) cout << a << " ";
cout << "\n";
for(int& a : right) cout << a << " ";
cout << "\n";
cout << "\n";*/
for(int l = 0, r = 0; l < left.size() || r < right.size();){
if(r == right.size() || (l < left.size() && ask(right[r], left[l]))) res.push_back(left[l++]);
else res.push_back(right[r++]);
}
return res;
}
std::vector<int> Solve(int N) {
vector<int> v;
for(int i = 0; i < N ; i++) v.push_back(i);
v = solve2(v);
/*for(int& a : v) cout<<a<<" ";
cout << "\n";*/
int cnt = 0, j = 0;
for(int i = 1; i < N; i++) cnt += ask(v[0], v[i]);
if(cnt == 1){
if(ask(v[0], v[1])) j = 1;
else{
int cnt2 = 0;
for(int i = 0; i < N; i++) if(i != 1) cnt2 += ask(v[1], v[i]);
if(cnt2 != 1) j = 1;
else swap(v[0], v[1]), j = 2;
}
}
for(int i = j; i < N; i++){
if(!ask(v[i], v[i+1])){
int l = 1;
while(i+l+1 < N && ask(v[i], v[i+l+1])) l++;
for(int j = 0; j < (l+1)/2; j++) swap(v[i], v[i+l-j]);
i += l;
}
}
/*for(int& a : v) cout<<a<<" ";
cout << "\n";*/
vector<int> T(N);
for(int i = 0; i < N; i++) T[v[i]] = i;
/*for(int& a : T) cout<<a<<" ";
cout << "\n";*/
return T;
}
Compilation message
monster.cpp: In function 'std::vector<int> solve2(std::vector<int>)':
monster.cpp:19:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
19 | for(int i = 0; i < v.size(); i++)
| ~~^~~~~~~~~~
monster.cpp:20:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
20 | if(i < v.size()/2) left.push_back(v[i]);
| ~~^~~~~~~~~~~~
monster.cpp:29:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
29 | for(int l = 0, r = 0; l < left.size() || r < right.size();){
| ~~^~~~~~~~~~~~~
monster.cpp:29:46: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
29 | for(int l = 0, r = 0; l < left.size() || r < right.size();){
| ~~^~~~~~~~~~~~~~
monster.cpp:30:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
30 | if(r == right.size() || (l < left.size() && ask(right[r], left[l]))) res.push_back(left[l++]);
| ~~^~~~~~~~~~~~~~~
monster.cpp:30:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
30 | if(r == right.size() || (l < left.size() && ask(right[r], left[l]))) res.push_back(left[l++]);
| ~~^~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
4184 KB |
Output is correct |
| 2 |
Correct |
2 ms |
4380 KB |
Output is correct |
| 3 |
Correct |
2 ms |
4184 KB |
Output is correct |
| 4 |
Correct |
2 ms |
4184 KB |
Output is correct |
| 5 |
Incorrect |
2 ms |
4184 KB |
Wrong Answer [3] |
| 6 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
4184 KB |
Output is correct |
| 2 |
Correct |
2 ms |
4380 KB |
Output is correct |
| 3 |
Correct |
2 ms |
4184 KB |
Output is correct |
| 4 |
Correct |
2 ms |
4184 KB |
Output is correct |
| 5 |
Incorrect |
2 ms |
4184 KB |
Wrong Answer [3] |
| 6 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
67 ms |
4440 KB |
Wrong Answer [3] |
| 2 |
Halted |
0 ms |
0 KB |
- |
