# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
319501 |
2020-11-05T12:24:30 Z |
Vimmer |
Fun Tour (APIO20_fun) |
C++14 |
|
2 ms |
2688 KB |
#include <bits/stdc++.h>
#include "fun.h"
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
//#pragma GCC optimize("unroll-loops")
//#pragma GCC optimize("-O3")
//#pragma GCC optimize("Ofast")
//#pragma GCC optimize("fast-math")
//#pragma GCC optimize("no-stack-protector")
#define N 100100
#define F first
#define S second
#define M ll(1e9 + 7)
#define endl '\n'
#define all(x) x.begin(), x.end()
#define PB push_back
#define sz(x) ll(x.size())
#define pw(x) (1ll << x)
#define pwr(x) ((1ll << x) - 1)
#define _ << " " <<
#define pri(s) cout << s << endl
using namespace std;
//using namespace __gnu_pbds;
typedef long long ll;
typedef long double ld;
typedef short int si;
typedef unsigned long long ull;
//typedef tree<int, null_type, less <int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;
vector <int> g[N];
int mx, nm;
bool mk[N];
set <int> sl, sr;
void dfs(int v, int p, int h)
{
if (h > mx && !mk[v]) {mx = h; nm = v;}
for (auto it : g[v])
{
if (it == p) continue;
dfs(it, v, h + 1);
}
}
void make(int n, int root)
{
sl.clear();
sr.clear();
vector <int> vr; vr.clear();
int j = 0;
sl.insert(root);
if (!mk[root + root] && root + root < n)
{
sl.insert(root + root);
vr.PB(root + root);
}
while (j < sz(vr))
{
int x = vr[j++];
if (!mk[x + x] && x + x <= n) {sl.insert(x + x); vr.PB(x + x);}
if (!mk[x + x + 1] && x + x + 1 <= n) {sl.insert(x + x + 1); vr.PB(x + x + 1);}
}
vr.clear();
j = 0;
sr.insert(root);
if (!mk[root + root + 1] && root + root + 1 < n)
{
sr.insert(root + root + 1);
vr.PB(root + root + 1);
}
while (j < sz(vr))
{
int x = vr[j++];
if (!mk[x + x] && x + x <= n) {sr.insert(x + x); vr.PB(x + x);}
if (!mk[x + x + 1] && x + x + 1 <= n) {sr.insert(x + x + 1); vr.PB(x + x + 1);}
}
}
vector <int> vr;
void dob(int v, bool f)
{
mk[v] = 1;
vr.PB(v);
if (f) sr.erase(v);
else sl.erase(v);
}
vector<int> createFunTour(int n, int q)
{
// if(n > 1)
// {
if (n == 1) return {0};
if (n == 2) return {0, 1};
if (n == 3) return {1, 2, 0};
if (n > 100) return {};
int root = 1;
make(n, root);
int cur = *sl.rbegin();
dob(cur, 0);
while (sz(vr) < n)
{
int mx = *sr.rbegin();
dob(mx, 1);
cur = mx;
if (sz(vr) == n) break;
if (cur == root) {root *= 2; make(n, root);}
mx = *sl.rbegin();
dob(mx, 0);
cur = mx;
}
for (int i = 0; i < sz(vr); i++) vr[i]--;
return vr;
// }
// for (int i = 0; i < n; i++)
// for (int j = i + 1; j < n; j++)
// if (hoursRequired(i, j) == 1) {g[i].PB(j); g[j].PB(i);}
// dfs(0, -1, 1);
//
// int root = nm;
//
// mx = -1;
//
// dfs(root, -1, 1);
//
// root = nm;
//
// vr.PB(root);
//
// mk[root] = 1;
//
// while (sz(vr) < n)
// {
// mx = -1;
//
// dfs(root, -1, 1);
//
// root = nm;
//
// mk[root] = 1;
//
// vr.PB(root);
// }
//
// return vr;
}
//int main()
//{
// ios_base::sync_with_stdio(0); istream::sync_with_stdio(0); cin.tie(0); cout.tie(0);
//
// int n;
//
// cin >> n;
//
// vector <int> vr = createFunTour(n, -1);
//
// for (auto it : vr) cout << it << " ";
//}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
2668 KB |
Tour is not fun |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
2668 KB |
Tour is not fun |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
2668 KB |
Output is correct |
2 |
Correct |
2 ms |
2668 KB |
Output is correct |
3 |
Correct |
2 ms |
2668 KB |
Output is correct |
4 |
Correct |
2 ms |
2668 KB |
Output is correct |
5 |
Correct |
2 ms |
2668 KB |
Output is correct |
6 |
Correct |
2 ms |
2688 KB |
Output is correct |
7 |
Correct |
2 ms |
2668 KB |
Output is correct |
8 |
Correct |
2 ms |
2668 KB |
Output is correct |
9 |
Correct |
2 ms |
2668 KB |
Output is correct |
10 |
Correct |
2 ms |
2668 KB |
Output is correct |
11 |
Correct |
2 ms |
2668 KB |
Output is correct |
12 |
Incorrect |
2 ms |
2668 KB |
Invalid size |
13 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
2668 KB |
Output is correct |
2 |
Correct |
2 ms |
2668 KB |
Output is correct |
3 |
Correct |
2 ms |
2668 KB |
Output is correct |
4 |
Incorrect |
2 ms |
2668 KB |
Tour is not fun |
5 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
2668 KB |
Tour is not fun |