| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 309166 | 2020-10-02T19:39:34 Z | Vimmer | Counting Mushrooms (IOI20_mushrooms) | C++14 | 15 ms | 1448 KB |
#include <bits/stdc++.h>
#include "mushrooms.h"
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
#define N 100005
#define PB push_back
#define sz(x) int(x.size())
#define F first
#define M ll(1e9 + 7)
#define S second
#define all(x) x.begin(), x.end()
#define endl '\n'
//#pragma GCC optimize("unroll-loops")
//#pragma GCC optimize("-O3")
//#pragma GCC optimize("Ofast")
//#pragma GCC optimize("fast-math")
//#pragma GCC optimize("no-stack-protector")
using namespace std;
//using namespace __gnu_pbds;
typedef long long ll;
//typedef tree <int, null_type, less_equal <int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;
int val[N], kol, sum = 0;
//int use_machine(vector <int> &pr)
//{
//
// set <int> se; se.clear();
//
// sum += sz(pr);
//
// if (sz(pr) < 2) exit(0);
//
// kol++;
//
// int ans = 0;
//
// for (int i = 1; i < sz(pr); i++)
// if (val[pr[i]] != val[pr[i - 1]]) ans++;
//
// if (kol < 4) {for (auto it : pr) cout << it << " "; cout << endl; cout << ans << endl;}
//
// return ans;
//}
int skok = 100;
int ask(vector <int> &m) { return use_machine(m);}
int ask(set <int> &se) {vector <int> m; m.clear(); for (auto it : se) m.PB(it); return use_machine(m);}
ll mlt(ll x, ll y) {return (x * y) % M;}
ll sm(ll x, ll y) {return (x + y) % M;}
vector <int> tr, tl;
int es_minus_3(set <int> &se)
{
int ans = sz(tr);
while (sz(se) > 0)
{
int i = 0;
vector <int> m; m.clear();
if (sz(tr) > sz(tl))
{
while (i < sz(tr) && sz(se) > 0)
{
m.PB(tr[i++]);
m.PB(*se.begin());
se.erase(se.begin());
}
int val = ask(m);
int koler = (sz(m) / 2) - (val / 2);
if (val % 2) {koler--; tl.PB(m.back());}
else tr.PB(m.back());
ans += koler;
}
else
{
while (i < sz(tl) && sz(se) > 0)
{
m.PB(tl[i++]);
m.PB(*se.begin());
se.erase(se.begin());
}
int val = ask(m);
int koler = val / 2;
if (val % 2) {tr.PB(m.back()); koler++;}
else tl.PB(m.back());
ans += koler;
}
}
return ans;
}
void dec(set <int> &se) {se.erase(se.begin());}
int count_mushrooms(int n)
{
tr.PB(0);
vector <int> m; m.clear();
m.PB(0);
set <int> se; se.clear();
for (int i = 1; i < n; i++) se.insert(i);
if (n > 500)
{
vector <int> m = {0, *se.begin()};
dec(se);
if (ask(m) == 0)
{
tr.PB(m.back());
m.resize(4);
m[0] = 0;
m[2] = tr[1];
m[1] = *se.begin();
dec(se);
m[3] = *se.begin();
dec(se);
int val = ask(m);
if (val == 0) {tr.PB(m[1]); tr.PB(m[3]);} else
if (val == 1) {tr.PB(m[1]); tl.PB(m[3]);} else
if (val == 2) {tr.PB(m[3]); tl.PB(m[1]);} else
if (val == 3) {tl.PB(m[1]); tl.PB(m[3]);}
int i = 0;
while (max(sz(tl), sz(tr)) < skok)
{
m[1] = *se.begin();
dec(se);
m[3] = *se.begin();
dec(se);
val = ask(m);
if (val == 0) {tr.PB(m[1]); tr.PB(m[3]);} else
if (val == 1) {tr.PB(m[1]); tl.PB(m[3]);} else
if (val == 2) {tr.PB(m[3]); tl.PB(m[1]);} else
if (val == 3) {tl.PB(m[1]); tl.PB(m[3]);}
i++;
}
}
else
{
tl.PB(m[1]);
m[1] = *se.begin();
dec(se);
if (ask(m) != 0)
{
tl.PB(m[1]);
m.clear();
m.PB(tl[0]);
m.PB(*se.begin());
dec(se);
m.PB(tl[1]);
m.PB(*se.begin());
dec(se);
int val = ask(m);
if (val == 0) {tl.PB(m[1]); tl.PB(m[3]);}
if (val == 1) {tl.PB(m[1]); tr.PB(m[3]);}
if (val == 2) {tl.PB(m[3]); tr.PB(m[1]);}
if (val == 3) {tr.PB(m[1]); tr.PB(m[3]);}
int i = 0;
while (max(sz(tl), sz(tr)) < skok)
{
m[1] = *se.begin(); dec(se);
m[3] = *se.begin(); dec(se);
val = ask(m);
if (val == 0) {tl.PB(m[1]); tl.PB(m[3]);}
if (val == 1) {tl.PB(m[1]); tr.PB(m[3]);}
if (val == 2) {tl.PB(m[3]); tr.PB(m[1]);}
if (val == 3) {tr.PB(m[1]); tr.PB(m[3]);}
i++;
}
}
else
{
tr.PB(m.back());
m.resize(4);
m[0] = 0;
m[2] = tr[1];
m[1] = *se.begin();
dec(se);
m[3] = *se.begin();
dec(se);
int val = ask(m);
if (val == 0) {tr.PB(m[1]); tr.PB(m[3]);} else
if (val == 1) {tr.PB(m[1]); tl.PB(m[3]);} else
if (val == 2) {tr.PB(m[3]); tl.PB(m[1]);} else
if (val == 3) {tl.PB(m[1]); tl.PB(m[3]);}
int i = 0;
while (max(sz(tl), sz(tr)) < skok)
{
m[1] = *se.begin();
dec(se);
m[3] = *se.begin();
dec(se);
val = ask(m);
if (val == 0) {tr.PB(m[1]); tr.PB(m[3]);} else
if (val == 1) {tr.PB(m[1]); tl.PB(m[3]);} else
if (val == 2) {tr.PB(m[3]); tl.PB(m[1]);} else
if (val == 3) {tl.PB(m[1]); tl.PB(m[3]);}
i++;
}
}
}
}
return es_minus_3(se);
}
//int main()
//{
// iostream::sync_with_stdio(0); ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
//
// freopen("1.in", "r", stdin); //freopen("fcolor.out", "w", stdout);
//
// int n;
//
// cin >> n;
//
// int num = 0;
//
// for (int i = 0; i < n; i++) {cin >> val[i]; if (val[i] == 0) num++;}
//
// cout << num << endl;
// cout << count_mushrooms(n) << endl;
//
//
// cout << kol << " " << sum << endl;
//}
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 0 ms | 384 KB | Output is correct |
| 2 | Correct | 0 ms | 384 KB | Output is correct |
| 3 | Correct | 1 ms | 256 KB | Output is correct |
| 4 | Correct | 0 ms | 256 KB | Output is correct |
| 5 | Correct | 1 ms | 384 KB | Output is correct |
| 6 | Correct | 3 ms | 384 KB | Output is correct |
| 7 | Correct | 10 ms | 1280 KB | Output is correct |
| 8 | Correct | 11 ms | 1324 KB | Output is correct |
| 9 | Correct | 10 ms | 1320 KB | Output is correct |
| 10 | Correct | 11 ms | 1280 KB | Output is correct |
| 11 | Partially correct | 11 ms | 1280 KB | Output is partially correct |
| 12 | Correct | 11 ms | 1280 KB | Output is correct |
| 13 | Correct | 11 ms | 1280 KB | Output is correct |
| 14 | Correct | 7 ms | 768 KB | Output is correct |
| 15 | Partially correct | 11 ms | 1280 KB | Output is partially correct |
| 16 | Partially correct | 11 ms | 1280 KB | Output is partially correct |
| 17 | Correct | 6 ms | 768 KB | Output is correct |
| 18 | Correct | 10 ms | 1280 KB | Output is correct |
| 19 | Partially correct | 11 ms | 1280 KB | Output is partially correct |
| 20 | Correct | 11 ms | 1280 KB | Output is correct |
| 21 | Correct | 13 ms | 1280 KB | Output is correct |
| 22 | Partially correct | 10 ms | 1320 KB | Output is partially correct |
| 23 | Correct | 10 ms | 1324 KB | Output is correct |
| 24 | Correct | 5 ms | 856 KB | Output is correct |
| 25 | Partially correct | 11 ms | 1280 KB | Output is partially correct |
| 26 | Partially correct | 13 ms | 1280 KB | Output is partially correct |
| 27 | Partially correct | 11 ms | 1280 KB | Output is partially correct |
| 28 | Partially correct | 10 ms | 1324 KB | Output is partially correct |
| 29 | Partially correct | 11 ms | 1404 KB | Output is partially correct |
| 30 | Partially correct | 11 ms | 1280 KB | Output is partially correct |
| 31 | Partially correct | 12 ms | 1280 KB | Output is partially correct |
| 32 | Partially correct | 11 ms | 1280 KB | Output is partially correct |
| 33 | Partially correct | 11 ms | 1280 KB | Output is partially correct |
| 34 | Partially correct | 13 ms | 1280 KB | Output is partially correct |
| 35 | Partially correct | 12 ms | 1400 KB | Output is partially correct |
| 36 | Partially correct | 11 ms | 1280 KB | Output is partially correct |
| 37 | Partially correct | 11 ms | 1280 KB | Output is partially correct |
| 38 | Partially correct | 11 ms | 1280 KB | Output is partially correct |
| 39 | Partially correct | 11 ms | 1280 KB | Output is partially correct |
| 40 | Partially correct | 11 ms | 1280 KB | Output is partially correct |
| 41 | Partially correct | 15 ms | 1280 KB | Output is partially correct |
| 42 | Partially correct | 10 ms | 1328 KB | Output is partially correct |
| 43 | Partially correct | 11 ms | 1280 KB | Output is partially correct |
| 44 | Partially correct | 11 ms | 1280 KB | Output is partially correct |
| 45 | Partially correct | 11 ms | 1280 KB | Output is partially correct |
| 46 | Partially correct | 10 ms | 1448 KB | Output is partially correct |
| 47 | Partially correct | 11 ms | 1280 KB | Output is partially correct |
| 48 | Partially correct | 13 ms | 1280 KB | Output is partially correct |
| 49 | Partially correct | 11 ms | 1280 KB | Output is partially correct |
| 50 | Partially correct | 11 ms | 1280 KB | Output is partially correct |
| 51 | Partially correct | 13 ms | 1280 KB | Output is partially correct |
| 52 | Partially correct | 11 ms | 1280 KB | Output is partially correct |
| 53 | Partially correct | 10 ms | 1344 KB | Output is partially correct |
| 54 | Partially correct | 13 ms | 1280 KB | Output is partially correct |
| 55 | Partially correct | 11 ms | 1280 KB | Output is partially correct |
| 56 | Partially correct | 12 ms | 1400 KB | Output is partially correct |
| 57 | Partially correct | 14 ms | 1280 KB | Output is partially correct |
| 58 | Partially correct | 10 ms | 1280 KB | Output is partially correct |
| 59 | Partially correct | 12 ms | 1280 KB | Output is partially correct |
| 60 | Partially correct | 11 ms | 1280 KB | Output is partially correct |
| 61 | Partially correct | 11 ms | 1280 KB | Output is partially correct |
| 62 | Correct | 0 ms | 384 KB | Output is correct |
| 63 | Correct | 0 ms | 384 KB | Output is correct |
| 64 | Correct | 0 ms | 384 KB | Output is correct |
| 65 | Correct | 0 ms | 256 KB | Output is correct |
| 66 | Correct | 0 ms | 384 KB | Output is correct |
| 67 | Correct | 0 ms | 384 KB | Output is correct |
| 68 | Correct | 1 ms | 384 KB | Output is correct |
| 69 | Correct | 0 ms | 384 KB | Output is correct |
| 70 | Correct | 1 ms | 384 KB | Output is correct |
| 71 | Correct | 0 ms | 256 KB | Output is correct |
| 72 | Correct | 0 ms | 384 KB | Output is correct |
| 73 | Correct | 1 ms | 384 KB | Output is correct |
| 74 | Correct | 0 ms | 256 KB | Output is correct |
| 75 | Correct | 0 ms | 256 KB | Output is correct |
| 76 | Correct | 0 ms | 384 KB | Output is correct |
| 77 | Correct | 0 ms | 256 KB | Output is correct |
| 78 | Correct | 0 ms | 384 KB | Output is correct |
| 79 | Correct | 0 ms | 384 KB | Output is correct |
| 80 | Correct | 0 ms | 384 KB | Output is correct |
| 81 | Correct | 0 ms | 256 KB | Output is correct |
| 82 | Correct | 0 ms | 256 KB | Output is correct |
| 83 | Correct | 0 ms | 384 KB | Output is correct |
| 84 | Correct | 1 ms | 256 KB | Output is correct |
| 85 | Correct | 0 ms | 256 KB | Output is correct |
| 86 | Correct | 0 ms | 256 KB | Output is correct |
| 87 | Correct | 0 ms | 256 KB | Output is correct |
| 88 | Correct | 0 ms | 384 KB | Output is correct |
| 89 | Correct | 0 ms | 256 KB | Output is correct |
| 90 | Correct | 0 ms | 256 KB | Output is correct |
| 91 | Correct | 0 ms | 384 KB | Output is correct |