# | TimeUTC-0 | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
124247 | tutis | Mountains (IOI17_mountains) | C++17 | 1096 ms | 219372 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#pragma GCC optimize ("O3")
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
bitset<2000>ok[2000];
unordered_map<bitset<2000>, int>M;
int dp(bitset<2000> x)
{
int i = x._Find_first();
if (i >= 2000)
return 0;
int &ans = M[x];
if (ans != 0)
return ans;
x[i] = false;
ans = max(1 + dp(x & ok[i]), dp(x));
return ans;
}
int maximum_deevs(vector<int> y)
{
bitset<2000>deevs;
for (ll i = 0; i < (ll)y.size(); i++)
{
ll k = i + 1;
for (ll j = i + 1; j < (ll)y.size(); j++)
{
if ((y[j] - y[i]) * (k - i) >= (y[k] - y[i]) * (j - i))
k = j;
if (j != k)
Compilation message (stderr)
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