#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
using ull = unsigned long long;
const bool typetest = 0;
const int N = 3e3 + 5;
const ll Inf = 1e17;
int n;
ll t, stayleft[N], stayright[N], toleft[N], toright[N];
ll dp[N][N];
void Read()
{
cin >> n >> t;
for (int i = 1; i <= n; ++i)
{
ll rtop, ptor, ltop, ptol;
cin >> rtop >> ptor >> ltop >> ptol;
stayleft[i] = ltop + ptol;
stayright[i] = rtop + ptor;
toleft[i] = rtop + ptol;
toright[i] = ltop + ptor;
}
}
void Min(ll &x, ll y)
{
if (x > y)
x = y;
}
void Solve()
{
fill_n(&dp[0][0], N * N, Inf);
dp[1][0] = 0;
for (int i = 1; i <= n; ++i)
for (int j = 0; j <= n; ++j)
{
/// Create a new cycle - Not guarantee that we go throught i-th tramp
if (j > 0)
Min(dp[i][j], dp[i][j - 1] + toright[i] - 2 * i * t);
/// guarantee we go throught i-th tramp
// End a cycle here
if (j > 0)
Min(dp[i + 1][j - 1], dp[i][j] + toleft[i] + 2 * t * t);
//still go to right
Min(dp[i + 1][j], dp[i][j] + stayright[i]);
//go througt a cycle
Min(dp[i + 1][j + 1], dp[i][j] + toright[i] - 2 * i * t);
// still go to left (only j > 0)
if (j > 0)
Min(dp[i + 1][j], dp[i][j] + stayleft[i]);
}
cout << dp[n][0] + (n + 1) * t;
}
int32_t main()
{
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int t(1);
if (typetest)
cin >> t;
for (int _ = 1; _ <= t; ++_)
{
Read();
Solve();
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
37 ms |
71020 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
37 ms |
71020 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
80 ms |
71148 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |