#include <iostream>
#include <algorithm>
using namespace std;
const int MAXN = 3007;
const long long INF = 1e15;
int n;
long long u[MAXN], v[MAXN], d[MAXN], e[MAXN], t, f[MAXN][MAXN];
void upd(long long &x, long long y) { if (x > y) x = y; }
int main()
{
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
cin >> n >> t;
for (int i = 1; i <= n; ++i) cin >> u[i] >> v[i] >> d[i] >> e[i];
for (int i = 1; i <= n + 1; ++i) for (int j = 0; j <= n / 2; ++j) f[i][j] = INF;
f[1][0] = 0;
for (int i = 1; i <= n; ++i) {
for (int j = min(i - 1, n / 2); j > 0; --j) if (f[i][j] < INF) upd(f[i][j - 1], f[i][j] + u[i] + e[i]);
for (int j = 0; j < min(i - 1, n / 2); ++j) if (f[i][j] < INF) upd(f[i][j + 1], f[i][j] + d[i] + v[i]);
for (int j = min(i - 1, n / 2); j >= 0; --j) if (f[i][j] < INF) {
upd(f[i + 1][j], f[i][j] + u[i] + v[i] + j * t * 2);
upd(f[i + 1][j + 1], f[i][j] + d[i] + v[i] + (j + 1) * t * 2);
if (j > 0) upd(f[i + 1][j], f[i][j] + d[i] + e[i] + j * t * 2);
if (j > 0) upd(f[i + 1][j - 1], f[i][j] + u[i] + e[i] + (j - 1) * t * 2);
}
}
cout << f[n + 1][0] + t * (n + 1) << endl;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
504 KB |
Output is correct |
5 |
Correct |
2 ms |
504 KB |
Output is correct |
6 |
Correct |
2 ms |
380 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
424 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
504 KB |
Output is correct |
13 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
760 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
760 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
504 KB |
Output is correct |
6 |
Correct |
2 ms |
636 KB |
Output is correct |
7 |
Correct |
2 ms |
760 KB |
Output is correct |
8 |
Correct |
2 ms |
764 KB |
Output is correct |
9 |
Correct |
2 ms |
760 KB |
Output is correct |
10 |
Correct |
2 ms |
760 KB |
Output is correct |
11 |
Correct |
3 ms |
888 KB |
Output is correct |
12 |
Correct |
2 ms |
760 KB |
Output is correct |
13 |
Correct |
2 ms |
760 KB |
Output is correct |
14 |
Correct |
2 ms |
888 KB |
Output is correct |
15 |
Incorrect |
2 ms |
888 KB |
Output isn't correct |
16 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
77 ms |
47608 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
77 ms |
47736 KB |
Output is correct |
4 |
Correct |
62 ms |
38520 KB |
Output is correct |
5 |
Correct |
50 ms |
30840 KB |
Output is correct |
6 |
Correct |
26 ms |
15352 KB |
Output is correct |
7 |
Correct |
19 ms |
10204 KB |
Output is correct |
8 |
Correct |
84 ms |
47580 KB |
Output is correct |
9 |
Correct |
69 ms |
47736 KB |
Output is correct |
10 |
Correct |
77 ms |
47740 KB |
Output is correct |
11 |
Correct |
72 ms |
47736 KB |
Output is correct |
12 |
Correct |
69 ms |
47708 KB |
Output is correct |
13 |
Correct |
69 ms |
47712 KB |
Output is correct |
14 |
Correct |
77 ms |
47864 KB |
Output is correct |
15 |
Incorrect |
69 ms |
47736 KB |
Output isn't correct |
16 |
Halted |
0 ms |
0 KB |
- |