#include "wombats.h"
#include <algorithm>
#include <cstring>
using namespace std;
#define K 15
#define INF 5000010
int R, C;
int H[5000][200];
int V[5000][200];
int T[1024][200][200];
static void hsmooth(int* A, int r) {
for(int i = 1; i < C; i++) {
A[i] = min(A[i], A[i - 1] + H[r][i - 1]);
}
for(int i = C - 2; i >= 0; i--) {
A[i] = min(A[i], A[i + 1] + H[r][i]);
}
}
static void compute_base(int A[200][200], int rlo, int rhi) {
for(int i = 0; i < C; i++) {
int* B = A[i];
for(int j = 0; j < C; j++) {
B[j] = i == j ? 0 : INF;
}
for(int r = rlo; r < rhi; r++) {
hsmooth(B, r);
for(int j = 0; j < C; j++) {
B[j] += V[r][j];
}
}
}
}
static void solve(int i, int jlo, int jhi, int klo, int khi,
int R[200], int X[200], int Y[200][200]) {
if(jlo == jhi) {
return;
}
int jmd = (jlo + jhi) / 2;
int kmd = klo;
R[jmd] = X[kmd] + Y[kmd][jmd];
for(int k = klo + 1; k < khi; k++) {
int v = X[k] + Y[k][jmd];
if(v < R[jmd]) {
R[jmd] = v;
kmd = k;
}
}
solve(i, jlo, jmd, klo, kmd + 1, R, X, Y);
solve(i, jmd + 1, jhi, kmd, khi, R, X, Y);
}
static void compute_merge(int R[200][200], int X[200][200], int Y[200][200]) {
for(int i = 0; i < C; i++) {
solve(i, 0, C, 0, C, R[i], X[i], Y);
}
}
static void update(int x, int rlo, int rhi, int rupdate) {
if(rlo + 1 >= R) {
} else if(rhi - rlo == K) {
compute_base(T[x], rlo, min(R - 1, rhi));
} else {
int rmd = (rlo + rhi) / 2;
if(rupdate == -1 || rupdate < rmd) {
update(2 * x + 1, rlo, rmd, rupdate);
}
if(rupdate == -1 || rmd <= rupdate) {
update(2 * x + 2, rmd, rhi, rupdate);
}
if(rmd + 1 < R) {
compute_merge(T[x], T[2 * x + 1], T[2 * x + 2]);
} else {
memcpy(T[x], T[2 * x + 1], sizeof(T[x]));
}
}
}
void init(int RR, int CC, int HH[5000][200], int VV[5000][200]) {
R = RR;
C = CC;
memcpy(H, HH, sizeof(H));
memcpy(V, VV, sizeof(V));
update(0, 0, 512 * K, -1);
}
void changeH(int P, int Q, int W) {
H[P][Q] = W;
update(0, 0, 512 * K, P);
}
void changeV(int P, int Q, int W) {
V[P][Q] = W;
update(0, 0, 512 * K, P);
}
int escape(int V1, int V2) {
hsmooth(T[0][V1], R - 1);
return T[0][V1][V2];
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
176712 KB |
Output is correct |
2 |
Correct |
8 ms |
176712 KB |
Output is correct |
3 |
Correct |
100 ms |
176712 KB |
Output is correct |
4 |
Correct |
8 ms |
176712 KB |
Output is correct |
5 |
Correct |
8 ms |
176712 KB |
Output is correct |
6 |
Correct |
0 ms |
176712 KB |
Output is correct |
7 |
Correct |
8 ms |
176712 KB |
Output is correct |
8 |
Correct |
0 ms |
176712 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
8 ms |
176712 KB |
Output is correct |
2 |
Correct |
4 ms |
176712 KB |
Output is correct |
3 |
Correct |
0 ms |
176712 KB |
Output is correct |
4 |
Correct |
8 ms |
176712 KB |
Output is correct |
5 |
Correct |
4 ms |
176712 KB |
Output is correct |
6 |
Correct |
0 ms |
176712 KB |
Output is correct |
7 |
Correct |
8 ms |
176712 KB |
Output is correct |
8 |
Correct |
4 ms |
176712 KB |
Output is correct |
9 |
Correct |
4 ms |
176712 KB |
Output is correct |
10 |
Correct |
4 ms |
176712 KB |
Output is correct |
11 |
Correct |
132 ms |
176712 KB |
Output is correct |
12 |
Correct |
4 ms |
176712 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
228 ms |
176712 KB |
Output is correct |
2 |
Correct |
232 ms |
176712 KB |
Output is correct |
3 |
Correct |
244 ms |
176712 KB |
Output is correct |
4 |
Correct |
252 ms |
176712 KB |
Output is correct |
5 |
Correct |
252 ms |
176712 KB |
Output is correct |
6 |
Correct |
8 ms |
176712 KB |
Output is correct |
7 |
Correct |
0 ms |
176712 KB |
Output is correct |
8 |
Correct |
8 ms |
176712 KB |
Output is correct |
9 |
Correct |
1152 ms |
176712 KB |
Output is correct |
10 |
Correct |
4 ms |
176712 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
16 ms |
176712 KB |
Output is correct |
2 |
Correct |
8 ms |
176712 KB |
Output is correct |
3 |
Correct |
12 ms |
176712 KB |
Output is correct |
4 |
Correct |
40 ms |
176712 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
228 ms |
176712 KB |
Output is correct |
2 |
Correct |
228 ms |
176712 KB |
Output is correct |
3 |
Correct |
244 ms |
176712 KB |
Output is correct |
4 |
Correct |
252 ms |
176712 KB |
Output is correct |
5 |
Correct |
252 ms |
176712 KB |
Output is correct |
6 |
Correct |
12 ms |
176712 KB |
Output is correct |
7 |
Correct |
4 ms |
176712 KB |
Output is correct |
8 |
Correct |
4 ms |
176712 KB |
Output is correct |
9 |
Correct |
48 ms |
176712 KB |
Output is correct |
10 |
Correct |
0 ms |
176712 KB |
Output is correct |
11 |
Correct |
4 ms |
176712 KB |
Output is correct |
12 |
Correct |
100 ms |
176712 KB |
Output is correct |
13 |
Correct |
4 ms |
176712 KB |
Output is correct |
14 |
Correct |
4 ms |
176712 KB |
Output is correct |
15 |
Correct |
0 ms |
176712 KB |
Output is correct |
16 |
Correct |
4 ms |
176712 KB |
Output is correct |
17 |
Correct |
0 ms |
176712 KB |
Output is correct |
18 |
Correct |
4 ms |
176712 KB |
Output is correct |
19 |
Correct |
4 ms |
176712 KB |
Output is correct |
20 |
Correct |
0 ms |
176712 KB |
Output is correct |
21 |
Correct |
8 ms |
176712 KB |
Output is correct |
22 |
Correct |
0 ms |
176712 KB |
Output is correct |
23 |
Correct |
8 ms |
176712 KB |
Output is correct |
24 |
Correct |
0 ms |
176712 KB |
Output is correct |
25 |
Correct |
128 ms |
176712 KB |
Output is correct |
26 |
Correct |
4 ms |
176712 KB |
Output is correct |
27 |
Correct |
1156 ms |
176712 KB |
Output is correct |
28 |
Correct |
2356 ms |
176712 KB |
Output is correct |
29 |
Correct |
2468 ms |
176712 KB |
Output is correct |
30 |
Correct |
2448 ms |
176712 KB |
Output is correct |
31 |
Correct |
2744 ms |
176712 KB |
Output is correct |
32 |
Correct |
0 ms |
176712 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
228 ms |
176712 KB |
Output is correct |
2 |
Correct |
232 ms |
176712 KB |
Output is correct |
3 |
Correct |
244 ms |
176712 KB |
Output is correct |
4 |
Correct |
256 ms |
176712 KB |
Output is correct |
5 |
Correct |
248 ms |
176712 KB |
Output is correct |
6 |
Correct |
8 ms |
176712 KB |
Output is correct |
7 |
Correct |
4 ms |
176712 KB |
Output is correct |
8 |
Correct |
4 ms |
176712 KB |
Output is correct |
9 |
Correct |
48 ms |
176712 KB |
Output is correct |
10 |
Correct |
0 ms |
176712 KB |
Output is correct |
11 |
Correct |
8 ms |
176712 KB |
Output is correct |
12 |
Correct |
88 ms |
176712 KB |
Output is correct |
13 |
Correct |
0 ms |
176712 KB |
Output is correct |
14 |
Correct |
4 ms |
176712 KB |
Output is correct |
15 |
Correct |
2708 ms |
176712 KB |
Output is correct |
16 |
Correct |
10652 ms |
176712 KB |
Output is correct |
17 |
Correct |
4 ms |
176712 KB |
Output is correct |
18 |
Correct |
8 ms |
176712 KB |
Output is correct |
19 |
Correct |
4 ms |
176712 KB |
Output is correct |
20 |
Correct |
8 ms |
176712 KB |
Output is correct |
21 |
Correct |
4 ms |
176712 KB |
Output is correct |
22 |
Correct |
4 ms |
176712 KB |
Output is correct |
23 |
Correct |
4 ms |
176712 KB |
Output is correct |
24 |
Correct |
0 ms |
176712 KB |
Output is correct |
25 |
Correct |
4 ms |
176712 KB |
Output is correct |
26 |
Correct |
4 ms |
176712 KB |
Output is correct |
27 |
Correct |
124 ms |
176712 KB |
Output is correct |
28 |
Correct |
8 ms |
176712 KB |
Output is correct |
29 |
Correct |
1156 ms |
176712 KB |
Output is correct |
30 |
Correct |
2336 ms |
176712 KB |
Output is correct |
31 |
Correct |
9448 ms |
176712 KB |
Output is correct |
32 |
Correct |
10088 ms |
176712 KB |
Output is correct |
33 |
Correct |
2464 ms |
176712 KB |
Output is correct |
34 |
Correct |
10108 ms |
176712 KB |
Output is correct |
35 |
Correct |
2444 ms |
176712 KB |
Output is correct |
36 |
Correct |
9924 ms |
176712 KB |
Output is correct |
37 |
Correct |
2756 ms |
176712 KB |
Output is correct |
38 |
Correct |
10340 ms |
176712 KB |
Output is correct |
39 |
Correct |
4 ms |
176712 KB |
Output is correct |
40 |
Correct |
10688 ms |
176712 KB |
Output is correct |