#include "rainbow.h"
#include <bits/stdc++.h>
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("O3")
#pragma GCC target("sse4,avx2,fma,avx")
#define FOR(i, x, y) for (int i = x; i < y; i++)
using namespace std;
const int MAXN = 2e5, MAXSEG = (6e5 + 9) * 19 + 1;
int cnt = 1, segtree[MAXSEG], left_c[MAXSEG], right_c[MAXSEG];
struct Segtree {
set<int> data[MAXN + 1];
int roots[MAXN + 2];
void add(int x, int y) { data[x].insert(y); }
void build() {
FOR(i, 1, MAXN + 1) {
roots[i + 1] = roots[i];
for (int j : data[i]) update(j, roots[i + 1]);
}
}
void update(int pos, int &node, int l = 1, int r = MAXN) {
segtree[cnt] = segtree[node] + 1;
left_c[cnt] = left_c[node];
right_c[cnt] = right_c[node];
node = cnt++;
if (l == r) return;
int mid = (l + r) / 2;
if (pos > mid) update(pos, right_c[node], mid + 1, r);
else update(pos, left_c[node], l, mid);
}
int query(int l1, int r1, int l2, int r2) {
if (l2 > r2) return 0;
return query(l2, r2, roots[r1 + 1], 1, MAXN) - query(l2, r2, roots[l1], 1, MAXN);
}
int query(int a, int b, int node, int l, int r) {
if (a > r || b < l) return 0;
if (a <= l && b >= r) return segtree[node];
int mid = (l + r) / 2;
return query(a, b, left_c[node], l, mid) + query(a, b, right_c[node], mid + 1, r);
}
} vertices, edges_horiz, edges_vert, rivers;
int mx_r, mn_r, mx_c, mn_c;
void add_river(int x, int y) {
vertices.add(x, y);
vertices.add(x + 1, y);
vertices.add(x, y + 1);
vertices.add(x + 1, y + 1);
edges_horiz.add(x, y);
edges_horiz.add(x + 1, y);
edges_vert.add(x, y);
edges_vert.add(x, y + 1);
rivers.add(x, y);
}
void init(int R, int C, int sr, int sc, int M, char *S) {
add_river(sr, sc);
mx_r = mn_r = sr;
mx_c = mn_c = sc;
FOR(i, 0, M) {
if (S[i] == 'N') sr--;
if (S[i] == 'E') sc++;
if (S[i] == 'S') sr++;
if (S[i] == 'W') sc--;
add_river(sr, sc);
mx_r = max(mx_r, sr);
mn_r = min(mn_r, sr);
mx_c = max(mx_c, sc);
mn_c = min(mn_c, sc);
}
vertices.build();
edges_horiz.build();
edges_vert.build();
rivers.build();
}
int colour(int ar, int ac, int br, int bc) {
int E = edges_horiz.query(ar + 1, br, ac, bc) + edges_vert.query(ar, br, ac + 1, bc);
int V = vertices.query(ar + 1, br, ac + 1, bc);
int R = rivers.query(ar, br, ac, bc);
int C = (ar >= mn_r || br <= mx_r || ac >= mn_c || bc <= mx_c ? 1 : 2);
return E - V + C - R;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
22 ms |
41292 KB |
Output is correct |
2 |
Correct |
24 ms |
42328 KB |
Output is correct |
3 |
Correct |
23 ms |
41368 KB |
Output is correct |
4 |
Correct |
22 ms |
41392 KB |
Output is correct |
5 |
Correct |
24 ms |
42596 KB |
Output is correct |
6 |
Correct |
21 ms |
40960 KB |
Output is correct |
7 |
Correct |
21 ms |
40912 KB |
Output is correct |
8 |
Correct |
22 ms |
41044 KB |
Output is correct |
9 |
Correct |
21 ms |
41044 KB |
Output is correct |
10 |
Correct |
21 ms |
41032 KB |
Output is correct |
11 |
Correct |
23 ms |
41500 KB |
Output is correct |
12 |
Correct |
24 ms |
42012 KB |
Output is correct |
13 |
Correct |
26 ms |
43028 KB |
Output is correct |
14 |
Correct |
26 ms |
43544 KB |
Output is correct |
15 |
Correct |
22 ms |
40968 KB |
Output is correct |
16 |
Correct |
24 ms |
41048 KB |
Output is correct |
17 |
Correct |
21 ms |
41024 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
24 ms |
41048 KB |
Output is correct |
2 |
Correct |
21 ms |
41024 KB |
Output is correct |
3 |
Correct |
478 ms |
139840 KB |
Output is correct |
4 |
Correct |
698 ms |
204444 KB |
Output is correct |
5 |
Correct |
730 ms |
203136 KB |
Output is correct |
6 |
Correct |
600 ms |
166716 KB |
Output is correct |
7 |
Correct |
644 ms |
164572 KB |
Output is correct |
8 |
Correct |
242 ms |
44624 KB |
Output is correct |
9 |
Correct |
710 ms |
204460 KB |
Output is correct |
10 |
Correct |
707 ms |
203080 KB |
Output is correct |
11 |
Correct |
632 ms |
166652 KB |
Output is correct |
12 |
Correct |
345 ms |
193172 KB |
Output is correct |
13 |
Correct |
355 ms |
204316 KB |
Output is correct |
14 |
Correct |
373 ms |
203120 KB |
Output is correct |
15 |
Correct |
344 ms |
166716 KB |
Output is correct |
16 |
Correct |
581 ms |
157572 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
22 ms |
40968 KB |
Output is correct |
2 |
Correct |
303 ms |
200996 KB |
Output is correct |
3 |
Correct |
143 ms |
198488 KB |
Output is correct |
4 |
Correct |
170 ms |
201036 KB |
Output is correct |
5 |
Correct |
151 ms |
159808 KB |
Output is correct |
6 |
Correct |
82 ms |
71104 KB |
Output is correct |
7 |
Correct |
142 ms |
101012 KB |
Output is correct |
8 |
Correct |
255 ms |
183784 KB |
Output is correct |
9 |
Correct |
238 ms |
167732 KB |
Output is correct |
10 |
Correct |
102 ms |
72724 KB |
Output is correct |
11 |
Correct |
180 ms |
119516 KB |
Output is correct |
12 |
Correct |
298 ms |
201048 KB |
Output is correct |
13 |
Correct |
146 ms |
198484 KB |
Output is correct |
14 |
Correct |
170 ms |
200944 KB |
Output is correct |
15 |
Correct |
172 ms |
159748 KB |
Output is correct |
16 |
Correct |
78 ms |
65064 KB |
Output is correct |
17 |
Correct |
128 ms |
100924 KB |
Output is correct |
18 |
Correct |
232 ms |
200992 KB |
Output is correct |
19 |
Correct |
218 ms |
202148 KB |
Output is correct |
20 |
Correct |
219 ms |
202008 KB |
Output is correct |
21 |
Correct |
255 ms |
183756 KB |
Output is correct |
22 |
Correct |
238 ms |
167784 KB |
Output is correct |
23 |
Correct |
85 ms |
72728 KB |
Output is correct |
24 |
Correct |
159 ms |
119492 KB |
Output is correct |
25 |
Correct |
299 ms |
201036 KB |
Output is correct |
26 |
Correct |
138 ms |
198452 KB |
Output is correct |
27 |
Correct |
176 ms |
200956 KB |
Output is correct |
28 |
Correct |
150 ms |
159824 KB |
Output is correct |
29 |
Correct |
74 ms |
64980 KB |
Output is correct |
30 |
Correct |
126 ms |
100936 KB |
Output is correct |
31 |
Correct |
235 ms |
200980 KB |
Output is correct |
32 |
Correct |
218 ms |
202132 KB |
Output is correct |
33 |
Correct |
236 ms |
202004 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
22 ms |
41292 KB |
Output is correct |
2 |
Correct |
24 ms |
42328 KB |
Output is correct |
3 |
Correct |
23 ms |
41368 KB |
Output is correct |
4 |
Correct |
22 ms |
41392 KB |
Output is correct |
5 |
Correct |
24 ms |
42596 KB |
Output is correct |
6 |
Correct |
21 ms |
40960 KB |
Output is correct |
7 |
Correct |
21 ms |
40912 KB |
Output is correct |
8 |
Correct |
22 ms |
41044 KB |
Output is correct |
9 |
Correct |
21 ms |
41044 KB |
Output is correct |
10 |
Correct |
21 ms |
41032 KB |
Output is correct |
11 |
Correct |
23 ms |
41500 KB |
Output is correct |
12 |
Correct |
24 ms |
42012 KB |
Output is correct |
13 |
Correct |
26 ms |
43028 KB |
Output is correct |
14 |
Correct |
26 ms |
43544 KB |
Output is correct |
15 |
Correct |
22 ms |
40968 KB |
Output is correct |
16 |
Correct |
24 ms |
41048 KB |
Output is correct |
17 |
Correct |
21 ms |
41024 KB |
Output is correct |
18 |
Correct |
689 ms |
125208 KB |
Output is correct |
19 |
Correct |
198 ms |
48020 KB |
Output is correct |
20 |
Correct |
160 ms |
45152 KB |
Output is correct |
21 |
Correct |
169 ms |
45672 KB |
Output is correct |
22 |
Correct |
173 ms |
46436 KB |
Output is correct |
23 |
Correct |
195 ms |
47872 KB |
Output is correct |
24 |
Correct |
158 ms |
45508 KB |
Output is correct |
25 |
Correct |
177 ms |
46232 KB |
Output is correct |
26 |
Correct |
176 ms |
46712 KB |
Output is correct |
27 |
Correct |
344 ms |
109760 KB |
Output is correct |
28 |
Correct |
273 ms |
75920 KB |
Output is correct |
29 |
Correct |
343 ms |
104128 KB |
Output is correct |
30 |
Correct |
526 ms |
204456 KB |
Output is correct |
31 |
Correct |
25 ms |
41164 KB |
Output is correct |
32 |
Correct |
546 ms |
110636 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
22 ms |
41292 KB |
Output is correct |
2 |
Correct |
24 ms |
42328 KB |
Output is correct |
3 |
Correct |
23 ms |
41368 KB |
Output is correct |
4 |
Correct |
22 ms |
41392 KB |
Output is correct |
5 |
Correct |
24 ms |
42596 KB |
Output is correct |
6 |
Correct |
21 ms |
40960 KB |
Output is correct |
7 |
Correct |
21 ms |
40912 KB |
Output is correct |
8 |
Correct |
22 ms |
41044 KB |
Output is correct |
9 |
Correct |
21 ms |
41044 KB |
Output is correct |
10 |
Correct |
21 ms |
41032 KB |
Output is correct |
11 |
Correct |
23 ms |
41500 KB |
Output is correct |
12 |
Correct |
24 ms |
42012 KB |
Output is correct |
13 |
Correct |
26 ms |
43028 KB |
Output is correct |
14 |
Correct |
26 ms |
43544 KB |
Output is correct |
15 |
Correct |
22 ms |
40968 KB |
Output is correct |
16 |
Correct |
24 ms |
41048 KB |
Output is correct |
17 |
Correct |
21 ms |
41024 KB |
Output is correct |
18 |
Correct |
689 ms |
125208 KB |
Output is correct |
19 |
Correct |
198 ms |
48020 KB |
Output is correct |
20 |
Correct |
160 ms |
45152 KB |
Output is correct |
21 |
Correct |
169 ms |
45672 KB |
Output is correct |
22 |
Correct |
173 ms |
46436 KB |
Output is correct |
23 |
Correct |
195 ms |
47872 KB |
Output is correct |
24 |
Correct |
158 ms |
45508 KB |
Output is correct |
25 |
Correct |
177 ms |
46232 KB |
Output is correct |
26 |
Correct |
176 ms |
46712 KB |
Output is correct |
27 |
Correct |
344 ms |
109760 KB |
Output is correct |
28 |
Correct |
273 ms |
75920 KB |
Output is correct |
29 |
Correct |
343 ms |
104128 KB |
Output is correct |
30 |
Correct |
526 ms |
204456 KB |
Output is correct |
31 |
Correct |
25 ms |
41164 KB |
Output is correct |
32 |
Correct |
546 ms |
110636 KB |
Output is correct |
33 |
Correct |
303 ms |
200996 KB |
Output is correct |
34 |
Correct |
143 ms |
198488 KB |
Output is correct |
35 |
Correct |
170 ms |
201036 KB |
Output is correct |
36 |
Correct |
151 ms |
159808 KB |
Output is correct |
37 |
Correct |
82 ms |
71104 KB |
Output is correct |
38 |
Correct |
142 ms |
101012 KB |
Output is correct |
39 |
Correct |
255 ms |
183784 KB |
Output is correct |
40 |
Correct |
238 ms |
167732 KB |
Output is correct |
41 |
Correct |
102 ms |
72724 KB |
Output is correct |
42 |
Correct |
180 ms |
119516 KB |
Output is correct |
43 |
Correct |
298 ms |
201048 KB |
Output is correct |
44 |
Correct |
146 ms |
198484 KB |
Output is correct |
45 |
Correct |
170 ms |
200944 KB |
Output is correct |
46 |
Correct |
172 ms |
159748 KB |
Output is correct |
47 |
Correct |
78 ms |
65064 KB |
Output is correct |
48 |
Correct |
128 ms |
100924 KB |
Output is correct |
49 |
Correct |
232 ms |
200992 KB |
Output is correct |
50 |
Correct |
218 ms |
202148 KB |
Output is correct |
51 |
Correct |
219 ms |
202008 KB |
Output is correct |
52 |
Correct |
255 ms |
183756 KB |
Output is correct |
53 |
Correct |
238 ms |
167784 KB |
Output is correct |
54 |
Correct |
85 ms |
72728 KB |
Output is correct |
55 |
Correct |
159 ms |
119492 KB |
Output is correct |
56 |
Correct |
299 ms |
201036 KB |
Output is correct |
57 |
Correct |
138 ms |
198452 KB |
Output is correct |
58 |
Correct |
176 ms |
200956 KB |
Output is correct |
59 |
Correct |
150 ms |
159824 KB |
Output is correct |
60 |
Correct |
74 ms |
64980 KB |
Output is correct |
61 |
Correct |
126 ms |
100936 KB |
Output is correct |
62 |
Correct |
235 ms |
200980 KB |
Output is correct |
63 |
Correct |
218 ms |
202132 KB |
Output is correct |
64 |
Correct |
236 ms |
202004 KB |
Output is correct |
65 |
Correct |
478 ms |
139840 KB |
Output is correct |
66 |
Correct |
698 ms |
204444 KB |
Output is correct |
67 |
Correct |
730 ms |
203136 KB |
Output is correct |
68 |
Correct |
600 ms |
166716 KB |
Output is correct |
69 |
Correct |
644 ms |
164572 KB |
Output is correct |
70 |
Correct |
242 ms |
44624 KB |
Output is correct |
71 |
Correct |
710 ms |
204460 KB |
Output is correct |
72 |
Correct |
707 ms |
203080 KB |
Output is correct |
73 |
Correct |
632 ms |
166652 KB |
Output is correct |
74 |
Correct |
345 ms |
193172 KB |
Output is correct |
75 |
Correct |
355 ms |
204316 KB |
Output is correct |
76 |
Correct |
373 ms |
203120 KB |
Output is correct |
77 |
Correct |
344 ms |
166716 KB |
Output is correct |
78 |
Correct |
581 ms |
157572 KB |
Output is correct |
79 |
Correct |
960 ms |
187236 KB |
Output is correct |
80 |
Correct |
1006 ms |
171340 KB |
Output is correct |
81 |
Correct |
357 ms |
76136 KB |
Output is correct |
82 |
Correct |
438 ms |
122972 KB |
Output is correct |
83 |
Correct |
648 ms |
204544 KB |
Output is correct |
84 |
Correct |
429 ms |
202052 KB |
Output is correct |
85 |
Correct |
527 ms |
204492 KB |
Output is correct |
86 |
Correct |
432 ms |
163256 KB |
Output is correct |
87 |
Correct |
296 ms |
68520 KB |
Output is correct |
88 |
Correct |
346 ms |
104468 KB |
Output is correct |
89 |
Correct |
455 ms |
204588 KB |
Output is correct |
90 |
Correct |
591 ms |
205568 KB |
Output is correct |
91 |
Correct |
507 ms |
205452 KB |
Output is correct |