#include "rainbow.h"
#include <bits/stdc++.h>
#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 |
18 ms |
43864 KB |
Output is correct |
2 |
Correct |
16 ms |
44636 KB |
Output is correct |
3 |
Correct |
15 ms |
43868 KB |
Output is correct |
4 |
Correct |
13 ms |
43868 KB |
Output is correct |
5 |
Correct |
14 ms |
44876 KB |
Output is correct |
6 |
Correct |
11 ms |
43608 KB |
Output is correct |
7 |
Correct |
10 ms |
41560 KB |
Output is correct |
8 |
Correct |
11 ms |
43612 KB |
Output is correct |
9 |
Correct |
11 ms |
43728 KB |
Output is correct |
10 |
Correct |
12 ms |
43612 KB |
Output is correct |
11 |
Correct |
13 ms |
43868 KB |
Output is correct |
12 |
Correct |
13 ms |
44376 KB |
Output is correct |
13 |
Correct |
15 ms |
47132 KB |
Output is correct |
14 |
Correct |
15 ms |
47452 KB |
Output is correct |
15 |
Correct |
10 ms |
41436 KB |
Output is correct |
16 |
Correct |
11 ms |
43612 KB |
Output is correct |
17 |
Correct |
11 ms |
41564 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
11 ms |
43612 KB |
Output is correct |
2 |
Correct |
11 ms |
41564 KB |
Output is correct |
3 |
Correct |
489 ms |
144852 KB |
Output is correct |
4 |
Correct |
629 ms |
205492 KB |
Output is correct |
5 |
Correct |
625 ms |
204956 KB |
Output is correct |
6 |
Correct |
527 ms |
171836 KB |
Output is correct |
7 |
Correct |
605 ms |
169328 KB |
Output is correct |
8 |
Correct |
234 ms |
47188 KB |
Output is correct |
9 |
Correct |
624 ms |
205500 KB |
Output is correct |
10 |
Correct |
637 ms |
204904 KB |
Output is correct |
11 |
Correct |
606 ms |
171928 KB |
Output is correct |
12 |
Correct |
300 ms |
198996 KB |
Output is correct |
13 |
Correct |
306 ms |
205560 KB |
Output is correct |
14 |
Correct |
318 ms |
205152 KB |
Output is correct |
15 |
Correct |
301 ms |
172192 KB |
Output is correct |
16 |
Correct |
501 ms |
161876 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
10 ms |
41436 KB |
Output is correct |
2 |
Correct |
265 ms |
202100 KB |
Output is correct |
3 |
Correct |
104 ms |
201812 KB |
Output is correct |
4 |
Correct |
130 ms |
202116 KB |
Output is correct |
5 |
Correct |
115 ms |
165876 KB |
Output is correct |
6 |
Correct |
64 ms |
76584 KB |
Output is correct |
7 |
Correct |
111 ms |
106068 KB |
Output is correct |
8 |
Correct |
216 ms |
188556 KB |
Output is correct |
9 |
Correct |
211 ms |
173408 KB |
Output is correct |
10 |
Correct |
74 ms |
76488 KB |
Output is correct |
11 |
Correct |
125 ms |
123868 KB |
Output is correct |
12 |
Correct |
279 ms |
201948 KB |
Output is correct |
13 |
Correct |
104 ms |
201844 KB |
Output is correct |
14 |
Correct |
130 ms |
202104 KB |
Output is correct |
15 |
Correct |
115 ms |
165996 KB |
Output is correct |
16 |
Correct |
56 ms |
68944 KB |
Output is correct |
17 |
Correct |
109 ms |
106396 KB |
Output is correct |
18 |
Correct |
192 ms |
202064 KB |
Output is correct |
19 |
Correct |
179 ms |
202472 KB |
Output is correct |
20 |
Correct |
183 ms |
202344 KB |
Output is correct |
21 |
Correct |
219 ms |
188428 KB |
Output is correct |
22 |
Correct |
205 ms |
173396 KB |
Output is correct |
23 |
Correct |
69 ms |
76796 KB |
Output is correct |
24 |
Correct |
149 ms |
123728 KB |
Output is correct |
25 |
Correct |
259 ms |
202136 KB |
Output is correct |
26 |
Correct |
96 ms |
201808 KB |
Output is correct |
27 |
Correct |
129 ms |
202244 KB |
Output is correct |
28 |
Correct |
115 ms |
165948 KB |
Output is correct |
29 |
Correct |
63 ms |
68944 KB |
Output is correct |
30 |
Correct |
117 ms |
105984 KB |
Output is correct |
31 |
Correct |
187 ms |
202016 KB |
Output is correct |
32 |
Correct |
173 ms |
202576 KB |
Output is correct |
33 |
Correct |
196 ms |
202424 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
18 ms |
43864 KB |
Output is correct |
2 |
Correct |
16 ms |
44636 KB |
Output is correct |
3 |
Correct |
15 ms |
43868 KB |
Output is correct |
4 |
Correct |
13 ms |
43868 KB |
Output is correct |
5 |
Correct |
14 ms |
44876 KB |
Output is correct |
6 |
Correct |
11 ms |
43608 KB |
Output is correct |
7 |
Correct |
10 ms |
41560 KB |
Output is correct |
8 |
Correct |
11 ms |
43612 KB |
Output is correct |
9 |
Correct |
11 ms |
43728 KB |
Output is correct |
10 |
Correct |
12 ms |
43612 KB |
Output is correct |
11 |
Correct |
13 ms |
43868 KB |
Output is correct |
12 |
Correct |
13 ms |
44376 KB |
Output is correct |
13 |
Correct |
15 ms |
47132 KB |
Output is correct |
14 |
Correct |
15 ms |
47452 KB |
Output is correct |
15 |
Correct |
10 ms |
41436 KB |
Output is correct |
16 |
Correct |
11 ms |
43612 KB |
Output is correct |
17 |
Correct |
11 ms |
41564 KB |
Output is correct |
18 |
Correct |
615 ms |
131920 KB |
Output is correct |
19 |
Correct |
191 ms |
51792 KB |
Output is correct |
20 |
Correct |
142 ms |
47560 KB |
Output is correct |
21 |
Correct |
152 ms |
47916 KB |
Output is correct |
22 |
Correct |
164 ms |
50516 KB |
Output is correct |
23 |
Correct |
182 ms |
51512 KB |
Output is correct |
24 |
Correct |
151 ms |
47696 KB |
Output is correct |
25 |
Correct |
163 ms |
48624 KB |
Output is correct |
26 |
Correct |
192 ms |
50772 KB |
Output is correct |
27 |
Correct |
312 ms |
114512 KB |
Output is correct |
28 |
Correct |
242 ms |
79988 KB |
Output is correct |
29 |
Correct |
301 ms |
109424 KB |
Output is correct |
30 |
Correct |
495 ms |
205356 KB |
Output is correct |
31 |
Correct |
13 ms |
43760 KB |
Output is correct |
32 |
Correct |
462 ms |
117028 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
18 ms |
43864 KB |
Output is correct |
2 |
Correct |
16 ms |
44636 KB |
Output is correct |
3 |
Correct |
15 ms |
43868 KB |
Output is correct |
4 |
Correct |
13 ms |
43868 KB |
Output is correct |
5 |
Correct |
14 ms |
44876 KB |
Output is correct |
6 |
Correct |
11 ms |
43608 KB |
Output is correct |
7 |
Correct |
10 ms |
41560 KB |
Output is correct |
8 |
Correct |
11 ms |
43612 KB |
Output is correct |
9 |
Correct |
11 ms |
43728 KB |
Output is correct |
10 |
Correct |
12 ms |
43612 KB |
Output is correct |
11 |
Correct |
13 ms |
43868 KB |
Output is correct |
12 |
Correct |
13 ms |
44376 KB |
Output is correct |
13 |
Correct |
15 ms |
47132 KB |
Output is correct |
14 |
Correct |
15 ms |
47452 KB |
Output is correct |
15 |
Correct |
10 ms |
41436 KB |
Output is correct |
16 |
Correct |
11 ms |
43612 KB |
Output is correct |
17 |
Correct |
11 ms |
41564 KB |
Output is correct |
18 |
Correct |
615 ms |
131920 KB |
Output is correct |
19 |
Correct |
191 ms |
51792 KB |
Output is correct |
20 |
Correct |
142 ms |
47560 KB |
Output is correct |
21 |
Correct |
152 ms |
47916 KB |
Output is correct |
22 |
Correct |
164 ms |
50516 KB |
Output is correct |
23 |
Correct |
182 ms |
51512 KB |
Output is correct |
24 |
Correct |
151 ms |
47696 KB |
Output is correct |
25 |
Correct |
163 ms |
48624 KB |
Output is correct |
26 |
Correct |
192 ms |
50772 KB |
Output is correct |
27 |
Correct |
312 ms |
114512 KB |
Output is correct |
28 |
Correct |
242 ms |
79988 KB |
Output is correct |
29 |
Correct |
301 ms |
109424 KB |
Output is correct |
30 |
Correct |
495 ms |
205356 KB |
Output is correct |
31 |
Correct |
13 ms |
43760 KB |
Output is correct |
32 |
Correct |
462 ms |
117028 KB |
Output is correct |
33 |
Correct |
265 ms |
202100 KB |
Output is correct |
34 |
Correct |
104 ms |
201812 KB |
Output is correct |
35 |
Correct |
130 ms |
202116 KB |
Output is correct |
36 |
Correct |
115 ms |
165876 KB |
Output is correct |
37 |
Correct |
64 ms |
76584 KB |
Output is correct |
38 |
Correct |
111 ms |
106068 KB |
Output is correct |
39 |
Correct |
216 ms |
188556 KB |
Output is correct |
40 |
Correct |
211 ms |
173408 KB |
Output is correct |
41 |
Correct |
74 ms |
76488 KB |
Output is correct |
42 |
Correct |
125 ms |
123868 KB |
Output is correct |
43 |
Correct |
279 ms |
201948 KB |
Output is correct |
44 |
Correct |
104 ms |
201844 KB |
Output is correct |
45 |
Correct |
130 ms |
202104 KB |
Output is correct |
46 |
Correct |
115 ms |
165996 KB |
Output is correct |
47 |
Correct |
56 ms |
68944 KB |
Output is correct |
48 |
Correct |
109 ms |
106396 KB |
Output is correct |
49 |
Correct |
192 ms |
202064 KB |
Output is correct |
50 |
Correct |
179 ms |
202472 KB |
Output is correct |
51 |
Correct |
183 ms |
202344 KB |
Output is correct |
52 |
Correct |
219 ms |
188428 KB |
Output is correct |
53 |
Correct |
205 ms |
173396 KB |
Output is correct |
54 |
Correct |
69 ms |
76796 KB |
Output is correct |
55 |
Correct |
149 ms |
123728 KB |
Output is correct |
56 |
Correct |
259 ms |
202136 KB |
Output is correct |
57 |
Correct |
96 ms |
201808 KB |
Output is correct |
58 |
Correct |
129 ms |
202244 KB |
Output is correct |
59 |
Correct |
115 ms |
165948 KB |
Output is correct |
60 |
Correct |
63 ms |
68944 KB |
Output is correct |
61 |
Correct |
117 ms |
105984 KB |
Output is correct |
62 |
Correct |
187 ms |
202016 KB |
Output is correct |
63 |
Correct |
173 ms |
202576 KB |
Output is correct |
64 |
Correct |
196 ms |
202424 KB |
Output is correct |
65 |
Correct |
489 ms |
144852 KB |
Output is correct |
66 |
Correct |
629 ms |
205492 KB |
Output is correct |
67 |
Correct |
625 ms |
204956 KB |
Output is correct |
68 |
Correct |
527 ms |
171836 KB |
Output is correct |
69 |
Correct |
605 ms |
169328 KB |
Output is correct |
70 |
Correct |
234 ms |
47188 KB |
Output is correct |
71 |
Correct |
624 ms |
205500 KB |
Output is correct |
72 |
Correct |
637 ms |
204904 KB |
Output is correct |
73 |
Correct |
606 ms |
171928 KB |
Output is correct |
74 |
Correct |
300 ms |
198996 KB |
Output is correct |
75 |
Correct |
306 ms |
205560 KB |
Output is correct |
76 |
Correct |
318 ms |
205152 KB |
Output is correct |
77 |
Correct |
301 ms |
172192 KB |
Output is correct |
78 |
Correct |
501 ms |
161876 KB |
Output is correct |
79 |
Correct |
903 ms |
191832 KB |
Output is correct |
80 |
Correct |
846 ms |
176716 KB |
Output is correct |
81 |
Correct |
335 ms |
80212 KB |
Output is correct |
82 |
Correct |
393 ms |
127060 KB |
Output is correct |
83 |
Correct |
640 ms |
205592 KB |
Output is correct |
84 |
Correct |
376 ms |
205140 KB |
Output is correct |
85 |
Correct |
420 ms |
205648 KB |
Output is correct |
86 |
Correct |
417 ms |
169372 KB |
Output is correct |
87 |
Correct |
284 ms |
72652 KB |
Output is correct |
88 |
Correct |
357 ms |
109688 KB |
Output is correct |
89 |
Correct |
437 ms |
205624 KB |
Output is correct |
90 |
Correct |
530 ms |
206116 KB |
Output is correct |
91 |
Correct |
429 ms |
205972 KB |
Output is correct |