#include "rainbow.h"
#include <set>
#include <utility>
#include <iostream>
#define MAXN 100005
using namespace std;
class PersistentSegtree {
int ST[MAXN*40][3], R[MAXN*2], X[MAXN*2];
int V=1, P=1;
int upd(int ind, int l, int r, int cur) {
if (l > ind || ind > r) {return(cur);}
if (l == r) {
ST[V][0] = ST[cur][0] + 1, V++;
return(V-1);
} else {
int mid = (l + r) >> 1, at = V;
V++;
ST[at][1] = upd(ind, l, mid, ST[cur][1]);
ST[at][2] = upd(ind, mid+1, r, ST[cur][2]);
ST[at][0] = ST[ST[at][1]][0] + ST[ST[at][2]][0];
return(at);
}
}
int ask(int lo, int hi, int l, int r, int cur) {
if (l > hi || r < lo || cur == 0) {return(0);}
else if (lo <= l && hi >= r) {return(ST[cur][0]);}
else {
int mid = (l + r) >> 1;
return(ask(lo, hi, l, mid, ST[cur][1])+
ask(lo, hi, mid+1, r, ST[cur][2]));
}
}
public:
void put(int x, int y) {
X[P] = x;
R[P] = upd(y, 1, MAXN, R[P-1]);
P++;
}
int lb(int x) {
int lo = 0, hi = P;
while (lo + 1 != hi) {
int mid = (lo + hi) >> 1;
if (X[mid] > x) {hi = mid;}
else {lo = mid;}
}
return(lo);
}
int ask(int xlo, int ylo, int xhi, int yhi) {
if (xlo > xhi || ylo > yhi) {return(0);}
int ql = lb(xlo-1), qr = lb(xhi);
return(ask(ylo, yhi, 1, MAXN, R[qr])-
ask(ylo, yhi, 1, MAXN, R[ql]));
}
} rT, vT, hT, VT;
int R,C;
set<pair<int,int> > rS, vS, hS, VS;
void init(int r, int c, int sr, int sc, int M, char *S) {
R = r, C = c;
int x = sr, y = sc; //cur
for (int i=0; i<=M; i++) {
rS.insert({x, y}); //river
vS.insert({x,y}); //lines
vS.insert({x,y+1});
hS.insert({x,y});
hS.insert({x+1,y});
VS.insert({x,y}); //vertex
VS.insert({x+1,y});
VS.insert({x,y+1});
VS.insert({x+1,y+1});
if (i == M) {break;}
switch(S[i]) {
case 'N':
x--;
break;
case 'S':
x++;
break;
case 'W':
y--;
break;
case 'E':
y++;
break;
}
}
for (auto p: rS) {
rT.put(p.first,p.second);
}
for (auto p: vS) {
vT.put(p.first,p.second);
}
for (auto p: hS) {
hT.put(p.first,p.second);
}
for (auto p: VS) {
VT.put(p.first,p.second);
}
}
int colour(int ar, int ac, int br, int bc) {
int V = VT.ask(ar+1, ac+1, br, bc);
int Fr = rT.ask(ar, ac, br, bc);
int E = hT.ask(ar+1, ac, br, bc) + vT.ask(ar, ac+1, br, bc);
int ans = E - V - Fr + 1;
if (V == VS.size()) {ans+=1;}
return(ans);
}
Compilation message
rainbow.cpp: In function 'int colour(int, int, int, int)':
rainbow.cpp:107:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if (V == VS.size()) {ans+=1;}
~~^~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
9 ms |
640 KB |
Output is correct |
2 |
Correct |
11 ms |
1664 KB |
Output is correct |
3 |
Correct |
9 ms |
768 KB |
Output is correct |
4 |
Correct |
7 ms |
768 KB |
Output is correct |
5 |
Correct |
11 ms |
2048 KB |
Output is correct |
6 |
Correct |
4 ms |
384 KB |
Output is correct |
7 |
Correct |
5 ms |
384 KB |
Output is correct |
8 |
Correct |
5 ms |
384 KB |
Output is correct |
9 |
Correct |
5 ms |
384 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
11 |
Correct |
8 ms |
896 KB |
Output is correct |
12 |
Correct |
10 ms |
1536 KB |
Output is correct |
13 |
Correct |
11 ms |
2560 KB |
Output is correct |
14 |
Correct |
13 ms |
2944 KB |
Output is correct |
15 |
Correct |
4 ms |
384 KB |
Output is correct |
16 |
Correct |
5 ms |
512 KB |
Output is correct |
17 |
Correct |
4 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
512 KB |
Output is correct |
2 |
Correct |
4 ms |
384 KB |
Output is correct |
3 |
Correct |
432 ms |
95072 KB |
Output is correct |
4 |
Correct |
634 ms |
158616 KB |
Output is correct |
5 |
Correct |
648 ms |
157416 KB |
Output is correct |
6 |
Correct |
535 ms |
121520 KB |
Output is correct |
7 |
Correct |
643 ms |
119288 KB |
Output is correct |
8 |
Correct |
93 ms |
1272 KB |
Output is correct |
9 |
Correct |
667 ms |
158584 KB |
Output is correct |
10 |
Correct |
684 ms |
157328 KB |
Output is correct |
11 |
Correct |
573 ms |
121464 KB |
Output is correct |
12 |
Correct |
425 ms |
147576 KB |
Output is correct |
13 |
Correct |
453 ms |
158584 KB |
Output is correct |
14 |
Correct |
472 ms |
157436 KB |
Output is correct |
15 |
Correct |
451 ms |
121596 KB |
Output is correct |
16 |
Correct |
453 ms |
112376 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
384 KB |
Output is correct |
2 |
Correct |
334 ms |
95736 KB |
Output is correct |
3 |
Correct |
357 ms |
160248 KB |
Output is correct |
4 |
Correct |
377 ms |
157944 KB |
Output is correct |
5 |
Correct |
279 ms |
118520 KB |
Output is correct |
6 |
Correct |
90 ms |
6648 KB |
Output is correct |
7 |
Correct |
218 ms |
59256 KB |
Output is correct |
8 |
Correct |
369 ms |
141052 KB |
Output is correct |
9 |
Correct |
360 ms |
125304 KB |
Output is correct |
10 |
Correct |
112 ms |
31736 KB |
Output is correct |
11 |
Correct |
242 ms |
77816 KB |
Output is correct |
12 |
Correct |
325 ms |
95736 KB |
Output is correct |
13 |
Correct |
363 ms |
160248 KB |
Output is correct |
14 |
Correct |
360 ms |
158200 KB |
Output is correct |
15 |
Correct |
286 ms |
118648 KB |
Output is correct |
16 |
Correct |
116 ms |
24184 KB |
Output is correct |
17 |
Correct |
207 ms |
59384 KB |
Output is correct |
18 |
Correct |
356 ms |
158200 KB |
Output is correct |
19 |
Correct |
376 ms |
159096 KB |
Output is correct |
20 |
Correct |
409 ms |
159096 KB |
Output is correct |
21 |
Correct |
370 ms |
141048 KB |
Output is correct |
22 |
Correct |
369 ms |
125432 KB |
Output is correct |
23 |
Correct |
107 ms |
31712 KB |
Output is correct |
24 |
Correct |
228 ms |
77816 KB |
Output is correct |
25 |
Correct |
325 ms |
95736 KB |
Output is correct |
26 |
Correct |
355 ms |
160248 KB |
Output is correct |
27 |
Correct |
363 ms |
158072 KB |
Output is correct |
28 |
Correct |
286 ms |
118776 KB |
Output is correct |
29 |
Correct |
120 ms |
24056 KB |
Output is correct |
30 |
Correct |
202 ms |
59384 KB |
Output is correct |
31 |
Correct |
341 ms |
158072 KB |
Output is correct |
32 |
Correct |
377 ms |
159176 KB |
Output is correct |
33 |
Correct |
375 ms |
158968 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
9 ms |
640 KB |
Output is correct |
2 |
Correct |
11 ms |
1664 KB |
Output is correct |
3 |
Correct |
9 ms |
768 KB |
Output is correct |
4 |
Correct |
7 ms |
768 KB |
Output is correct |
5 |
Correct |
11 ms |
2048 KB |
Output is correct |
6 |
Correct |
4 ms |
384 KB |
Output is correct |
7 |
Correct |
5 ms |
384 KB |
Output is correct |
8 |
Correct |
5 ms |
384 KB |
Output is correct |
9 |
Correct |
5 ms |
384 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
11 |
Correct |
8 ms |
896 KB |
Output is correct |
12 |
Correct |
10 ms |
1536 KB |
Output is correct |
13 |
Correct |
11 ms |
2560 KB |
Output is correct |
14 |
Correct |
13 ms |
2944 KB |
Output is correct |
15 |
Correct |
4 ms |
384 KB |
Output is correct |
16 |
Correct |
5 ms |
512 KB |
Output is correct |
17 |
Correct |
4 ms |
384 KB |
Output is correct |
18 |
Correct |
1040 ms |
83728 KB |
Output is correct |
19 |
Correct |
305 ms |
7496 KB |
Output is correct |
20 |
Correct |
235 ms |
4472 KB |
Output is correct |
21 |
Correct |
272 ms |
5112 KB |
Output is correct |
22 |
Correct |
291 ms |
5948 KB |
Output is correct |
23 |
Correct |
309 ms |
7416 KB |
Output is correct |
24 |
Correct |
249 ms |
5112 KB |
Output is correct |
25 |
Correct |
282 ms |
5756 KB |
Output is correct |
26 |
Correct |
295 ms |
6264 KB |
Output is correct |
27 |
Correct |
451 ms |
68216 KB |
Output is correct |
28 |
Correct |
348 ms |
34936 KB |
Output is correct |
29 |
Correct |
430 ms |
62840 KB |
Output is correct |
30 |
Correct |
806 ms |
161528 KB |
Output is correct |
31 |
Correct |
9 ms |
640 KB |
Output is correct |
32 |
Correct |
777 ms |
69116 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
9 ms |
640 KB |
Output is correct |
2 |
Correct |
11 ms |
1664 KB |
Output is correct |
3 |
Correct |
9 ms |
768 KB |
Output is correct |
4 |
Correct |
7 ms |
768 KB |
Output is correct |
5 |
Correct |
11 ms |
2048 KB |
Output is correct |
6 |
Correct |
4 ms |
384 KB |
Output is correct |
7 |
Correct |
5 ms |
384 KB |
Output is correct |
8 |
Correct |
5 ms |
384 KB |
Output is correct |
9 |
Correct |
5 ms |
384 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
11 |
Correct |
8 ms |
896 KB |
Output is correct |
12 |
Correct |
10 ms |
1536 KB |
Output is correct |
13 |
Correct |
11 ms |
2560 KB |
Output is correct |
14 |
Correct |
13 ms |
2944 KB |
Output is correct |
15 |
Correct |
4 ms |
384 KB |
Output is correct |
16 |
Correct |
5 ms |
512 KB |
Output is correct |
17 |
Correct |
4 ms |
384 KB |
Output is correct |
18 |
Correct |
1040 ms |
83728 KB |
Output is correct |
19 |
Correct |
305 ms |
7496 KB |
Output is correct |
20 |
Correct |
235 ms |
4472 KB |
Output is correct |
21 |
Correct |
272 ms |
5112 KB |
Output is correct |
22 |
Correct |
291 ms |
5948 KB |
Output is correct |
23 |
Correct |
309 ms |
7416 KB |
Output is correct |
24 |
Correct |
249 ms |
5112 KB |
Output is correct |
25 |
Correct |
282 ms |
5756 KB |
Output is correct |
26 |
Correct |
295 ms |
6264 KB |
Output is correct |
27 |
Correct |
451 ms |
68216 KB |
Output is correct |
28 |
Correct |
348 ms |
34936 KB |
Output is correct |
29 |
Correct |
430 ms |
62840 KB |
Output is correct |
30 |
Correct |
806 ms |
161528 KB |
Output is correct |
31 |
Correct |
9 ms |
640 KB |
Output is correct |
32 |
Correct |
777 ms |
69116 KB |
Output is correct |
33 |
Correct |
334 ms |
95736 KB |
Output is correct |
34 |
Correct |
357 ms |
160248 KB |
Output is correct |
35 |
Correct |
377 ms |
157944 KB |
Output is correct |
36 |
Correct |
279 ms |
118520 KB |
Output is correct |
37 |
Correct |
90 ms |
6648 KB |
Output is correct |
38 |
Correct |
218 ms |
59256 KB |
Output is correct |
39 |
Correct |
369 ms |
141052 KB |
Output is correct |
40 |
Correct |
360 ms |
125304 KB |
Output is correct |
41 |
Correct |
112 ms |
31736 KB |
Output is correct |
42 |
Correct |
242 ms |
77816 KB |
Output is correct |
43 |
Correct |
325 ms |
95736 KB |
Output is correct |
44 |
Correct |
363 ms |
160248 KB |
Output is correct |
45 |
Correct |
360 ms |
158200 KB |
Output is correct |
46 |
Correct |
286 ms |
118648 KB |
Output is correct |
47 |
Correct |
116 ms |
24184 KB |
Output is correct |
48 |
Correct |
207 ms |
59384 KB |
Output is correct |
49 |
Correct |
356 ms |
158200 KB |
Output is correct |
50 |
Correct |
376 ms |
159096 KB |
Output is correct |
51 |
Correct |
409 ms |
159096 KB |
Output is correct |
52 |
Correct |
370 ms |
141048 KB |
Output is correct |
53 |
Correct |
369 ms |
125432 KB |
Output is correct |
54 |
Correct |
107 ms |
31712 KB |
Output is correct |
55 |
Correct |
228 ms |
77816 KB |
Output is correct |
56 |
Correct |
325 ms |
95736 KB |
Output is correct |
57 |
Correct |
355 ms |
160248 KB |
Output is correct |
58 |
Correct |
363 ms |
158072 KB |
Output is correct |
59 |
Correct |
286 ms |
118776 KB |
Output is correct |
60 |
Correct |
120 ms |
24056 KB |
Output is correct |
61 |
Correct |
202 ms |
59384 KB |
Output is correct |
62 |
Correct |
341 ms |
158072 KB |
Output is correct |
63 |
Correct |
377 ms |
159176 KB |
Output is correct |
64 |
Correct |
375 ms |
158968 KB |
Output is correct |
65 |
Correct |
1091 ms |
144888 KB |
Output is correct |
66 |
Correct |
1163 ms |
128764 KB |
Output is correct |
67 |
Correct |
462 ms |
35136 KB |
Output is correct |
68 |
Correct |
534 ms |
81276 KB |
Output is correct |
69 |
Incorrect |
506 ms |
99320 KB |
Output isn't correct |
70 |
Halted |
0 ms |
0 KB |
- |