#include <bits/stdc++.h>
using i64 = long long;
constexpr int N = 2e5 + 5, MOD = 1000002022;
int n, m, s[N];
i64 w[N], f[N], wp[N];
std::vector<int> g[N];
void calc_sum(int u) {
if (u > n) return w[u] = 1, void();
w[u] = g[u].size();
for (int v : g[u]) calc_sum(v), w[u] = w[u]*w[v]%MOD;
}
void calc_coef(int u) {
if (u > n) return;
std::vector<i64> pre(g[u].size() + 2), suf(g[u].size() + 2);
pre[0] = suf[g[u].size()+1] = 1;
for (int i = 1; i <= int(g[u].size()); ++i) pre[i] = pre[i-1]*w[g[u][i-1]]%MOD;
for (int i = int(g[u].size()); i >= 1; --i) suf[i] = suf[i+1]*w[g[u][i-1]]%MOD;
for (int i = 0; i < int(g[u].size()); ++i)
wp[g[u][i]] = wp[u]*pre[i]%MOD*suf[i+2]%MOD, calc_coef(g[u][i]);
}
#define ls(x) (x*2)
#define rs(x) (x*2+1)
struct {
int l, r, ans0, ans1;
bool tag;
} tr[N*4];
void pushup(int x) {
tr[x].ans0 = (tr[ls(x)].ans0+tr[rs(x)].ans0)%MOD;
tr[x].ans1 = (tr[ls(x)].ans1+tr[rs(x)].ans1)%MOD;
}
void build(int l, int r, int x = 1) {
tr[x] = {l, r, 0, 0, false};
if (l == r) {
if (s[l]) tr[x].ans1 = wp[l+n];
else tr[x].ans0 = wp[l+n];
return;
}
int mid = (l+r)/2;
build(l, mid, ls(x)), build(mid+1, r, rs(x));
pushup(x);
}
void update(int x) {
std::swap(tr[x].ans0, tr[x].ans1);
tr[x].tag ^= 1;
}
void pushdown(int x) {
if (tr[x].tag) {
update(ls(x)), update(rs(x));
tr[x].tag = false;
}
}
void flip(int l, int r, int x = 1) {
if (l <= tr[x].l && tr[x].r <= r) return update(x);
pushdown(x);
int mid = (tr[x].l+tr[x].r)/2;
if (l <= mid) flip(l, r, ls(x));
if (r > mid) flip(l, r, rs(x));
pushup(x);
}
#undef ls
#undef rs
void init(int n, int m, std::vector<int> p, std::vector<int> a) {
::n = n, ::m = m;
for (int i = 1; i <= m; ++i) s[i] = a[i-1];
for (int i = 1; i < n+m; ++i) g[p[i]+1].push_back(i+1);
calc_sum(1);
wp[1] = 1, calc_coef(1);
build(1, m);
}
int count_ways(int l, int r) {
flip(l-n+1, r-n+1);
return tr[1].ans1;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4944 KB |
Output is correct |
2 |
Correct |
3 ms |
4944 KB |
Output is correct |
3 |
Correct |
3 ms |
5072 KB |
Output is correct |
4 |
Correct |
3 ms |
5072 KB |
Output is correct |
5 |
Correct |
4 ms |
5072 KB |
Output is correct |
6 |
Correct |
3 ms |
5072 KB |
Output is correct |
7 |
Correct |
3 ms |
5072 KB |
Output is correct |
8 |
Correct |
4 ms |
5072 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4944 KB |
Output is correct |
2 |
Correct |
3 ms |
4944 KB |
Output is correct |
3 |
Correct |
3 ms |
5084 KB |
Output is correct |
4 |
Correct |
3 ms |
5072 KB |
Output is correct |
5 |
Correct |
3 ms |
5072 KB |
Output is correct |
6 |
Correct |
4 ms |
5072 KB |
Output is correct |
7 |
Correct |
3 ms |
5072 KB |
Output is correct |
8 |
Correct |
3 ms |
5072 KB |
Output is correct |
9 |
Correct |
3 ms |
5072 KB |
Output is correct |
10 |
Correct |
3 ms |
5328 KB |
Output is correct |
11 |
Correct |
4 ms |
5328 KB |
Output is correct |
12 |
Correct |
3 ms |
5072 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4944 KB |
Output is correct |
2 |
Correct |
3 ms |
4944 KB |
Output is correct |
3 |
Correct |
3 ms |
5072 KB |
Output is correct |
4 |
Correct |
3 ms |
5072 KB |
Output is correct |
5 |
Correct |
4 ms |
5072 KB |
Output is correct |
6 |
Correct |
3 ms |
5072 KB |
Output is correct |
7 |
Correct |
3 ms |
5072 KB |
Output is correct |
8 |
Correct |
4 ms |
5072 KB |
Output is correct |
9 |
Correct |
3 ms |
4944 KB |
Output is correct |
10 |
Correct |
3 ms |
4944 KB |
Output is correct |
11 |
Correct |
3 ms |
5084 KB |
Output is correct |
12 |
Correct |
3 ms |
5072 KB |
Output is correct |
13 |
Correct |
3 ms |
5072 KB |
Output is correct |
14 |
Correct |
4 ms |
5072 KB |
Output is correct |
15 |
Correct |
3 ms |
5072 KB |
Output is correct |
16 |
Correct |
3 ms |
5072 KB |
Output is correct |
17 |
Correct |
3 ms |
5072 KB |
Output is correct |
18 |
Correct |
3 ms |
5328 KB |
Output is correct |
19 |
Correct |
4 ms |
5328 KB |
Output is correct |
20 |
Correct |
3 ms |
5072 KB |
Output is correct |
21 |
Correct |
3 ms |
5072 KB |
Output is correct |
22 |
Correct |
3 ms |
5072 KB |
Output is correct |
23 |
Correct |
3 ms |
5072 KB |
Output is correct |
24 |
Correct |
3 ms |
5072 KB |
Output is correct |
25 |
Correct |
3 ms |
5072 KB |
Output is correct |
26 |
Correct |
3 ms |
5072 KB |
Output is correct |
27 |
Correct |
4 ms |
5072 KB |
Output is correct |
28 |
Correct |
4 ms |
5072 KB |
Output is correct |
29 |
Correct |
3 ms |
5120 KB |
Output is correct |
30 |
Correct |
3 ms |
5072 KB |
Output is correct |
31 |
Correct |
4 ms |
5200 KB |
Output is correct |
32 |
Correct |
3 ms |
5072 KB |
Output is correct |
33 |
Correct |
3 ms |
5072 KB |
Output is correct |
34 |
Correct |
4 ms |
5072 KB |
Output is correct |
35 |
Correct |
3 ms |
5072 KB |
Output is correct |
36 |
Correct |
3 ms |
5328 KB |
Output is correct |
37 |
Correct |
4 ms |
5328 KB |
Output is correct |
38 |
Correct |
4 ms |
5328 KB |
Output is correct |
39 |
Correct |
4 ms |
5072 KB |
Output is correct |
40 |
Correct |
3 ms |
5072 KB |
Output is correct |
41 |
Correct |
3 ms |
5072 KB |
Output is correct |
42 |
Correct |
4 ms |
5072 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
760 ms |
9216 KB |
Output is correct |
2 |
Correct |
814 ms |
13552 KB |
Output is correct |
3 |
Correct |
933 ms |
13452 KB |
Output is correct |
4 |
Correct |
967 ms |
13408 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
760 ms |
9216 KB |
Output is correct |
2 |
Correct |
814 ms |
13552 KB |
Output is correct |
3 |
Correct |
933 ms |
13452 KB |
Output is correct |
4 |
Correct |
967 ms |
13408 KB |
Output is correct |
5 |
Correct |
748 ms |
9160 KB |
Output is correct |
6 |
Correct |
909 ms |
13384 KB |
Output is correct |
7 |
Correct |
1134 ms |
13460 KB |
Output is correct |
8 |
Correct |
741 ms |
13388 KB |
Output is correct |
9 |
Correct |
538 ms |
5264 KB |
Output is correct |
10 |
Correct |
758 ms |
5456 KB |
Output is correct |
11 |
Correct |
825 ms |
5456 KB |
Output is correct |
12 |
Correct |
889 ms |
5456 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4944 KB |
Output is correct |
2 |
Correct |
3 ms |
4944 KB |
Output is correct |
3 |
Correct |
3 ms |
5084 KB |
Output is correct |
4 |
Correct |
3 ms |
5072 KB |
Output is correct |
5 |
Correct |
3 ms |
5072 KB |
Output is correct |
6 |
Correct |
4 ms |
5072 KB |
Output is correct |
7 |
Correct |
3 ms |
5072 KB |
Output is correct |
8 |
Correct |
3 ms |
5072 KB |
Output is correct |
9 |
Correct |
3 ms |
5072 KB |
Output is correct |
10 |
Correct |
3 ms |
5328 KB |
Output is correct |
11 |
Correct |
4 ms |
5328 KB |
Output is correct |
12 |
Correct |
3 ms |
5072 KB |
Output is correct |
13 |
Correct |
760 ms |
9216 KB |
Output is correct |
14 |
Correct |
814 ms |
13552 KB |
Output is correct |
15 |
Correct |
933 ms |
13452 KB |
Output is correct |
16 |
Correct |
967 ms |
13408 KB |
Output is correct |
17 |
Correct |
748 ms |
9160 KB |
Output is correct |
18 |
Correct |
909 ms |
13384 KB |
Output is correct |
19 |
Correct |
1134 ms |
13460 KB |
Output is correct |
20 |
Correct |
741 ms |
13388 KB |
Output is correct |
21 |
Correct |
538 ms |
5264 KB |
Output is correct |
22 |
Correct |
758 ms |
5456 KB |
Output is correct |
23 |
Correct |
825 ms |
5456 KB |
Output is correct |
24 |
Correct |
889 ms |
5456 KB |
Output is correct |
25 |
Correct |
846 ms |
18888 KB |
Output is correct |
26 |
Correct |
980 ms |
19016 KB |
Output is correct |
27 |
Correct |
1049 ms |
19112 KB |
Output is correct |
28 |
Correct |
835 ms |
19100 KB |
Output is correct |
29 |
Correct |
1088 ms |
42524 KB |
Output is correct |
30 |
Correct |
916 ms |
42612 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4944 KB |
Output is correct |
2 |
Correct |
3 ms |
4944 KB |
Output is correct |
3 |
Correct |
3 ms |
5072 KB |
Output is correct |
4 |
Correct |
3 ms |
5072 KB |
Output is correct |
5 |
Correct |
4 ms |
5072 KB |
Output is correct |
6 |
Correct |
3 ms |
5072 KB |
Output is correct |
7 |
Correct |
3 ms |
5072 KB |
Output is correct |
8 |
Correct |
4 ms |
5072 KB |
Output is correct |
9 |
Correct |
3 ms |
4944 KB |
Output is correct |
10 |
Correct |
3 ms |
4944 KB |
Output is correct |
11 |
Correct |
3 ms |
5084 KB |
Output is correct |
12 |
Correct |
3 ms |
5072 KB |
Output is correct |
13 |
Correct |
3 ms |
5072 KB |
Output is correct |
14 |
Correct |
4 ms |
5072 KB |
Output is correct |
15 |
Correct |
3 ms |
5072 KB |
Output is correct |
16 |
Correct |
3 ms |
5072 KB |
Output is correct |
17 |
Correct |
3 ms |
5072 KB |
Output is correct |
18 |
Correct |
3 ms |
5328 KB |
Output is correct |
19 |
Correct |
4 ms |
5328 KB |
Output is correct |
20 |
Correct |
3 ms |
5072 KB |
Output is correct |
21 |
Correct |
3 ms |
5072 KB |
Output is correct |
22 |
Correct |
3 ms |
5072 KB |
Output is correct |
23 |
Correct |
3 ms |
5072 KB |
Output is correct |
24 |
Correct |
3 ms |
5072 KB |
Output is correct |
25 |
Correct |
3 ms |
5072 KB |
Output is correct |
26 |
Correct |
3 ms |
5072 KB |
Output is correct |
27 |
Correct |
4 ms |
5072 KB |
Output is correct |
28 |
Correct |
4 ms |
5072 KB |
Output is correct |
29 |
Correct |
3 ms |
5120 KB |
Output is correct |
30 |
Correct |
3 ms |
5072 KB |
Output is correct |
31 |
Correct |
4 ms |
5200 KB |
Output is correct |
32 |
Correct |
3 ms |
5072 KB |
Output is correct |
33 |
Correct |
3 ms |
5072 KB |
Output is correct |
34 |
Correct |
4 ms |
5072 KB |
Output is correct |
35 |
Correct |
3 ms |
5072 KB |
Output is correct |
36 |
Correct |
3 ms |
5328 KB |
Output is correct |
37 |
Correct |
4 ms |
5328 KB |
Output is correct |
38 |
Correct |
4 ms |
5328 KB |
Output is correct |
39 |
Correct |
4 ms |
5072 KB |
Output is correct |
40 |
Correct |
3 ms |
5072 KB |
Output is correct |
41 |
Correct |
3 ms |
5072 KB |
Output is correct |
42 |
Correct |
4 ms |
5072 KB |
Output is correct |
43 |
Correct |
655 ms |
5388 KB |
Output is correct |
44 |
Correct |
873 ms |
5456 KB |
Output is correct |
45 |
Correct |
790 ms |
5392 KB |
Output is correct |
46 |
Correct |
879 ms |
5772 KB |
Output is correct |
47 |
Correct |
993 ms |
5772 KB |
Output is correct |
48 |
Correct |
775 ms |
5712 KB |
Output is correct |
49 |
Correct |
874 ms |
5712 KB |
Output is correct |
50 |
Correct |
897 ms |
5712 KB |
Output is correct |
51 |
Correct |
670 ms |
5644 KB |
Output is correct |
52 |
Correct |
764 ms |
5640 KB |
Output is correct |
53 |
Correct |
608 ms |
6224 KB |
Output is correct |
54 |
Correct |
912 ms |
5704 KB |
Output is correct |
55 |
Correct |
1027 ms |
5644 KB |
Output is correct |
56 |
Correct |
907 ms |
5512 KB |
Output is correct |
57 |
Correct |
758 ms |
5520 KB |
Output is correct |
58 |
Correct |
1018 ms |
6864 KB |
Output is correct |
59 |
Correct |
1100 ms |
6864 KB |
Output is correct |
60 |
Correct |
958 ms |
6796 KB |
Output is correct |
61 |
Correct |
990 ms |
5640 KB |
Output is correct |
62 |
Correct |
903 ms |
5328 KB |
Output is correct |
63 |
Correct |
697 ms |
5328 KB |
Output is correct |
64 |
Correct |
913 ms |
5520 KB |
Output is correct |
65 |
Correct |
482 ms |
5200 KB |
Output is correct |
66 |
Correct |
782 ms |
5512 KB |
Output is correct |
67 |
Correct |
776 ms |
5520 KB |
Output is correct |
68 |
Correct |
765 ms |
5456 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4944 KB |
Output is correct |
2 |
Correct |
3 ms |
4944 KB |
Output is correct |
3 |
Correct |
3 ms |
5072 KB |
Output is correct |
4 |
Correct |
3 ms |
5072 KB |
Output is correct |
5 |
Correct |
4 ms |
5072 KB |
Output is correct |
6 |
Correct |
3 ms |
5072 KB |
Output is correct |
7 |
Correct |
3 ms |
5072 KB |
Output is correct |
8 |
Correct |
4 ms |
5072 KB |
Output is correct |
9 |
Correct |
3 ms |
4944 KB |
Output is correct |
10 |
Correct |
3 ms |
4944 KB |
Output is correct |
11 |
Correct |
3 ms |
5084 KB |
Output is correct |
12 |
Correct |
3 ms |
5072 KB |
Output is correct |
13 |
Correct |
3 ms |
5072 KB |
Output is correct |
14 |
Correct |
4 ms |
5072 KB |
Output is correct |
15 |
Correct |
3 ms |
5072 KB |
Output is correct |
16 |
Correct |
3 ms |
5072 KB |
Output is correct |
17 |
Correct |
3 ms |
5072 KB |
Output is correct |
18 |
Correct |
3 ms |
5328 KB |
Output is correct |
19 |
Correct |
4 ms |
5328 KB |
Output is correct |
20 |
Correct |
3 ms |
5072 KB |
Output is correct |
21 |
Correct |
3 ms |
5072 KB |
Output is correct |
22 |
Correct |
3 ms |
5072 KB |
Output is correct |
23 |
Correct |
3 ms |
5072 KB |
Output is correct |
24 |
Correct |
3 ms |
5072 KB |
Output is correct |
25 |
Correct |
3 ms |
5072 KB |
Output is correct |
26 |
Correct |
3 ms |
5072 KB |
Output is correct |
27 |
Correct |
4 ms |
5072 KB |
Output is correct |
28 |
Correct |
4 ms |
5072 KB |
Output is correct |
29 |
Correct |
3 ms |
5120 KB |
Output is correct |
30 |
Correct |
3 ms |
5072 KB |
Output is correct |
31 |
Correct |
4 ms |
5200 KB |
Output is correct |
32 |
Correct |
3 ms |
5072 KB |
Output is correct |
33 |
Correct |
3 ms |
5072 KB |
Output is correct |
34 |
Correct |
4 ms |
5072 KB |
Output is correct |
35 |
Correct |
3 ms |
5072 KB |
Output is correct |
36 |
Correct |
3 ms |
5328 KB |
Output is correct |
37 |
Correct |
4 ms |
5328 KB |
Output is correct |
38 |
Correct |
4 ms |
5328 KB |
Output is correct |
39 |
Correct |
4 ms |
5072 KB |
Output is correct |
40 |
Correct |
3 ms |
5072 KB |
Output is correct |
41 |
Correct |
3 ms |
5072 KB |
Output is correct |
42 |
Correct |
4 ms |
5072 KB |
Output is correct |
43 |
Correct |
760 ms |
9216 KB |
Output is correct |
44 |
Correct |
814 ms |
13552 KB |
Output is correct |
45 |
Correct |
933 ms |
13452 KB |
Output is correct |
46 |
Correct |
967 ms |
13408 KB |
Output is correct |
47 |
Correct |
748 ms |
9160 KB |
Output is correct |
48 |
Correct |
909 ms |
13384 KB |
Output is correct |
49 |
Correct |
1134 ms |
13460 KB |
Output is correct |
50 |
Correct |
741 ms |
13388 KB |
Output is correct |
51 |
Correct |
538 ms |
5264 KB |
Output is correct |
52 |
Correct |
758 ms |
5456 KB |
Output is correct |
53 |
Correct |
825 ms |
5456 KB |
Output is correct |
54 |
Correct |
889 ms |
5456 KB |
Output is correct |
55 |
Correct |
846 ms |
18888 KB |
Output is correct |
56 |
Correct |
980 ms |
19016 KB |
Output is correct |
57 |
Correct |
1049 ms |
19112 KB |
Output is correct |
58 |
Correct |
835 ms |
19100 KB |
Output is correct |
59 |
Correct |
1088 ms |
42524 KB |
Output is correct |
60 |
Correct |
916 ms |
42612 KB |
Output is correct |
61 |
Correct |
655 ms |
5388 KB |
Output is correct |
62 |
Correct |
873 ms |
5456 KB |
Output is correct |
63 |
Correct |
790 ms |
5392 KB |
Output is correct |
64 |
Correct |
879 ms |
5772 KB |
Output is correct |
65 |
Correct |
993 ms |
5772 KB |
Output is correct |
66 |
Correct |
775 ms |
5712 KB |
Output is correct |
67 |
Correct |
874 ms |
5712 KB |
Output is correct |
68 |
Correct |
897 ms |
5712 KB |
Output is correct |
69 |
Correct |
670 ms |
5644 KB |
Output is correct |
70 |
Correct |
764 ms |
5640 KB |
Output is correct |
71 |
Correct |
608 ms |
6224 KB |
Output is correct |
72 |
Correct |
912 ms |
5704 KB |
Output is correct |
73 |
Correct |
1027 ms |
5644 KB |
Output is correct |
74 |
Correct |
907 ms |
5512 KB |
Output is correct |
75 |
Correct |
758 ms |
5520 KB |
Output is correct |
76 |
Correct |
1018 ms |
6864 KB |
Output is correct |
77 |
Correct |
1100 ms |
6864 KB |
Output is correct |
78 |
Correct |
958 ms |
6796 KB |
Output is correct |
79 |
Correct |
990 ms |
5640 KB |
Output is correct |
80 |
Correct |
903 ms |
5328 KB |
Output is correct |
81 |
Correct |
697 ms |
5328 KB |
Output is correct |
82 |
Correct |
913 ms |
5520 KB |
Output is correct |
83 |
Correct |
482 ms |
5200 KB |
Output is correct |
84 |
Correct |
782 ms |
5512 KB |
Output is correct |
85 |
Correct |
776 ms |
5520 KB |
Output is correct |
86 |
Correct |
765 ms |
5456 KB |
Output is correct |
87 |
Correct |
2 ms |
4944 KB |
Output is correct |
88 |
Correct |
571 ms |
18164 KB |
Output is correct |
89 |
Correct |
999 ms |
13512 KB |
Output is correct |
90 |
Correct |
872 ms |
13312 KB |
Output is correct |
91 |
Correct |
1022 ms |
19208 KB |
Output is correct |
92 |
Correct |
1158 ms |
19204 KB |
Output is correct |
93 |
Correct |
1006 ms |
19144 KB |
Output is correct |
94 |
Correct |
1038 ms |
19308 KB |
Output is correct |
95 |
Correct |
993 ms |
19316 KB |
Output is correct |
96 |
Correct |
934 ms |
14072 KB |
Output is correct |
97 |
Correct |
958 ms |
14116 KB |
Output is correct |
98 |
Correct |
733 ms |
30792 KB |
Output is correct |
99 |
Correct |
828 ms |
19076 KB |
Output is correct |
100 |
Correct |
872 ms |
16328 KB |
Output is correct |
101 |
Correct |
914 ms |
15488 KB |
Output is correct |
102 |
Correct |
874 ms |
14080 KB |
Output is correct |
103 |
Correct |
941 ms |
42500 KB |
Output is correct |
104 |
Correct |
826 ms |
39808 KB |
Output is correct |
105 |
Correct |
982 ms |
39820 KB |
Output is correct |
106 |
Correct |
1006 ms |
18116 KB |
Output is correct |
107 |
Correct |
939 ms |
14408 KB |
Output is correct |
108 |
Correct |
1012 ms |
14560 KB |
Output is correct |
109 |
Correct |
997 ms |
14236 KB |
Output is correct |