#include "circuit.h"
#include <bits/stdc++.h>
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target ("avx2")
using namespace std;
#define int long long
const int N = 200023, M = 1000002022;
int a[N], p[N];
int ans[N];
int st[N];
vector <int> g[N];
int pre[N], suf[N];
int x[N];
void predfs (int v) {
int sz = (int)g[v].size();
if (sz == 0) {
st[v] = 1;
return;
}
st[v] = sz;
for (int u : g[v]) {
predfs (u);
st[v] = (st[v] * st[u]) % M;
}
}
void dfs (int v) {
int sz = (int)g[v].size();
if (sz == 0) {
return;
}
pre[0] = 1;
suf[sz] = 1;
for (int i = 0; i < sz; i++) {
int u = g[v][i];
pre[i + 1] = (pre[i] * st[u]) % M;
}
for (int i = sz - 1; i >= 0; i--) {
int u = g[v][i];
suf[i] = (suf[i + 1] * st[u]) % M;
}
for (int i = 0; i < sz; i++) {
int u = g[v][i];
ans[u] = (ans[v] * ((pre[i] * suf[i + 1]) % M) % M);
}
for (int i = 0; i < sz; i++) {
int u = g[v][i];
dfs (u);
}
}
int m, n;
const int SegN = (1 << 19);
int seg[SegN], sum[SegN];
bool lz[SegN];
void build (int v = 1, int tl = 0, int tr = N - 1) {
lz[v] = false;
if (tl == tr) {
seg[v] = a[tl] * p[tl];
sum[v] = p[tl];
} else {
int mid = (tl + tr) >> 1;
build (v << 1, tl, mid);
build (v << 1 | 1, mid + 1, tr);
seg[v] = seg[v << 1 | 1] + seg[v << 1];
sum[v] = sum[v << 1 | 1] + sum[v << 1];
}
}
void shift (int v) {
if (lz[v]) {
seg[v << 1] = sum[v << 1] - seg[v << 1];
seg[v << 1 | 1] = sum[v << 1 | 1] - seg[v << 1 | 1];
lz[v << 1] ^= 1;
lz[v << 1 | 1] ^= 1;
}
}
void upd (int l, int r, int v = 1, int tl = 0, int tr = N - 1) {
if (l > tr || tl > r)
return;
if (l <= tl && tr <= r) {
seg[v] = sum[v] - seg[v];
lz[v] ^= 1;
return;
}
shift (v);
int mid = (tl + tr) >> 1;
upd (l, r, v << 1, tl, mid);
upd (l, r, v << 1 | 1, mid + 1, tr);
seg[v] = seg[v << 1] + seg[v << 1 | 1];
}
void init(int32_t N, int32_t M, std::vector<int32_t> P, std::vector<int32_t> A) {
n = N;
for (int i = 0; i < N + M; i++) {
g[P[i]].push_back(i);
}
m = M;
for (int i = 0; i < M; i++)
a[i] = A[i];
predfs (0);
ans[0] = 1;
dfs (0);
for (int i = 0; i < M; i++)
p[i] = ans[i + N];
build();
}
int32_t count_ways(int32_t L, int32_t R) {
L -= n;
R -= n;
upd (L, R);
return seg[1] % M;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
23128 KB |
Output is correct |
2 |
Correct |
4 ms |
23128 KB |
Output is correct |
3 |
Incorrect |
4 ms |
23216 KB |
5th lines differ - on the 1st token, expected: '481', found: '476' |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
23096 KB |
Output is correct |
2 |
Correct |
3 ms |
23056 KB |
Output is correct |
3 |
Incorrect |
4 ms |
23128 KB |
5th lines differ - on the 1st token, expected: '70832346', found: '964670064' |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
23128 KB |
Output is correct |
2 |
Correct |
4 ms |
23128 KB |
Output is correct |
3 |
Incorrect |
4 ms |
23216 KB |
5th lines differ - on the 1st token, expected: '481', found: '476' |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
476 ms |
25176 KB |
Output is correct |
2 |
Correct |
633 ms |
27224 KB |
Output is correct |
3 |
Correct |
642 ms |
27224 KB |
Output is correct |
4 |
Correct |
631 ms |
27216 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
476 ms |
25176 KB |
Output is correct |
2 |
Correct |
633 ms |
27224 KB |
Output is correct |
3 |
Correct |
642 ms |
27224 KB |
Output is correct |
4 |
Correct |
631 ms |
27216 KB |
Output is correct |
5 |
Incorrect |
486 ms |
25068 KB |
4th lines differ - on the 1st token, expected: '17023698', found: '766803418' |
6 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
23096 KB |
Output is correct |
2 |
Correct |
3 ms |
23056 KB |
Output is correct |
3 |
Incorrect |
4 ms |
23128 KB |
5th lines differ - on the 1st token, expected: '70832346', found: '964670064' |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
23128 KB |
Output is correct |
2 |
Correct |
4 ms |
23128 KB |
Output is correct |
3 |
Incorrect |
4 ms |
23216 KB |
5th lines differ - on the 1st token, expected: '481', found: '476' |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
23128 KB |
Output is correct |
2 |
Correct |
4 ms |
23128 KB |
Output is correct |
3 |
Incorrect |
4 ms |
23216 KB |
5th lines differ - on the 1st token, expected: '481', found: '476' |
4 |
Halted |
0 ms |
0 KB |
- |