#include <bits/stdc++.h>
using namespace std;
typedef vector<int> vi;
typedef pair<int,int> ii;
#define ALL(x) x.begin(),x.end()
#define SIZE(x) (int)x.size()
#define forsn(i,s,n) for(int i=int(s);i<int(n);i++)
#define forn(i,n) for(int i=0;i<int(n);i++)
#define dforsn(i,s,n) for(int i=int(n)-1;i>=int(s);i--)
#define dforn(i,n) for(int i=int(n)-1;i>=0;i--)
#define fst first
#define snd second
#define pb push_back
const int MAXN = 2000;
const int MOD = 1e9+2022;
vi s, adj[MAXN];
int n, m;
void init(int N, int M, vi P, vi A) {
s=A, n=N, m=M;
forsn(i,1,n+m) adj[P[i]].pb(i);
}
int mul(int x, int y) {
return (long long) x * y % MOD;
}
void add(int &x, int v) {
x+=v;
if(x>=MOD) x-=MOD;
}
ii dfs(int u) {
int c=SIZE(adj[u]);
if(!c) return {!s[u-n], s[u-n]};
vi ways(c+1,0);
ways[0] = 1;
forn(i,c) {
ii child=dfs(adj[u][i]);
dforn(j,i+1) {
ways[j] = mul(ways[j],child.fst);
if(j) add(ways[j],mul(ways[j-1],child.snd));
}
}
ii ans = {0,0};
forsn(i,1,c+1) {
forn(j,i) add(ans.fst, ways[j]);
forsn(j,i,c+1) add(ans.snd, ways[j]);
}
return ans;
}
int count_ways(int L, int R) {
forsn(i,L,R+1) {
s[i-n]^=1;
}
return int(dfs(0).snd);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
344 KB |
1st lines differ - on the 1st token, expected: '1', found: '0' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
344 KB |
1st lines differ - on the 1st token, expected: '1', found: '0' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
344 KB |
1st lines differ - on the 1st token, expected: '1', found: '0' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
13 ms |
2548 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
13 ms |
2548 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
344 KB |
1st lines differ - on the 1st token, expected: '1', found: '0' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
344 KB |
1st lines differ - on the 1st token, expected: '1', found: '0' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
344 KB |
1st lines differ - on the 1st token, expected: '1', found: '0' |
2 |
Halted |
0 ms |
0 KB |
- |