oj.uz

Submission #966445

# Submission time Handle Problem Language Result Execution time Memory
966445 2024-04-19T21:47:57 Z ZeroCool Digital Circuit (IOI22_circuit) C++17
2 / 100
 414 ms 15144 KB 
#include "circuit.h"
#include <bits/stdc++.h>

using namespace std;

#define pb push_back
#define all(v) v.begin(), v.end()
#define rall(v) v.rbegin(), v.rend()

using ll = long long;

const int N = 3e5 + 10;
const int MOD = 1000002022;

int n, m;
int A[N];

vector<int> g[N];

int sz[N];

void dfs1(int x){
	sz[x] = g[x].size();
	
	for(auto u: g[x]){
		dfs1(u);
		sz[x] *= sz[u];
		sz[x] %= MOD;
	}
	if(!sz[x])sz[x] = 1;
}

int X[N];

void dfs2(int x,int w){
	X[x] = w;
	
	int k = g[x].size();
	int pref[k], suff[k];
	
	for(int i = 0;i<k;i++){
		pref[i] = sz[g[x][i]];
		if(i) pref[i] = (pref[i-1] * pref[i]) % MOD;
	}
	
	for(int i = k - 1;i>=0;i--){
		suff[i] = sz[g[x][i]];
		if(i +1 < k)suff[i] = (suff[i] * suff[i+1]) % MOD;
	}
	
	for(int i = 0;i<k;i++){
		int prod = w;
		if(i)prod = (prod * pref[i-1]) % MOD;
		if(i + 1 < k)prod = (prod * suff[i+1]) % MOD;
		dfs2(g[x][i], prod);
	}
}

array<ll, 2> t[4 * N];
bool lazy[4 * N];

void build(int k,int tl,int tr){
	if(tl == tr){
		t[k] = {X[tl], 0};
		if(A[tl])swap(t[k][0], t[k][1]);
		return;
	}
	int tm = (tl + tr) / 2;
	
	build(k *2, tl, tm);
	build(k*2+1, tm + 1, tr);
	t[k][0] = (t[k*2][0] + t[k*2+1][0]) % MOD;
	t[k][1] = (t[k*2][1] + t[k*2+1][1]) % MOD;
}

void push(int k){
	if(!lazy[k])return;
	lazy[k*2] ^= 1;
	lazy[k*2+1] ^= 1;
	swap(t[k*2][0], t[k*2][1]);
	swap(t[k*2+1][0], t[k*2+1][1]);
	
	lazy[k] = 0;
}

void update(int k,int tl,int tr,int l,int r){
	if(r < tl || tr < l)return;
	
	if(l <= tl && tr <= r){
		lazy[k] ^= 1;
		swap(t[k][0], t[k][1]);
		return;
	}
	push(k);
	
	int tm = (tl + tr) / 2;
	
	update(k * 2, tl, tm, l, r);
	update(k*2+1, tm+1,tr, l, r);
	
	t[k][0] = (t[k*2][0] + t[k*2+1][0]) % MOD;
	t[k][1] = (t[k*2][1] + t[k*2+1][1]) % MOD;
}



void init(int nn, int mm, std::vector<int> P, std::vector<int> a) {
	n = nn;
	m = mm;
	
	for(int i = 1;i < n + m;i++){
		g[P[i]].pb(i);
	}
	
	for(int i = n;i<n + m;i++)A[i] = a[i - n];
	
	dfs1(0);
	dfs2(0, 1);
	
	build(1, n, n + m - 1);
}

int count_ways(int L, int R) {
	update(1, n, n + m - 1, L, R);
  return t[1][1];
}

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 13144 KB Output is correct
2 Correct 2 ms 13144 KB Output is correct
3 Correct 3 ms 13144 KB Output is correct
4 Correct 2 ms 13144 KB Output is correct
5 Correct 2 ms 13144 KB Output is correct
6 Correct 3 ms 13144 KB Output is correct
7 Correct 2 ms 13144 KB Output is correct
8 Correct 2 ms 13144 KB Output is correct

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 13144 KB Output is correct
2 Incorrect 2 ms 13144 KB 1st lines differ - on the 1st token, expected: '52130940', found: '83005428'
3 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 13144 KB Output is correct
2 Correct 2 ms 13144 KB Output is correct
3 Correct 3 ms 13144 KB Output is correct
4 Correct 2 ms 13144 KB Output is correct
5 Correct 2 ms 13144 KB Output is correct
6 Correct 3 ms 13144 KB Output is correct
7 Correct 2 ms 13144 KB Output is correct
8 Correct 2 ms 13144 KB Output is correct
9 Correct 2 ms 13144 KB Output is correct
10 Incorrect 2 ms 13144 KB 1st lines differ - on the 1st token, expected: '52130940', found: '83005428'
11 Halted 0 ms 0 KB -

Subtask #4
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 414 ms 15144 KB 1st lines differ - on the 1st token, expected: '431985922', found: '646726998'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 414 ms 15144 KB 1st lines differ - on the 1st token, expected: '431985922', found: '646726998'
2 Halted 0 ms 0 KB -

Subtask #6
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 13144 KB Output is correct
2 Incorrect 2 ms 13144 KB 1st lines differ - on the 1st token, expected: '52130940', found: '83005428'
3 Halted 0 ms 0 KB -

Subtask #7
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 13144 KB Output is correct
2 Correct 2 ms 13144 KB Output is correct
3 Correct 3 ms 13144 KB Output is correct
4 Correct 2 ms 13144 KB Output is correct
5 Correct 2 ms 13144 KB Output is correct
6 Correct 3 ms 13144 KB Output is correct
7 Correct 2 ms 13144 KB Output is correct
8 Correct 2 ms 13144 KB Output is correct
9 Correct 2 ms 13144 KB Output is correct
10 Incorrect 2 ms 13144 KB 1st lines differ - on the 1st token, expected: '52130940', found: '83005428'
11 Halted 0 ms 0 KB -

Subtask #8
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 13144 KB Output is correct
2 Correct 2 ms 13144 KB Output is correct
3 Correct 3 ms 13144 KB Output is correct
4 Correct 2 ms 13144 KB Output is correct
5 Correct 2 ms 13144 KB Output is correct
6 Correct 3 ms 13144 KB Output is correct
7 Correct 2 ms 13144 KB Output is correct
8 Correct 2 ms 13144 KB Output is correct
9 Correct 2 ms 13144 KB Output is correct
10 Incorrect 2 ms 13144 KB 1st lines differ - on the 1st token, expected: '52130940', found: '83005428'
11 Halted 0 ms 0 KB -