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Submission #1042903

# Submission time Handle Problem Language Result Execution time Memory
1042903 2024-08-03T14:28:36 Z Alihan_8 Digital Circuit (IOI22_circuit) C++17
2 / 100
 3000 ms 4184 KB 
#include "circuit.h"

#include <vector>

#include <bits/stdc++.h>

using namespace std;

#define ar array
#define pb push_back
#define ln '\n'

const int Mod = 1000002022;

vector <int> a;

vector <vector<int>> adj;

vector <int> dp;

int n, m;

template <class F, class S>
void add(F &x, const S &y){
	x = (x + 0LL + y) % Mod;
	
	if ( x < 0 ) x += Mod; 
}

void init(int N, int M, std::vector<int> P, std::vector<int> A) {
	a = A, n = N, m = M;
	
	adj.resize(n + m);
	
	for ( int i = 1; i < n + m; i++ ){
		adj[P[i]].pb(i);
	}
	
	vector <int> s(n + m);
	
	dp.resize(m);
	
	auto dfs = [&](auto dfs, int u, int cnt) -> void{
		if ( u >= n ){
			dp[u - n] = cnt;
			
			return;
		}
		
		int s = adj[u].size();
		
		vector <int> child, vl;
		
		for ( auto &v: adj[u] ){
			int x = adj[v].size();
			
			child.pb(v); vl.pb(max(1, x));
		}
		
		vector <int> pf(s + 1, 1), sf(s + 2, 1);
		
		for ( int i = 0; i < s; i++ ){
			pf[i + 1] = pf[i] * 1LL * vl[i] % Mod;
		}
		
		for ( int i = s; i > 0; i-- ){
			sf[i] = sf[i + 1] * 1LL * vl[i - 1] % Mod;
		}
		
		for ( int i = 0; i < s; i++ ){
			int nxt = cnt * 1LL * pf[i] % Mod * sf[i + 2] % Mod;
			
			dfs(dfs, child[i], nxt);
		}
	};
	
	dfs(dfs, 0, 1);
}

int count_ways(int L, int R) {
	L -= n, R -= n;
	
	int cnt = 0;
	
	for ( int i = L; i <= R; i++ ){
		a[i] ^= 1;
	}
	
	for ( int i = 0; i < m; i++ ){
		add(cnt, a[i] * dp[i]);
	}
	
	return cnt;
}

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 1 ms 340 KB Output is correct

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Incorrect 0 ms 344 KB 1st lines differ - on the 1st token, expected: '52130940', found: '16384'
3 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Incorrect 0 ms 344 KB 1st lines differ - on the 1st token, expected: '52130940', found: '16384'
11 Halted 0 ms 0 KB -

Subtask #4
0 / 4.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3032 ms 4184 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3032 ms 4184 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Incorrect 0 ms 344 KB 1st lines differ - on the 1st token, expected: '52130940', found: '16384'
3 Halted 0 ms 0 KB -

Subtask #7
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Incorrect 0 ms 344 KB 1st lines differ - on the 1st token, expected: '52130940', found: '16384'
11 Halted 0 ms 0 KB -

Subtask #8
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Incorrect 0 ms 344 KB 1st lines differ - on the 1st token, expected: '52130940', found: '16384'
11 Halted 0 ms 0 KB -