oj.uz

답안 #757127

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
757127 2023-06-12T16:56:04 Z boris_mihov 디지털 회로 (IOI22_circuit) C++17
2 / 100
 3000 ms 7928 KB 
#include "circuit.h"
#include <algorithm>
#include <iostream>
#include <numeric>
#include <vector>
 
typedef long long llong;
const int MAXN = 200000 + 10;
const int MOD = 1000002022;
const int INF = 1e9;
 
int n, m;
llong w[MAXN];
llong b[MAXN];
llong pw[MAXN];
std::vector <int> g[MAXN];

void initDFS(int node)
{
    if (g[node].empty())
    {
        pw[node] = 1;
        return;
    }
    
    pw[node] = g[node].size();
    for (const int &i : g[node])
    {
        initDFS(i);
        pw[node] *= pw[i];
        pw[node] %= MOD;
    }
}

void init(int N, int M, std::vector <int> P, std::vector <int> A) 
{
    n = N;
    m = M;
    for (int i = 1 ; i < n + m ; ++i)
    {
        g[P[i] + 1].push_back(i + 1);
    }
 
    for (int i = n + 1 ; i <= n + m ; ++i)
    {
        if (A[i - n - 1] == 0)
        {
            w[i] = 1;
            b[i] = 0;
        } else
        {
            b[i] = 1;
            w[i] = 0;
        }
    }

    initDFS(1);
}
 
void dfs(int node)
{
    if (g[node].empty())
    {
        return;
    }
 
    b[node] = 0;
    for (const int &i : g[node])
    {
        dfs(i);
        b[node] += 1LL * ((pw[node] / pw[i]) / g[node].size()) * b[i];  
        b[node] %= MOD;
    }
 
    w[node] = pw[node] - b[node];
    if (w[node] < 0) w[node] += MOD;
}
 
int count_ways(int L, int R) 
{
    L++; R++;
    for (int i = L ; i <= R ; ++i)
    {
        std::swap(b[i], w[i]);
    }
 
    dfs(1);
    return b[1];
}

Subtask #1
2.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 4944 KB Output is correct
2 Correct 3 ms 4944 KB Output is correct
3 Correct 3 ms 4944 KB Output is correct
4 Correct 3 ms 4944 KB Output is correct
5 Correct 3 ms 4944 KB Output is correct
6 Correct 3 ms 4944 KB Output is correct
7 Correct 3 ms 4944 KB Output is correct
8 Correct 4 ms 4944 KB Output is correct

Subtask #2
0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4944 KB Output is correct
2 Incorrect 4 ms 4944 KB 1st lines differ - on the 1st token, expected: '52130940', found: '0'
3 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 4944 KB Output is correct
2 Correct 3 ms 4944 KB Output is correct
3 Correct 3 ms 4944 KB Output is correct
4 Correct 3 ms 4944 KB Output is correct
5 Correct 3 ms 4944 KB Output is correct
6 Correct 3 ms 4944 KB Output is correct
7 Correct 3 ms 4944 KB Output is correct
8 Correct 4 ms 4944 KB Output is correct
9 Correct 3 ms 4944 KB Output is correct
10 Incorrect 4 ms 4944 KB 1st lines differ - on the 1st token, expected: '52130940', found: '0'
11 Halted 0 ms 0 KB -

Subtask #4
0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 3072 ms 7928 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 3072 ms 7928 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4944 KB Output is correct
2 Incorrect 4 ms 4944 KB 1st lines differ - on the 1st token, expected: '52130940', found: '0'
3 Halted 0 ms 0 KB -

Subtask #7
0 / 28.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 4944 KB Output is correct
2 Correct 3 ms 4944 KB Output is correct
3 Correct 3 ms 4944 KB Output is correct
4 Correct 3 ms 4944 KB Output is correct
5 Correct 3 ms 4944 KB Output is correct
6 Correct 3 ms 4944 KB Output is correct
7 Correct 3 ms 4944 KB Output is correct
8 Correct 4 ms 4944 KB Output is correct
9 Correct 3 ms 4944 KB Output is correct
10 Incorrect 4 ms 4944 KB 1st lines differ - on the 1st token, expected: '52130940', found: '0'
11 Halted 0 ms 0 KB -

Subtask #8
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 4944 KB Output is correct
2 Correct 3 ms 4944 KB Output is correct
3 Correct 3 ms 4944 KB Output is correct
4 Correct 3 ms 4944 KB Output is correct
5 Correct 3 ms 4944 KB Output is correct
6 Correct 3 ms 4944 KB Output is correct
7 Correct 3 ms 4944 KB Output is correct
8 Correct 4 ms 4944 KB Output is correct
9 Correct 3 ms 4944 KB Output is correct
10 Incorrect 4 ms 4944 KB 1st lines differ - on the 1st token, expected: '52130940', found: '0'
11 Halted 0 ms 0 KB -