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Submission #974751

# Submission time Handle Problem Language Result Execution time Memory
974751 2024-05-03T18:12:32 Z LucaIlie Digital Circuit (IOI22_circuit) C++17
46 / 100
 3000 ms 18956 KB 
#include "circuit.h"
#include <bits/stdc++.h>

using namespace std;

const int MAX_N = 2e5;
const int MOD = 1e9 + 2022;
bool active[MAX_N];
int value[MAX_N], dpTot[MAX_N];
vector<int> adj[MAX_N], prefix[MAX_N], suffix[MAX_N];
int n, m;

void dfsDpTot( int u ) {
    for ( int v: adj[u] )
        dfsDpTot( v );

    dpTot[u] = 1;

    if ( adj[u].size() == 0 )
        return;

    for ( int v: adj[u] )
        dpTot[u] = (long long)dpTot[u] * dpTot[v] % MOD;
    dpTot[u] = (long long)dpTot[u] * adj[u].size() % MOD;
}

void dfsCalcValues( int u, int val ) {
    if ( adj[u].size() == 0 ) {
        value[u] = val;
        return;
    }

    prefix[u].resize( adj[u].size() + 1 );
    suffix[u].resize( adj[u].size() + 1 );

    prefix[u][0] = 1;
    for ( int i = 0; i < adj[u].size(); i++ ) {
        int v = adj[u][i];
        prefix[u][i + 1] = (long long)prefix[u][i] * dpTot[v] % MOD;
    }
    suffix[u][adj[u].size()] = 1;
    for ( int i = adj[u].size() - 1; i >= 0; i-- ) {
        int v = adj[u][i];
        suffix[u][i] = (long long)suffix[u][i + 1] * dpTot[v] % MOD;
    }

    for ( int i = 0; i < adj[u].size(); i++ ){
        int v = adj[u][i];
        dfsCalcValues( v, (long long)val * prefix[u][i] % MOD * suffix[u][i + 1] % MOD );
    }
}

void init( int N, int M, vector<int> P, vector<int> A ) {
    n = N + M, m = M;

    for ( int v = 1; v < n; v++ )
        adj[P[v]].push_back( v );
    for ( int v = 0; v < m; v++ )
        active[v + n - m] = A[v];

    dfsDpTot( 0 );
    dfsCalcValues( 0, 1 );
}

int count_ways( int L, int R ) {
    for ( int i = L; i <= R; i++ )
        active[i] = !active[i];

    int ans = 0;
    for ( int i = n - m; i < n; i++ )
        ans = (ans + value[i] * active[i]) % MOD;

    return ans;
}

Compilation message

circuit.cpp: In function 'void dfsCalcValues(int, int)':
circuit.cpp:37:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |     for ( int i = 0; i < adj[u].size(); i++ ) {
      |                      ~~^~~~~~~~~~~~~~~
circuit.cpp:47:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   47 |     for ( int i = 0; i < adj[u].size(); i++ ){
      |                      ~~^~~~~~~~~~~~~~~

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 14936 KB Output is correct
2 Correct 3 ms 14936 KB Output is correct
3 Correct 3 ms 14936 KB Output is correct
4 Correct 3 ms 14936 KB Output is correct
5 Correct 3 ms 14936 KB Output is correct
6 Correct 5 ms 14780 KB Output is correct
7 Correct 3 ms 14936 KB Output is correct
8 Correct 3 ms 14936 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 14936 KB Output is correct
2 Correct 3 ms 14936 KB Output is correct
3 Correct 3 ms 14936 KB Output is correct
4 Correct 4 ms 14936 KB Output is correct
5 Correct 4 ms 14936 KB Output is correct
6 Correct 4 ms 15188 KB Output is correct
7 Correct 5 ms 14932 KB Output is correct
8 Correct 4 ms 14936 KB Output is correct
9 Correct 4 ms 14944 KB Output is correct
10 Correct 5 ms 15192 KB Output is correct
11 Correct 5 ms 15192 KB Output is correct
12 Correct 4 ms 14960 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 14936 KB Output is correct
2 Correct 3 ms 14936 KB Output is correct
3 Correct 3 ms 14936 KB Output is correct
4 Correct 3 ms 14936 KB Output is correct
5 Correct 3 ms 14936 KB Output is correct
6 Correct 5 ms 14780 KB Output is correct
7 Correct 3 ms 14936 KB Output is correct
8 Correct 3 ms 14936 KB Output is correct
9 Correct 3 ms 14936 KB Output is correct
10 Correct 3 ms 14936 KB Output is correct
11 Correct 3 ms 14936 KB Output is correct
12 Correct 4 ms 14936 KB Output is correct
13 Correct 4 ms 14936 KB Output is correct
14 Correct 4 ms 15188 KB Output is correct
15 Correct 5 ms 14932 KB Output is correct
16 Correct 4 ms 14936 KB Output is correct
17 Correct 4 ms 14944 KB Output is correct
18 Correct 5 ms 15192 KB Output is correct
19 Correct 5 ms 15192 KB Output is correct
20 Correct 4 ms 14960 KB Output is correct
21 Correct 4 ms 14936 KB Output is correct
22 Correct 4 ms 14936 KB Output is correct
23 Correct 4 ms 14936 KB Output is correct
24 Correct 4 ms 14936 KB Output is correct
25 Correct 5 ms 14936 KB Output is correct
26 Correct 4 ms 14936 KB Output is correct
27 Correct 4 ms 14936 KB Output is correct
28 Correct 4 ms 14936 KB Output is correct
29 Correct 4 ms 15132 KB Output is correct
30 Correct 3 ms 14932 KB Output is correct
31 Correct 3 ms 14936 KB Output is correct
32 Correct 4 ms 14936 KB Output is correct
33 Correct 4 ms 14936 KB Output is correct
34 Correct 3 ms 14936 KB Output is correct
35 Correct 4 ms 14936 KB Output is correct
36 Correct 5 ms 15192 KB Output is correct
37 Correct 4 ms 15192 KB Output is correct
38 Correct 4 ms 15192 KB Output is correct
39 Correct 4 ms 14936 KB Output is correct
40 Correct 4 ms 14936 KB Output is correct
41 Correct 3 ms 14936 KB Output is correct
42 Correct 3 ms 14936 KB Output is correct

Subtask #4
0 / 4.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3024 ms 18956 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 3024 ms 18956 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 14936 KB Output is correct
2 Correct 3 ms 14936 KB Output is correct
3 Correct 3 ms 14936 KB Output is correct
4 Correct 4 ms 14936 KB Output is correct
5 Correct 4 ms 14936 KB Output is correct
6 Correct 4 ms 15188 KB Output is correct
7 Correct 5 ms 14932 KB Output is correct
8 Correct 4 ms 14936 KB Output is correct
9 Correct 4 ms 14944 KB Output is correct
10 Correct 5 ms 15192 KB Output is correct
11 Correct 5 ms 15192 KB Output is correct
12 Correct 4 ms 14960 KB Output is correct
13 Execution timed out 3024 ms 18956 KB Time limit exceeded
14 Halted 0 ms 0 KB -

Subtask #7
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 14936 KB Output is correct
2 Correct 3 ms 14936 KB Output is correct
3 Correct 3 ms 14936 KB Output is correct
4 Correct 3 ms 14936 KB Output is correct
5 Correct 3 ms 14936 KB Output is correct
6 Correct 5 ms 14780 KB Output is correct
7 Correct 3 ms 14936 KB Output is correct
8 Correct 3 ms 14936 KB Output is correct
9 Correct 3 ms 14936 KB Output is correct
10 Correct 3 ms 14936 KB Output is correct
11 Correct 3 ms 14936 KB Output is correct
12 Correct 4 ms 14936 KB Output is correct
13 Correct 4 ms 14936 KB Output is correct
14 Correct 4 ms 15188 KB Output is correct
15 Correct 5 ms 14932 KB Output is correct
16 Correct 4 ms 14936 KB Output is correct
17 Correct 4 ms 14944 KB Output is correct
18 Correct 5 ms 15192 KB Output is correct
19 Correct 5 ms 15192 KB Output is correct
20 Correct 4 ms 14960 KB Output is correct
21 Correct 4 ms 14936 KB Output is correct
22 Correct 4 ms 14936 KB Output is correct
23 Correct 4 ms 14936 KB Output is correct
24 Correct 4 ms 14936 KB Output is correct
25 Correct 5 ms 14936 KB Output is correct
26 Correct 4 ms 14936 KB Output is correct
27 Correct 4 ms 14936 KB Output is correct
28 Correct 4 ms 14936 KB Output is correct
29 Correct 4 ms 15132 KB Output is correct
30 Correct 3 ms 14932 KB Output is correct
31 Correct 3 ms 14936 KB Output is correct
32 Correct 4 ms 14936 KB Output is correct
33 Correct 4 ms 14936 KB Output is correct
34 Correct 3 ms 14936 KB Output is correct
35 Correct 4 ms 14936 KB Output is correct
36 Correct 5 ms 15192 KB Output is correct
37 Correct 4 ms 15192 KB Output is correct
38 Correct 4 ms 15192 KB Output is correct
39 Correct 4 ms 14936 KB Output is correct
40 Correct 4 ms 14936 KB Output is correct
41 Correct 3 ms 14936 KB Output is correct
42 Correct 3 ms 14936 KB Output is correct
43 Correct 1169 ms 15192 KB Output is correct
44 Correct 1513 ms 15448 KB Output is correct
45 Correct 1683 ms 15192 KB Output is correct
46 Correct 2516 ms 15548 KB Output is correct
47 Correct 2636 ms 15448 KB Output is correct
48 Correct 2686 ms 15448 KB Output is correct
49 Correct 2683 ms 15448 KB Output is correct
50 Correct 2725 ms 15448 KB Output is correct
51 Correct 2620 ms 14936 KB Output is correct
52 Correct 2475 ms 14936 KB Output is correct
53 Correct 520 ms 15704 KB Output is correct
54 Correct 2556 ms 15448 KB Output is correct
55 Correct 2519 ms 15192 KB Output is correct
56 Correct 2506 ms 15192 KB Output is correct
57 Correct 2423 ms 14936 KB Output is correct
58 Correct 2490 ms 15960 KB Output is correct
59 Correct 2490 ms 15960 KB Output is correct
60 Correct 2595 ms 15960 KB Output is correct
61 Correct 1483 ms 15448 KB Output is correct
62 Correct 1887 ms 15192 KB Output is correct
63 Correct 1997 ms 15192 KB Output is correct
64 Correct 2457 ms 14936 KB Output is correct
65 Correct 707 ms 15192 KB Output is correct
66 Correct 2169 ms 15448 KB Output is correct
67 Correct 2200 ms 15448 KB Output is correct
68 Correct 2251 ms 15700 KB Output is correct

Subtask #8
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 14936 KB Output is correct
2 Correct 3 ms 14936 KB Output is correct
3 Correct 3 ms 14936 KB Output is correct
4 Correct 3 ms 14936 KB Output is correct
5 Correct 3 ms 14936 KB Output is correct
6 Correct 5 ms 14780 KB Output is correct
7 Correct 3 ms 14936 KB Output is correct
8 Correct 3 ms 14936 KB Output is correct
9 Correct 3 ms 14936 KB Output is correct
10 Correct 3 ms 14936 KB Output is correct
11 Correct 3 ms 14936 KB Output is correct
12 Correct 4 ms 14936 KB Output is correct
13 Correct 4 ms 14936 KB Output is correct
14 Correct 4 ms 15188 KB Output is correct
15 Correct 5 ms 14932 KB Output is correct
16 Correct 4 ms 14936 KB Output is correct
17 Correct 4 ms 14944 KB Output is correct
18 Correct 5 ms 15192 KB Output is correct
19 Correct 5 ms 15192 KB Output is correct
20 Correct 4 ms 14960 KB Output is correct
21 Correct 4 ms 14936 KB Output is correct
22 Correct 4 ms 14936 KB Output is correct
23 Correct 4 ms 14936 KB Output is correct
24 Correct 4 ms 14936 KB Output is correct
25 Correct 5 ms 14936 KB Output is correct
26 Correct 4 ms 14936 KB Output is correct
27 Correct 4 ms 14936 KB Output is correct
28 Correct 4 ms 14936 KB Output is correct
29 Correct 4 ms 15132 KB Output is correct
30 Correct 3 ms 14932 KB Output is correct
31 Correct 3 ms 14936 KB Output is correct
32 Correct 4 ms 14936 KB Output is correct
33 Correct 4 ms 14936 KB Output is correct
34 Correct 3 ms 14936 KB Output is correct
35 Correct 4 ms 14936 KB Output is correct
36 Correct 5 ms 15192 KB Output is correct
37 Correct 4 ms 15192 KB Output is correct
38 Correct 4 ms 15192 KB Output is correct
39 Correct 4 ms 14936 KB Output is correct
40 Correct 4 ms 14936 KB Output is correct
41 Correct 3 ms 14936 KB Output is correct
42 Correct 3 ms 14936 KB Output is correct
43 Execution timed out 3024 ms 18956 KB Time limit exceeded
44 Halted 0 ms 0 KB -