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Submission #797585

# Submission time Handle Problem Language Result Execution time Memory
797585 2023-07-29T16:56:00 Z jakobrs Digital Circuit (IOI22_circuit) C++17
7 / 100
 3000 ms 1656640 KB 
#include <iostream>
#include <vector>

using i64 = int64_t;

int n, m;
std::vector<int> p, a;

std::vector<std::vector<int>> children;

const i64 MOD = 1'000'002'022;

void init(int N, int M, std::vector<int> P, std::vector<int> A) {
    n = N;
    m = M;
    p = P;
    a = A;

    children.resize(N);
    for (i64 i = 1; i < N + M; i++) {
        children[P[i]].push_back(i);
    }
}

auto dfs(int node) -> std::pair<i64, i64> {
    if (node >= n) {
        return {a[node - n] ? 1 : 0, 1};
    }

    auto [a1, ax] = dfs(children[node][0]);
    auto [b1, bx] = dfs(children[node][1]);

    return {(a1 * bx + ax * b1) % MOD, ax * bx * 2 % MOD};
}

int count_ways(int l, int r) {
    r += 1;

    l -= n;
    r -= n;

    for (i64 i = l; i < r; i++) {
        a[i] = !a[i];
    }

    return dfs(0).first;
}

Subtask #1
0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Execution timed out 3154 ms 1656640 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 336 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Execution timed out 3154 ms 1656640 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #4
0 / 4.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3028 ms 3228 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 3028 ms 3228 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 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 336 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Execution timed out 3028 ms 3228 KB Time limit exceeded
14 Halted 0 ms 0 KB -

Subtask #7
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Execution timed out 3154 ms 1656640 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #8
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Execution timed out 3154 ms 1656640 KB Time limit exceeded
3 Halted 0 ms 0 KB -