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Submission #915219

# Submission time Handle Problem Language Result Execution time Memory
915219 2024-01-23T14:03:48 Z Namkhing Digital Circuit (IOI22_circuit) C++17
0 / 100
 371 ms 3400 KB 
#include "circuit.h"
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;

const int Max = 2e5 + 1;
const int Mod = 1e9 + 2022;
ll n, m, dp[Max][2];

void build(int node, int left, int right, vector<int>& A) {
    if (left == right) {
        dp[node][A[left]] = 1;
        return;
    }

    int mid = (left + right) / 2;

    int l = node * 2 + 1;
    int r = node * 2 + 2;

    build(l, left, mid, A);
    build(r, mid + 1, right, A);

    dp[node][0] = dp[l][1] * dp[r][0] % Mod + dp[l][0] * dp[r][1] % Mod + dp[l][0] * dp[r][0] % Mod;
    dp[node][1] = dp[l][1] * dp[r][0] % Mod + dp[l][0] * dp[r][1] % Mod + 2 * dp[l][1] * dp[r][1] % Mod;

    dp[node][0] %= Mod;
    dp[node][1] %= Mod;
}

void update(int node, int left, int right, int idx) {
    if (left > idx || right < idx) return;
    if (left == idx && right == idx) {
        swap(dp[node][0], dp[node][1]);
        return;
    }

    int mid = (left + right) / 2;

    int l = node * 2 + 1;
    int r = node * 2 + 2;

    update(l, left, mid, idx);
    update(r, mid + 1, right, idx);

    dp[node][0] = dp[l][1] * dp[r][0] % Mod + dp[l][0] * dp[r][1] % Mod + 2 * dp[l][0] * dp[r][0] % Mod;
    dp[node][1] = dp[l][1] * dp[r][0] % Mod + dp[l][0] * dp[r][1] % Mod + 2 * dp[l][1] * dp[r][1] % Mod;

    dp[node][0] %= Mod;
    dp[node][1] %= Mod;
}

void init(int N, int M, vector<int> P, vector<int> A) {
    n = N, m = M;
    build(0, 0, M - 1, A);
}

int count_ways(int L, int R) {
    update(0, 0, m - 1, L - n);
    return dp[0][1]; 
}

Subtask #1
0 / 2.0

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

Subtask #2
0 / 7.0

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

Subtask #3
0 / 9.0

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

Subtask #4
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 371 ms 3400 KB 1st lines differ - on the 1st token, expected: '431985922', found: '417918348'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 371 ms 3400 KB 1st lines differ - on the 1st token, expected: '431985922', found: '417918348'
2 Halted 0 ms 0 KB -

Subtask #6
0 / 27.0

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

Subtask #7
0 / 28.0

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

Subtask #8
0 / 11.0

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