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Submission #915223

# Submission time Handle Problem Language Result Execution time Memory
915223 2024-01-23T14:20:10 Z Namkhing Digital Circuit (IOI22_circuit) C++17
4 / 100
 604 ms 4116 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 update(int node, int left, int right, int idx) {
    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;

    if (idx <= mid) {
        update(l, left, mid, idx);
    }
    else {
        update(r, mid + 1, right, idx);
    }

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

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

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

    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
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 386 ms 3400 KB Output is correct
2 Correct 534 ms 4044 KB Output is correct
3 Correct 541 ms 4044 KB Output is correct
4 Correct 604 ms 4116 KB Output is correct

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 386 ms 3400 KB Output is correct
2 Correct 534 ms 4044 KB Output is correct
3 Correct 541 ms 4044 KB Output is correct
4 Correct 604 ms 4116 KB Output is correct
5 Incorrect 485 ms 3404 KB 1st lines differ - on the 1st token, expected: '105182172', found: '2777846'
6 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 -