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Submission #628919

# Submission time Handle Problem Language Result Execution time Memory
628919 2022-08-13T20:29:09 Z imeimi2000 Digital Circuit (IOI22_circuit) C++17
2 / 100
 363 ms 8144 KB 
#include "circuit.h"

#include <bits/stdc++.h>

using namespace std;

const int mod = 100002022;
int n, m;
vector<int> E[200005];
int S[200005], C[200005];

void dfs1(int x) {
    S[x] = max(1, int(E[x].size()));
    for (int i : E[x]) {
        dfs1(i);
        S[x] = 1ll * S[x] * S[i] % mod;
    }
}

void dfs2(int x) {
    // printf("S[%d] = %d, C[%d] = %d\n", x, S[x], x, C[x]);
    vector<int> R(E[x].size());
    R.push_back(1);
    for (int i = E[x].size(); i--; ) {
        R[i] = 1ll * R[i + 1] * S[E[x][i]] % mod;
    }
    int L = 1;
    for (int i = 0; i < int(E[x].size()); ++i) {
        C[E[x][i]] = 1ll * L * R[i + 1] % mod * C[x] % mod;
        dfs2(E[x][i]);
        L = 1ll * L * S[E[x][i]] % mod;
    }
}

int add(int x, int y) {
    x += y;
    if (x >= mod) return x - mod;
    return x;
}

vector<int> A;
int seg[1 << 18], rev[1 << 18], lz[1 << 18];

void init(int i, int s, int e) {
    if (s == e) {
        seg[i] = 0;
        rev[i] = C[s];
        lz[i] = 0;
        if (A[s - n]) swap(seg[i], rev[i]);
        return;
    }
    int m = (s + e) / 2;
    init(i + i, s, m);
    init(i + i + 1, m + 1, e);
    seg[i] = add(seg[i + i], seg[i + i + 1]);
    rev[i] = add(rev[i + i], rev[i + i + 1]);
    lz[i] = 0;
}

void update(int i, int s, int e, int x, int y) {
    if (e < x || y < s) return;
    if (x <= s && e <= y) {
        swap(seg[i], rev[i]);
        lz[i] ^= 1;
        return;
    }
    int m = (s + e) / 2;
    if (lz[i]) {
        lz[i] = 0;
        swap(seg[i + i], rev[i + i]);
        lz[i + i] ^= 1;
        swap(seg[i + i + 1], rev[i + i + 1]);
        lz[i + i + 1] ^= 1;
    }
    update(i + i, s, m, x, y);
    update(i + i + 1, m + 1, e, x, y);
    seg[i] = add(seg[i + i], seg[i + i + 1]);
    rev[i] = add(rev[i + i], rev[i + i + 1]);
}

void init(int N, int M, vector<int> P, vector<int> A) {
    n = N;
    m = M;
    for (int i = 1; i < n + m; ++i) E[P[i]].push_back(i);
    dfs1(0);
    C[0] = 1;
    dfs2(0);
    ::A = A;
    init(1, n, n + m - 1);
}

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

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 5072 KB Output is correct
2 Correct 3 ms 4944 KB Output is correct
3 Correct 3 ms 5072 KB Output is correct
4 Correct 3 ms 5072 KB Output is correct
5 Correct 3 ms 5072 KB Output is correct
6 Correct 3 ms 5072 KB Output is correct
7 Correct 3 ms 5072 KB Output is correct
8 Correct 3 ms 5072 KB Output is correct

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4944 KB Output is correct
2 Incorrect 3 ms 4964 KB 1st lines differ - on the 1st token, expected: '52130940', found: '57429070'
3 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 5072 KB Output is correct
2 Correct 3 ms 4944 KB Output is correct
3 Correct 3 ms 5072 KB Output is correct
4 Correct 3 ms 5072 KB Output is correct
5 Correct 3 ms 5072 KB Output is correct
6 Correct 3 ms 5072 KB Output is correct
7 Correct 3 ms 5072 KB Output is correct
8 Correct 3 ms 5072 KB Output is correct
9 Correct 3 ms 4944 KB Output is correct
10 Incorrect 3 ms 4964 KB 1st lines differ - on the 1st token, expected: '52130940', found: '57429070'
11 Halted 0 ms 0 KB -

Subtask #4
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 363 ms 8144 KB 1st lines differ - on the 1st token, expected: '431985922', found: '16463726'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 363 ms 8144 KB 1st lines differ - on the 1st token, expected: '431985922', found: '16463726'
2 Halted 0 ms 0 KB -

Subtask #6
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4944 KB Output is correct
2 Incorrect 3 ms 4964 KB 1st lines differ - on the 1st token, expected: '52130940', found: '57429070'
3 Halted 0 ms 0 KB -

Subtask #7
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 5072 KB Output is correct
2 Correct 3 ms 4944 KB Output is correct
3 Correct 3 ms 5072 KB Output is correct
4 Correct 3 ms 5072 KB Output is correct
5 Correct 3 ms 5072 KB Output is correct
6 Correct 3 ms 5072 KB Output is correct
7 Correct 3 ms 5072 KB Output is correct
8 Correct 3 ms 5072 KB Output is correct
9 Correct 3 ms 4944 KB Output is correct
10 Incorrect 3 ms 4964 KB 1st lines differ - on the 1st token, expected: '52130940', found: '57429070'
11 Halted 0 ms 0 KB -

Subtask #8
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 5072 KB Output is correct
2 Correct 3 ms 4944 KB Output is correct
3 Correct 3 ms 5072 KB Output is correct
4 Correct 3 ms 5072 KB Output is correct
5 Correct 3 ms 5072 KB Output is correct
6 Correct 3 ms 5072 KB Output is correct
7 Correct 3 ms 5072 KB Output is correct
8 Correct 3 ms 5072 KB Output is correct
9 Correct 3 ms 4944 KB Output is correct
10 Incorrect 3 ms 4964 KB 1st lines differ - on the 1st token, expected: '52130940', found: '57429070'
11 Halted 0 ms 0 KB -