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Submission #786431

# Submission time Handle Problem Language Result Execution time Memory
786431 2023-07-18T07:45:23 Z vjudge1 Digital Circuit (IOI22_circuit) C++17
11 / 100
 3000 ms 6184 KB 
#include "circuit.h"
#include <bits/stdc++.h>
using namespace std;
constexpr int mod = 1000002022;
int N, M;
vector<int> P, A;
vector<vector<int>> ch;
int add(int a, int b) {
    int c = a + b;
    if (c >= mod) {
        c -= mod;
    }
    return c;
}
int mul(int a, int b) {
    return 1LL * a * b % mod;
}
int sub(int a, int b) {
    int c = a - b;
    if (c < 0) {
        c += mod;
    }
    return c;
}
int cnt, cont;
bool bintree;
void init(int n, int m, vector<int> p, vector<int> a) {
    N = n, M = m;
    P = p, A = a;
    ch.resize(N);
    for (int i = 1; i < N + M; i++) {
        ch[P[i]].push_back(i);
    }
    bintree = 0;
    if (N + 1 == M && __builtin_popcount(M) == 1) {
        bintree = 1;
        for (int i = 1; i < N + M; i++) {
            if (P[i] != (i - 1) / 2) {
                bintree = 0;
            }
        }
        if (bintree) {
            cnt = 0;
            for (int i = 0; i < M; i++) {
                cnt += A[i];
            }
            int lg = __lg(M);
            cont = 1;
            int s = 1;
            for (int i = 0; i < lg; i++) {
                cont = mul(cont, s);
                s = mul(2, mul(s, s));
            }
        }
    }
}
int count_ways(int L, int R) {
    for (int i = L; i <= R; i++) {
        A[i - N] ^= 1;
        cnt += A[i - N] == 1 ? 1 : -1;
    }
    if (bintree) {
        return mul(cnt, cont);
    }
    vector<int> tot(N + M), on(N + M), off(N + M);
    for (int i = N + M - 1; i >= 0; i--) {
        if (i >= N) {
            tot[i] = 1;
            if (A[i - N] == 0) {
                off[i] = 1;
            } else {
                on[i] = 1;
            }
        } else {
            int x = ch[i][0];
            int y = ch[i][1];
            tot[i] = mul(2, mul(tot[x], tot[y]));
            on[i] = add(mul(tot[x], on[y]), mul(tot[y], on[x]));
            off[i] = sub(tot[i], on[i]);
        }
    }
    return on[0];
}

Subtask #1
0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Incorrect 0 ms 208 KB 1st lines differ - on the 1st token, expected: '1', found: '0'
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 1 ms 208 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 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 Incorrect 0 ms 208 KB 1st lines differ - on the 1st token, expected: '1', found: '0'
3 Halted 0 ms 0 KB -

Subtask #4
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 524 ms 3152 KB Output is correct
2 Correct 699 ms 6184 KB Output is correct
3 Correct 640 ms 6088 KB Output is correct
4 Correct 670 ms 6184 KB Output is correct

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 524 ms 3152 KB Output is correct
2 Correct 699 ms 6184 KB Output is correct
3 Correct 640 ms 6088 KB Output is correct
4 Correct 670 ms 6184 KB Output is correct
5 Correct 2526 ms 3152 KB Output is correct
6 Execution timed out 3073 ms 6084 KB Time limit exceeded
7 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 1 ms 208 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 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 Correct 524 ms 3152 KB Output is correct
14 Correct 699 ms 6184 KB Output is correct
15 Correct 640 ms 6088 KB Output is correct
16 Correct 670 ms 6184 KB Output is correct
17 Correct 2526 ms 3152 KB Output is correct
18 Execution timed out 3073 ms 6084 KB Time limit exceeded
19 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 Incorrect 0 ms 208 KB 1st lines differ - on the 1st token, expected: '1', found: '0'
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 Incorrect 0 ms 208 KB 1st lines differ - on the 1st token, expected: '1', found: '0'
3 Halted 0 ms 0 KB -