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Submission #797571

# Submission time Handle Problem Language Result Execution time Memory
797571 2023-07-29T16:38:07 Z HaroldVemeno Digital Circuit (IOI22_circuit) C++17
9 / 100
 3000 ms 6300 KB 
#include "circuit.h"

#include <bits/stdc++.h>

#ifdef GUDEB
    #define D(x) cerr << #x << ": " << (x) << '\n';
#else
    #define D(x) ;
#endif

using namespace std;
using ll = long long;

int n, m;
vector<int> ps;
vector<int> as;
vector<vector<int>> al;
vector<int> tss;
vector<int> tcs;
vector<int> td1;
vector<int> td2;
vector<int> ts1;
vector<int> ts2;
vector<int> mults;

constexpr int m2 = 2242157;
constexpr int mod = 2*223*m2;
constexpr int ord = 222*2242156;

int bexp(ll b, ll e) {
    if(e < 0) e += ord;
    ll r = 1;
    while(e > 0) {
        if(e&1) {
            r *= b;
            r %= mod;
        }
        e /= 2;
        b *= b;
        b %= mod;
    }
    return r;
}

void iwalk(int v) {
    tcs[v] = 1;
    tss[v] = 1;
    int c = al[v].size()-1;
    if(ps[v] == -1) c += 1;
    if(c == 0) return;
    while(c % 2 == 0) {
        c /= 2;
        ts1[v] += 1;
    }
    while(c % 223 == 0) {
        c /= 223;
        ts2[v] += 1;
    }
    tss[v] = c;
    D(v)
    D(tss[v])
    for(auto a : al[v]) {
        if(a == ps[v]) continue;
        iwalk(a);
        tcs[v] *= tss[a];
        tcs[v] %= mod;
        td1[v] += ts1[a];
        td2[v] += ts2[a];
    }
    tss[v] *= tcs[v];
    tss[v] %= mod;
    ts1[v] += td1[v];
    ts2[v] += td2[v];
}

void mwalk(int v, int ml, int d1, int d2) {
    if(v >= n) {
        mults[v-n] = ml;
        mults[v-n] = (1ll*bexp(2, d1)*mults[v-n]) % mod;
        mults[v-n] = (1ll*bexp(223, d2)*mults[v-n]) % mod;
    }
    for(auto a : al[v]) {
       if(a == ps[v]) continue;
       ll nm = 1ll*ml*tcs[v];
       nm %= mod;
       nm *= bexp(tss[a], -1);
       nm %= mod;
       mwalk(a, nm, d1+td1[v]-ts1[a], d2+td2[v]-ts2[a]);
    }
}

void init(int N, int M, std::vector<int> P, std::vector<int> A) {
    n = N;
    m = M;
    ps = std::move(P);
    as = std::move(A);
    al.resize(N+M);
    mults.resize(M);
    tcs.resize(N+M);
    td1.resize(N+M);
    td2.resize(N+M);
    tss.resize(N+M);
    ts1.resize(N+M);
    ts2.resize(N+M);
    for(int i = 1; i < n+m; ++i) {
        al[i].push_back(ps[i]);
        al[ps[i]].push_back(i);
    }

    iwalk(0);
    mwalk(0, 1, 0, 0);
    if(0) {
        for(int i = 0; i < n+m; ++i) {
            cerr << tcs[i] << ' ';
        }
        cerr << '\n';
        for(int i = 0; i < m; ++i) {
            cerr << mults[i] << ' ';
        }
        cerr << '\n';
    }
}

int count_ways(int L, int R) {
    L -= n;
    R -= n;
    ++R;
    int res = 0;
    for(int i = L; i < R; ++i) {
        as[i] = 1 - as[i];
    }
    for(int i = 0; i < m; ++i) {
        res += as[i] * mults[i];
        res %= mod;
    }
    return res;
}

Subtask #1
2.0 / 2.0

# 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

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 336 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 464 KB Output is correct
8 Correct 1 ms 464 KB Output is correct
9 Correct 1 ms 464 KB Output is correct
10 Correct 1 ms 464 KB Output is correct
11 Correct 1 ms 464 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 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 0 ms 208 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 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 464 KB Output is correct
16 Correct 1 ms 464 KB Output is correct
17 Correct 1 ms 464 KB Output is correct
18 Correct 1 ms 464 KB Output is correct
19 Correct 1 ms 464 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Incorrect 1 ms 336 KB 1st lines differ - on the 1st token, expected: '759476520', found: '697383552'
22 Halted 0 ms 0 KB -

Subtask #4
0 / 4.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3006 ms 6300 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 3006 ms 6300 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 1 ms 336 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 464 KB Output is correct
8 Correct 1 ms 464 KB Output is correct
9 Correct 1 ms 464 KB Output is correct
10 Correct 1 ms 464 KB Output is correct
11 Correct 1 ms 464 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Execution timed out 3006 ms 6300 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 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 0 ms 208 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 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 464 KB Output is correct
16 Correct 1 ms 464 KB Output is correct
17 Correct 1 ms 464 KB Output is correct
18 Correct 1 ms 464 KB Output is correct
19 Correct 1 ms 464 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Incorrect 1 ms 336 KB 1st lines differ - on the 1st token, expected: '759476520', found: '697383552'
22 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 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 0 ms 208 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 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 464 KB Output is correct
16 Correct 1 ms 464 KB Output is correct
17 Correct 1 ms 464 KB Output is correct
18 Correct 1 ms 464 KB Output is correct
19 Correct 1 ms 464 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Incorrect 1 ms 336 KB 1st lines differ - on the 1st token, expected: '759476520', found: '697383552'
22 Halted 0 ms 0 KB -