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Submission #1110055

# Submission time Handle Problem Language Result Execution time Memory
1110055 2024-11-08T15:02:37 Z ASN49K Digital Circuit (IOI22_circuit) C++17
18 / 100
 3000 ms 8272 KB 
#include "circuit.h"
#include <bits/stdc++.h>
using namespace std;

const int N=100'000,mod=1e9+2022;
int add(int x,int y)
{
    return (x+y)%mod;
}
void add_self(int& x,int y)
{
    x+=y;
    if(x>=mod)
    {
        x-=mod;
    }
    if(x<0)
    {
        x+=mod;
    }
}
int prod(int x,int y)
{
    return (1LL*x*y)%mod;
}
int n,m;
vector<int>g[2*N],a;
int dp[2*N][2];
void init(int nn, int mm, std::vector<int> pp, std::vector<int> init_a)
{
    n=nn;
    m=mm;
    for(int i=1;i<n+m;i++)
    {
        g[pp[i]].push_back(i);
    }
    a=init_a;
}

void dfs(int nod)
{
    for(auto &c:g[nod])
    {
        dfs(c);
    }
    int sz=(int)g[nod].size();
    if(g[nod].empty())
    {
        dp[nod][0]=(a[nod-n]==0);
        dp[nod][1]=(a[nod-n]==1);
        return;
    }
    vector<int>choose(sz+1,0);
    choose[0]=1;
    for(auto &c:g[nod])
    {
        for(int i=sz;i>=0;i--)
        {
            choose[i]=prod(choose[i] , dp[c][0]);
            if(i>0)
            {
                add_self(choose[i] , prod(choose[i-1] , dp[c][1]));
            }
        }
    }
    dp[nod][0]=dp[nod][1]=0;
    for(int i=1;i<=sz;i++)
    {
        add_self(dp[nod][0] , prod(choose[i],sz-i));
        add_self(dp[nod][1] , prod(choose[i],i));
    }
    add_self(dp[nod][0],prod(choose[0],sz));
}
int count_ways(int l, int r)
{
    l-=n;
    r-=n;
    for(int i=l;i<=r;i++)
    {
        a[i]^=1;
    }
    for(auto &c:a)
    {
        //cout<<c<<' ';
    }
    dfs(0);
    return dp[0][1];
}

Compilation message

circuit.cpp: In function 'int count_ways(int, int)':
circuit.cpp:82:15: warning: unused variable 'c' [-Wunused-variable]
   82 |     for(auto &c:a)
      |               ^

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6480 KB Output is correct
2 Correct 3 ms 6480 KB Output is correct
3 Correct 18 ms 6480 KB Output is correct
4 Correct 20 ms 6480 KB Output is correct
5 Correct 20 ms 6480 KB Output is correct
6 Correct 19 ms 6480 KB Output is correct
7 Correct 19 ms 6480 KB Output is correct
8 Correct 19 ms 6480 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6480 KB Output is correct
2 Correct 3 ms 6480 KB Output is correct
3 Correct 3 ms 6480 KB Output is correct
4 Correct 3 ms 6372 KB Output is correct
5 Correct 3 ms 6480 KB Output is correct
6 Correct 4 ms 6480 KB Output is correct
7 Correct 3 ms 6480 KB Output is correct
8 Correct 4 ms 6480 KB Output is correct
9 Correct 3 ms 6480 KB Output is correct
10 Correct 3 ms 6480 KB Output is correct
11 Correct 3 ms 6480 KB Output is correct
12 Correct 3 ms 6480 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6480 KB Output is correct
2 Correct 3 ms 6480 KB Output is correct
3 Correct 18 ms 6480 KB Output is correct
4 Correct 20 ms 6480 KB Output is correct
5 Correct 20 ms 6480 KB Output is correct
6 Correct 19 ms 6480 KB Output is correct
7 Correct 19 ms 6480 KB Output is correct
8 Correct 19 ms 6480 KB Output is correct
9 Correct 3 ms 6480 KB Output is correct
10 Correct 3 ms 6480 KB Output is correct
11 Correct 3 ms 6480 KB Output is correct
12 Correct 3 ms 6372 KB Output is correct
13 Correct 3 ms 6480 KB Output is correct
14 Correct 4 ms 6480 KB Output is correct
15 Correct 3 ms 6480 KB Output is correct
16 Correct 4 ms 6480 KB Output is correct
17 Correct 3 ms 6480 KB Output is correct
18 Correct 3 ms 6480 KB Output is correct
19 Correct 3 ms 6480 KB Output is correct
20 Correct 3 ms 6480 KB Output is correct
21 Correct 3 ms 6480 KB Output is correct
22 Correct 4 ms 6480 KB Output is correct
23 Correct 4 ms 6480 KB Output is correct
24 Correct 4 ms 6480 KB Output is correct
25 Correct 3 ms 6480 KB Output is correct
26 Correct 3 ms 6480 KB Output is correct
27 Correct 5 ms 6480 KB Output is correct
28 Correct 3 ms 6480 KB Output is correct
29 Correct 20 ms 6480 KB Output is correct
30 Correct 20 ms 6480 KB Output is correct
31 Correct 4 ms 6480 KB Output is correct
32 Correct 3 ms 6480 KB Output is correct
33 Correct 3 ms 6480 KB Output is correct
34 Correct 3 ms 6480 KB Output is correct
35 Correct 7 ms 6480 KB Output is correct
36 Correct 3 ms 6480 KB Output is correct
37 Correct 20 ms 6672 KB Output is correct
38 Correct 21 ms 6480 KB Output is correct
39 Correct 3 ms 6480 KB Output is correct
40 Correct 3 ms 6480 KB Output is correct
41 Correct 3 ms 6480 KB Output is correct
42 Correct 4 ms 6480 KB Output is correct

Subtask #4
0 / 4.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3015 ms 8272 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 3015 ms 8272 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6480 KB Output is correct
2 Correct 3 ms 6480 KB Output is correct
3 Correct 3 ms 6480 KB Output is correct
4 Correct 3 ms 6372 KB Output is correct
5 Correct 3 ms 6480 KB Output is correct
6 Correct 4 ms 6480 KB Output is correct
7 Correct 3 ms 6480 KB Output is correct
8 Correct 4 ms 6480 KB Output is correct
9 Correct 3 ms 6480 KB Output is correct
10 Correct 3 ms 6480 KB Output is correct
11 Correct 3 ms 6480 KB Output is correct
12 Correct 3 ms 6480 KB Output is correct
13 Execution timed out 3015 ms 8272 KB Time limit exceeded
14 Halted 0 ms 0 KB -

Subtask #7
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6480 KB Output is correct
2 Correct 3 ms 6480 KB Output is correct
3 Correct 18 ms 6480 KB Output is correct
4 Correct 20 ms 6480 KB Output is correct
5 Correct 20 ms 6480 KB Output is correct
6 Correct 19 ms 6480 KB Output is correct
7 Correct 19 ms 6480 KB Output is correct
8 Correct 19 ms 6480 KB Output is correct
9 Correct 3 ms 6480 KB Output is correct
10 Correct 3 ms 6480 KB Output is correct
11 Correct 3 ms 6480 KB Output is correct
12 Correct 3 ms 6372 KB Output is correct
13 Correct 3 ms 6480 KB Output is correct
14 Correct 4 ms 6480 KB Output is correct
15 Correct 3 ms 6480 KB Output is correct
16 Correct 4 ms 6480 KB Output is correct
17 Correct 3 ms 6480 KB Output is correct
18 Correct 3 ms 6480 KB Output is correct
19 Correct 3 ms 6480 KB Output is correct
20 Correct 3 ms 6480 KB Output is correct
21 Correct 3 ms 6480 KB Output is correct
22 Correct 4 ms 6480 KB Output is correct
23 Correct 4 ms 6480 KB Output is correct
24 Correct 4 ms 6480 KB Output is correct
25 Correct 3 ms 6480 KB Output is correct
26 Correct 3 ms 6480 KB Output is correct
27 Correct 5 ms 6480 KB Output is correct
28 Correct 3 ms 6480 KB Output is correct
29 Correct 20 ms 6480 KB Output is correct
30 Correct 20 ms 6480 KB Output is correct
31 Correct 4 ms 6480 KB Output is correct
32 Correct 3 ms 6480 KB Output is correct
33 Correct 3 ms 6480 KB Output is correct
34 Correct 3 ms 6480 KB Output is correct
35 Correct 7 ms 6480 KB Output is correct
36 Correct 3 ms 6480 KB Output is correct
37 Correct 20 ms 6672 KB Output is correct
38 Correct 21 ms 6480 KB Output is correct
39 Correct 3 ms 6480 KB Output is correct
40 Correct 3 ms 6480 KB Output is correct
41 Correct 3 ms 6480 KB Output is correct
42 Correct 4 ms 6480 KB Output is correct
43 Execution timed out 3025 ms 6736 KB Time limit exceeded
44 Halted 0 ms 0 KB -

Subtask #8
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6480 KB Output is correct
2 Correct 3 ms 6480 KB Output is correct
3 Correct 18 ms 6480 KB Output is correct
4 Correct 20 ms 6480 KB Output is correct
5 Correct 20 ms 6480 KB Output is correct
6 Correct 19 ms 6480 KB Output is correct
7 Correct 19 ms 6480 KB Output is correct
8 Correct 19 ms 6480 KB Output is correct
9 Correct 3 ms 6480 KB Output is correct
10 Correct 3 ms 6480 KB Output is correct
11 Correct 3 ms 6480 KB Output is correct
12 Correct 3 ms 6372 KB Output is correct
13 Correct 3 ms 6480 KB Output is correct
14 Correct 4 ms 6480 KB Output is correct
15 Correct 3 ms 6480 KB Output is correct
16 Correct 4 ms 6480 KB Output is correct
17 Correct 3 ms 6480 KB Output is correct
18 Correct 3 ms 6480 KB Output is correct
19 Correct 3 ms 6480 KB Output is correct
20 Correct 3 ms 6480 KB Output is correct
21 Correct 3 ms 6480 KB Output is correct
22 Correct 4 ms 6480 KB Output is correct
23 Correct 4 ms 6480 KB Output is correct
24 Correct 4 ms 6480 KB Output is correct
25 Correct 3 ms 6480 KB Output is correct
26 Correct 3 ms 6480 KB Output is correct
27 Correct 5 ms 6480 KB Output is correct
28 Correct 3 ms 6480 KB Output is correct
29 Correct 20 ms 6480 KB Output is correct
30 Correct 20 ms 6480 KB Output is correct
31 Correct 4 ms 6480 KB Output is correct
32 Correct 3 ms 6480 KB Output is correct
33 Correct 3 ms 6480 KB Output is correct
34 Correct 3 ms 6480 KB Output is correct
35 Correct 7 ms 6480 KB Output is correct
36 Correct 3 ms 6480 KB Output is correct
37 Correct 20 ms 6672 KB Output is correct
38 Correct 21 ms 6480 KB Output is correct
39 Correct 3 ms 6480 KB Output is correct
40 Correct 3 ms 6480 KB Output is correct
41 Correct 3 ms 6480 KB Output is correct
42 Correct 4 ms 6480 KB Output is correct
43 Execution timed out 3015 ms 8272 KB Time limit exceeded
44 Halted 0 ms 0 KB -