oj.uz

답안 #710786

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
710786 2023-03-15T19:35:23 Z ogibogi2004 디지털 회로 (IOI22_circuit) C++17
18 / 100
 3000 ms 9220 KB 
#include "circuit.h"
#include<bits/stdc++.h>
#define ll long long
using namespace std;
const ll MAXN=2e5+6;
const ll mod=1000002022;
ll arr[MAXN];
ll fastpow(ll x,ll p)
{
    if(p==0)return 1;
    if(p==1)return x;
    ll t=fastpow(x,p/2);
    t*=t;t%=mod;
    if(p%2==1)
    {
        t*=x;
        t%=mod;
    }
    return t;
}
struct segment_tree
{
    ll tree[4*MAXN];
    ll lazy[4*MAXN];
    void build(ll l,ll r,ll idx)
    {
        lazy[idx]=0;
        if(l==r)
        {
            tree[idx]=arr[l]%mod;
            return;
        }
        ll mid=(l+r)/2;
        build(l,mid,idx*2);
        build(mid+1,r,idx*2+1);
        tree[idx]=(tree[idx*2]+tree[idx*2+1])%mod;
    }
    void push(ll l,ll r,ll idx)
    {
        if(lazy[idx]==0)return;
        tree[idx]=mod-tree[idx];
        tree[idx]%=mod;
        if(l!=r)
        {
            lazy[idx*2]^=lazy[idx];
            lazy[idx*2+1]^=lazy[idx];
        }
        lazy[idx]=0;
    }
    void update(ll idx,ll l,ll r,ll ql,ll qr)
    {
        push(l,r,idx);
        if(qr<l)return;
        if(ql>r)return;
        if(l>=ql&&r<=qr)
        {
            lazy[idx]^=1;
            push(l,r,idx);
            //cout<<"%%% "<<l<<" "<<r<<" "<<tree[idx]<<endl;
            return;
        }
        //cout<<"## "<<l<<" "<<r<<" "<<ql<<" "<<qr<<endl;
        ll mid=(l+r)/2;
        update(idx*2,l,mid,ql,qr);
        update(idx*2+1,mid+1,r,ql,qr);
        tree[idx]=(tree[idx*2]+tree[idx*2+1])%mod;
        //cout<<"%%% "<<l<<" "<<r<<" "<<tree[idx]<<endl;
    }
    ll query(ll l,ll r,ll idx,ll ql,ll qr)
    {
        push(l,r,idx);
        if(l>qr)return 0;
        if(r<ql)return 0;
        //cout<<"%% "<<l<<" "<<r<<" "<<tree[idx]<<endl;
        if(l>=ql&&r<=qr)return tree[idx];
        ll mid=(l+r)/2;
        return (query(l,mid,idx*2,ql,qr)+query(mid+1,r,idx*2+1,ql,qr))%mod;
    }
}tr;
ll m,n;
ll all_prod=1,sum1;
vector<ll>g[MAXN];
ll path_prod[MAXN];
ll subtree_prod[MAXN];
void dfs_subtrees(ll u)
{
    subtree_prod[u]=max(1ll,(ll)g[u].size());

    for(auto xd:g[u])
    {
        dfs_subtrees(xd);
        subtree_prod[u]*=subtree_prod[xd];
        subtree_prod[u]%=mod;
    }
}
void dfs_prods(ll u)
{
    if(g[u].size()==0)return;
    vector<ll>pref_prods;
    vector<ll>suf_prods;
    for(ll i=0;i<g[u].size();i++)
    {
        if(i==0)pref_prods.push_back(max(1ll,subtree_prod[g[u][i]]));
        else
        {
            pref_prods.push_back((pref_prods.back()*max(1ll,subtree_prod[g[u][i]]))%mod);
        }
    }
    for(ll i=g[u].size()-1;i>=0;i--)
    {
        if(i==g[u].size()-1)suf_prods.push_back(max(1ll,subtree_prod[g[u][i]]));
        else
        {
            suf_prods.push_back((suf_prods.back()*max(1ll,subtree_prod[g[u][i]]))%mod);
        }
    }
    reverse(suf_prods.begin(),suf_prods.end());
    for(ll i=0;i<g[u].size();i++)
    {
        ll prod1=1;
        if(i>0)prod1*=pref_prods[i-1];
        if(i+1<g[u].size())prod1*=suf_prods[i+1];
        prod1%=mod;
        //cout<<u<<" -> "<<g[u][i]<<" "<<path_prod[u]<<" * "<<prod1<<endl;
        path_prod[g[u][i]]=(path_prod[u]*prod1)%mod;
        dfs_prods(g[u][i]);
    }
}
vector<int>a1;
ll slow_update(int l,int r)
{
    for(int i=l;i<=r;i++)a1[i]=1-a1[i];
    ll ret=0;
    for(int i=0;i<a1.size();i++)
    {
        ret+=((ll)a1[i]*path_prod[n+i])%mod;
        ret%=mod;
    }
    return ret;
}
void init(int N, int M, std::vector<int> P, std::vector<int> A) {
    m=M;n=N;
    a1=A;
    for(ll i=1;i<N+M;i++)
    {
        g[P[i]].push_back(i);
    }
    for(ll i=0;i<N;i++)
    {
        ll t=g[i].size();
        all_prod*=t;
        all_prod%=mod;
    }
    path_prod[0]=1;
    dfs_subtrees(0);
    dfs_prods(0);
    //cout<<all_prod<<endl;
    for(ll i=0;i<M;i++)
    {
        //arr[i]=(all_prod*fastpow(path_prod[N+i],mod-2))%mod;
        //cout<<path_prod[N+i]<<"|"<<arr[i]<<" ";
        arr[i]=path_prod[N+i]%mod;
        //cout<<path_prod[N+i]<<" ";
        sum1+=arr[i];sum1%=mod;
        if(A[i]==0)arr[i]=(mod-arr[i])%mod;
    }
    //cout<<endl;
    tr.build(0,M-1,1);
    //cout<<sum1<<" "<<tr.query(0,m-1,1,0,m-1)<<endl;
}

int count_ways(int L, int R) {
    return slow_update(L-n, R-n);
    //tr.update(1,0,m-1,L-n,R-n);
    //return ((sum1+tr.query(0,m-1,1,0,m-1))%mod)/2ll;
}

Compilation message

circuit.cpp: In function 'void dfs_prods(long long int)':
circuit.cpp:101:17: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  101 |     for(ll i=0;i<g[u].size();i++)
      |                ~^~~~~~~~~~~~
circuit.cpp:111:13: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  111 |         if(i==g[u].size()-1)suf_prods.push_back(max(1ll,subtree_prod[g[u][i]]));
      |            ~^~~~~~~~~~~~~~~
circuit.cpp:118:17: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  118 |     for(ll i=0;i<g[u].size();i++)
      |                ~^~~~~~~~~~~~
circuit.cpp:122:15: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  122 |         if(i+1<g[u].size())prod1*=suf_prods[i+1];
      |            ~~~^~~~~~~~~~~~
circuit.cpp: In function 'long long int slow_update(int, int)':
circuit.cpp:134:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  134 |     for(int i=0;i<a1.size();i++)
      |                 ~^~~~~~~~~~

Subtask #1
2.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4944 KB Output is correct
2 Correct 3 ms 4944 KB Output is correct
3 Correct 3 ms 5072 KB Output is correct
4 Correct 4 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
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4944 KB Output is correct
2 Correct 2 ms 5072 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 5080 KB Output is correct
7 Correct 3 ms 5072 KB Output is correct
8 Correct 4 ms 5072 KB Output is correct
9 Correct 3 ms 5072 KB Output is correct
10 Correct 4 ms 5328 KB Output is correct
11 Correct 4 ms 5328 KB Output is correct
12 Correct 3 ms 5072 KB Output is correct

Subtask #3
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4944 KB Output is correct
2 Correct 3 ms 4944 KB Output is correct
3 Correct 3 ms 5072 KB Output is correct
4 Correct 4 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 Correct 2 ms 5072 KB Output is correct
11 Correct 3 ms 5072 KB Output is correct
12 Correct 3 ms 5072 KB Output is correct
13 Correct 3 ms 5072 KB Output is correct
14 Correct 3 ms 5080 KB Output is correct
15 Correct 3 ms 5072 KB Output is correct
16 Correct 4 ms 5072 KB Output is correct
17 Correct 3 ms 5072 KB Output is correct
18 Correct 4 ms 5328 KB Output is correct
19 Correct 4 ms 5328 KB Output is correct
20 Correct 3 ms 5072 KB Output is correct
21 Correct 3 ms 5072 KB Output is correct
22 Correct 3 ms 5072 KB Output is correct
23 Correct 3 ms 5072 KB Output is correct
24 Correct 3 ms 5072 KB Output is correct
25 Correct 3 ms 5072 KB Output is correct
26 Correct 4 ms 5072 KB Output is correct
27 Correct 3 ms 5112 KB Output is correct
28 Correct 4 ms 5156 KB Output is correct
29 Correct 3 ms 5072 KB Output is correct
30 Correct 3 ms 5072 KB Output is correct
31 Correct 3 ms 5200 KB Output is correct
32 Correct 3 ms 5072 KB Output is correct
33 Correct 3 ms 5072 KB Output is correct
34 Correct 3 ms 5072 KB Output is correct
35 Correct 3 ms 5072 KB Output is correct
36 Correct 3 ms 5328 KB Output is correct
37 Correct 4 ms 5328 KB Output is correct
38 Correct 3 ms 5328 KB Output is correct
39 Correct 3 ms 5072 KB Output is correct
40 Correct 3 ms 5072 KB Output is correct
41 Correct 3 ms 5072 KB Output is correct
42 Correct 3 ms 5072 KB Output is correct

Subtask #4
0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 3086 ms 9220 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 3086 ms 9220 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4944 KB Output is correct
2 Correct 2 ms 5072 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 5080 KB Output is correct
7 Correct 3 ms 5072 KB Output is correct
8 Correct 4 ms 5072 KB Output is correct
9 Correct 3 ms 5072 KB Output is correct
10 Correct 4 ms 5328 KB Output is correct
11 Correct 4 ms 5328 KB Output is correct
12 Correct 3 ms 5072 KB Output is correct
13 Execution timed out 3086 ms 9220 KB Time limit exceeded
14 Halted 0 ms 0 KB -

Subtask #7
0 / 28.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4944 KB Output is correct
2 Correct 3 ms 4944 KB Output is correct
3 Correct 3 ms 5072 KB Output is correct
4 Correct 4 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 Correct 2 ms 5072 KB Output is correct
11 Correct 3 ms 5072 KB Output is correct
12 Correct 3 ms 5072 KB Output is correct
13 Correct 3 ms 5072 KB Output is correct
14 Correct 3 ms 5080 KB Output is correct
15 Correct 3 ms 5072 KB Output is correct
16 Correct 4 ms 5072 KB Output is correct
17 Correct 3 ms 5072 KB Output is correct
18 Correct 4 ms 5328 KB Output is correct
19 Correct 4 ms 5328 KB Output is correct
20 Correct 3 ms 5072 KB Output is correct
21 Correct 3 ms 5072 KB Output is correct
22 Correct 3 ms 5072 KB Output is correct
23 Correct 3 ms 5072 KB Output is correct
24 Correct 3 ms 5072 KB Output is correct
25 Correct 3 ms 5072 KB Output is correct
26 Correct 4 ms 5072 KB Output is correct
27 Correct 3 ms 5112 KB Output is correct
28 Correct 4 ms 5156 KB Output is correct
29 Correct 3 ms 5072 KB Output is correct
30 Correct 3 ms 5072 KB Output is correct
31 Correct 3 ms 5200 KB Output is correct
32 Correct 3 ms 5072 KB Output is correct
33 Correct 3 ms 5072 KB Output is correct
34 Correct 3 ms 5072 KB Output is correct
35 Correct 3 ms 5072 KB Output is correct
36 Correct 3 ms 5328 KB Output is correct
37 Correct 4 ms 5328 KB Output is correct
38 Correct 3 ms 5328 KB Output is correct
39 Correct 3 ms 5072 KB Output is correct
40 Correct 3 ms 5072 KB Output is correct
41 Correct 3 ms 5072 KB Output is correct
42 Correct 3 ms 5072 KB Output is correct
43 Correct 1331 ms 5328 KB Output is correct
44 Correct 1786 ms 5456 KB Output is correct
45 Correct 2087 ms 5456 KB Output is correct
46 Correct 2800 ms 5712 KB Output is correct
47 Correct 2887 ms 5712 KB Output is correct
48 Correct 2891 ms 5712 KB Output is correct
49 Correct 2939 ms 5712 KB Output is correct
50 Execution timed out 3003 ms 5712 KB Time limit exceeded
51 Halted 0 ms 0 KB -

Subtask #8
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4944 KB Output is correct
2 Correct 3 ms 4944 KB Output is correct
3 Correct 3 ms 5072 KB Output is correct
4 Correct 4 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 Correct 2 ms 5072 KB Output is correct
11 Correct 3 ms 5072 KB Output is correct
12 Correct 3 ms 5072 KB Output is correct
13 Correct 3 ms 5072 KB Output is correct
14 Correct 3 ms 5080 KB Output is correct
15 Correct 3 ms 5072 KB Output is correct
16 Correct 4 ms 5072 KB Output is correct
17 Correct 3 ms 5072 KB Output is correct
18 Correct 4 ms 5328 KB Output is correct
19 Correct 4 ms 5328 KB Output is correct
20 Correct 3 ms 5072 KB Output is correct
21 Correct 3 ms 5072 KB Output is correct
22 Correct 3 ms 5072 KB Output is correct
23 Correct 3 ms 5072 KB Output is correct
24 Correct 3 ms 5072 KB Output is correct
25 Correct 3 ms 5072 KB Output is correct
26 Correct 4 ms 5072 KB Output is correct
27 Correct 3 ms 5112 KB Output is correct
28 Correct 4 ms 5156 KB Output is correct
29 Correct 3 ms 5072 KB Output is correct
30 Correct 3 ms 5072 KB Output is correct
31 Correct 3 ms 5200 KB Output is correct
32 Correct 3 ms 5072 KB Output is correct
33 Correct 3 ms 5072 KB Output is correct
34 Correct 3 ms 5072 KB Output is correct
35 Correct 3 ms 5072 KB Output is correct
36 Correct 3 ms 5328 KB Output is correct
37 Correct 4 ms 5328 KB Output is correct
38 Correct 3 ms 5328 KB Output is correct
39 Correct 3 ms 5072 KB Output is correct
40 Correct 3 ms 5072 KB Output is correct
41 Correct 3 ms 5072 KB Output is correct
42 Correct 3 ms 5072 KB Output is correct
43 Execution timed out 3086 ms 9220 KB Time limit exceeded
44 Halted 0 ms 0 KB -