Submission #627509

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
627509	2022-08-12 15:58:42	Kaitokid	Digital Circuit (IOI22_circuit)	C++17	100 / 100	1130 ms	25448 KiB

circuit

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
int mod=1000002022;
vector<int>ch[200009];
int sz[200009], f[200009],n,m;
void dfs(int x)
{
    if(ch[x].empty()){sz[x]=1;return;}
    sz[x]=ch[x].size();
    for(int i=0;i<ch[x].size();i++){dfs(ch[x][i]);sz[x]=(sz[x]*1LL*sz[ch[x][i]])%mod;}
   // cout<<55<<" "<<x<<" "<<sz[x]<<endl;
}
void go(int x,int prd)
{
    //cout<<66<<" "<<x<<" "<<prd<<endl;
    if(ch[x].empty()){f[x-n]=prd;return;}
    int w=ch[x].size();
    vector<int>suf(w+1);
    suf[w]=1;
    for(int i=w-1;i>=0;i--)suf[i]=(suf[i+1]*1LL*sz[ch[x][i]])%mod;
    int d=1;
    for(int i=0;i<w;i++)
    {
        int r=(d*1LL*suf[i+1])%mod;
        go(ch[x][i],(r*1LL*prd)%mod);
        d=(d*1LL*sz[ch[x][i]])%mod;
    }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

circuit.cpp: In function 'void dfs(int)':
circuit.cpp:11:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   11 |     for(int i=0;i<ch[x].size();i++){dfs(ch[x][i]);sz[x]=(sz[x]*1LL*sz[ch[x][i]])%mod;}
      |                 ~^~~~~~~~~~~~~

• Subtask 1: 2 / 2
• Subtask 2: 7 / 7
• Subtask 3: 9 / 9
• Subtask 4: 4 / 4
• Subtask 5: 12 / 12
• Subtask 6: 27 / 27
• Subtask 7: 28 / 28
• Subtask 8: 11 / 11