#include <bits/stdc++.h>
//#include "september.h"
using namespace std;
int xorhash[10];
vector <set <int> > ShitPar;
set <int> TSet;
int RemChild[10][500003];
int solve(int n, int m, vector<int> Par, vector <vector<int> > Record){
int ans;
ans=0;
for(int i=0;i<n;i++){
for(int k=0;k<m;k++){
RemChild[k][i]=0;
}
}
for(int i=0;i<n-1;i++){
for(int k=0;k<m;k++){
RemChild[k][Par[Record[k][i]]]++;
}
}
ShitPar.clear();
TSet.clear();
for(int i=0;i<m;i++){
xorhash[i]=123456789;
ShitPar.push_back(TSet);
}
for(int k=0;k<m;k++){
for(int i=0;i<n;i++){
// cout<<RemChild[k][i]<<" ";
}
// cout<<"\n";
}
int check1,check2;
ans=0;
for(int i=0;i<n-1;i++){
for(int k=0;k<m;k++){
xorhash[k]^=Record[k][i];
RemChild[k][Par[Record[k][i]]]--;
if(!RemChild[k][Par[Record[k][i]]]){
ShitPar[k].erase(Par[Record[k][i]]);
}
if(RemChild[k][Record[k][i]]){
ShitPar[k].insert(Record[k][i]);
}
}
xorhash[m]=xorhash[m-1];
check1=0;
check2=0;
for(int k=0;k<m;k++){
check1|=(!ShitPar[k].empty());
check2|=(xorhash[k]!=xorhash[k+1]);
//cout<<check1<<" "<<check2<<"\n";
}
if(!check1&&!check2){
ans++;
}
}
Record.clear();
Par.clear();
return ans;
}
/*
int main(){
for(int i=1;i<=5;i++){
cout<<solve(7, 1, {-1, 0, 0, 2, 3,3,5}, {{1,6,4,3,5,2}});
//cout<<solve(7, 2, {-1,0,1,2,3,4,5}, {{1,2,3,4,5,6},{1,2,6,5,4,3}});
//cout<<solve(3, 5, {-1, 0, 0}, {{1, 2},{1,2},{1,2},{1,2},{1,2}});
//cout<<solve(5, 2, {-1, 0, 0, 1, 1}, {{1, 2, 3, 4}, {2,1,3,4}});
//cout<<solve(7, 1, {-1,0,1,2,3,4,5}, {{2,4,3,5,1,6}});
cout<<"\n";
}
}
*/
/*
post ac comments
dit me cuoc doi thieu nang tri tue suc sinh vo hoc chet nao iq 30(do F) ngu lon singlehandedly giam ti le AC tu 1/2 xuong 1/3
i should kms
*/
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
8540 KB |
Output is correct |
9 |
Correct |
1 ms |
8540 KB |
Output is correct |
10 |
Correct |
1 ms |
8540 KB |
Output is correct |
11 |
Correct |
1 ms |
8540 KB |
Output is correct |
12 |
Correct |
1 ms |
8540 KB |
Output is correct |
13 |
Correct |
1 ms |
8540 KB |
Output is correct |
14 |
Correct |
1 ms |
8540 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
468 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
468 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
344 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
344 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
468 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
2 ms |
8540 KB |
Output is correct |
5 |
Correct |
2 ms |
8540 KB |
Output is correct |
6 |
Correct |
1 ms |
8540 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
8540 KB |
Output is correct |
9 |
Correct |
1 ms |
8540 KB |
Output is correct |
10 |
Correct |
1 ms |
8540 KB |
Output is correct |
11 |
Correct |
1 ms |
8540 KB |
Output is correct |
12 |
Correct |
1 ms |
8540 KB |
Output is correct |
13 |
Correct |
1 ms |
8540 KB |
Output is correct |
14 |
Correct |
1 ms |
8540 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
468 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
344 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
1 ms |
344 KB |
Output is correct |
24 |
Correct |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
2 ms |
8540 KB |
Output is correct |
26 |
Correct |
2 ms |
8540 KB |
Output is correct |
27 |
Correct |
1 ms |
8540 KB |
Output is correct |
28 |
Correct |
2 ms |
8540 KB |
Output is correct |
29 |
Correct |
1 ms |
8540 KB |
Output is correct |
30 |
Correct |
2 ms |
8732 KB |
Output is correct |
31 |
Correct |
1 ms |
8540 KB |
Output is correct |
32 |
Correct |
2 ms |
8540 KB |
Output is correct |
33 |
Correct |
2 ms |
8536 KB |
Output is correct |
34 |
Correct |
1 ms |
8540 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
468 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
92 ms |
4140 KB |
Output is correct |
5 |
Correct |
121 ms |
4144 KB |
Output is correct |
6 |
Correct |
96 ms |
4100 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
468 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
344 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
344 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
92 ms |
4140 KB |
Output is correct |
19 |
Correct |
121 ms |
4144 KB |
Output is correct |
20 |
Correct |
96 ms |
4100 KB |
Output is correct |
21 |
Correct |
99 ms |
4136 KB |
Output is correct |
22 |
Correct |
95 ms |
4112 KB |
Output is correct |
23 |
Correct |
115 ms |
4136 KB |
Output is correct |
24 |
Correct |
94 ms |
4140 KB |
Output is correct |
25 |
Correct |
96 ms |
4212 KB |
Output is correct |
26 |
Correct |
95 ms |
4144 KB |
Output is correct |
27 |
Correct |
92 ms |
4140 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
468 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
2 ms |
8540 KB |
Output is correct |
5 |
Correct |
2 ms |
8540 KB |
Output is correct |
6 |
Correct |
1 ms |
8540 KB |
Output is correct |
7 |
Correct |
92 ms |
4140 KB |
Output is correct |
8 |
Correct |
121 ms |
4144 KB |
Output is correct |
9 |
Correct |
96 ms |
4100 KB |
Output is correct |
10 |
Correct |
62 ms |
13296 KB |
Output is correct |
11 |
Correct |
64 ms |
13500 KB |
Output is correct |
12 |
Correct |
60 ms |
13488 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
8540 KB |
Output is correct |
9 |
Correct |
1 ms |
8540 KB |
Output is correct |
10 |
Correct |
1 ms |
8540 KB |
Output is correct |
11 |
Correct |
1 ms |
8540 KB |
Output is correct |
12 |
Correct |
1 ms |
8540 KB |
Output is correct |
13 |
Correct |
1 ms |
8540 KB |
Output is correct |
14 |
Correct |
1 ms |
8540 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
468 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
344 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
1 ms |
344 KB |
Output is correct |
24 |
Correct |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
2 ms |
8540 KB |
Output is correct |
26 |
Correct |
2 ms |
8540 KB |
Output is correct |
27 |
Correct |
1 ms |
8540 KB |
Output is correct |
28 |
Correct |
2 ms |
8540 KB |
Output is correct |
29 |
Correct |
1 ms |
8540 KB |
Output is correct |
30 |
Correct |
2 ms |
8732 KB |
Output is correct |
31 |
Correct |
1 ms |
8540 KB |
Output is correct |
32 |
Correct |
2 ms |
8540 KB |
Output is correct |
33 |
Correct |
2 ms |
8536 KB |
Output is correct |
34 |
Correct |
1 ms |
8540 KB |
Output is correct |
35 |
Correct |
92 ms |
4140 KB |
Output is correct |
36 |
Correct |
121 ms |
4144 KB |
Output is correct |
37 |
Correct |
96 ms |
4100 KB |
Output is correct |
38 |
Correct |
99 ms |
4136 KB |
Output is correct |
39 |
Correct |
95 ms |
4112 KB |
Output is correct |
40 |
Correct |
115 ms |
4136 KB |
Output is correct |
41 |
Correct |
94 ms |
4140 KB |
Output is correct |
42 |
Correct |
96 ms |
4212 KB |
Output is correct |
43 |
Correct |
95 ms |
4144 KB |
Output is correct |
44 |
Correct |
92 ms |
4140 KB |
Output is correct |
45 |
Correct |
62 ms |
13296 KB |
Output is correct |
46 |
Correct |
64 ms |
13500 KB |
Output is correct |
47 |
Correct |
60 ms |
13488 KB |
Output is correct |
48 |
Correct |
63 ms |
13296 KB |
Output is correct |
49 |
Correct |
61 ms |
13296 KB |
Output is correct |
50 |
Correct |
62 ms |
13488 KB |
Output is correct |
51 |
Correct |
63 ms |
13520 KB |
Output is correct |
52 |
Correct |
59 ms |
13296 KB |
Output is correct |
53 |
Correct |
60 ms |
13520 KB |
Output is correct |
54 |
Correct |
60 ms |
13308 KB |
Output is correct |