oj.uz

Submission #993911

# Submission time Handle Problem Language Result Execution time Memory
993911 2024-06-06T19:53:08 Z Lib September (APIO24_september) C++17
100 / 100
 121 ms 13520 KB 
#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
*/

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory 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

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory 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

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory 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

Subtask #4
9.0 / 9.0

# Verdict Execution time Memory 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

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory 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

Subtask #6
11.0 / 11.0

# Verdict Execution time Memory 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

Subtask #7
9.0 / 9.0

# Verdict Execution time Memory 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

Subtask #8
11.0 / 11.0

# Verdict Execution time Memory 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

Subtask #9
9.0 / 9.0

# Verdict Execution time Memory 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

Subtask #10
16.0 / 16.0

# Verdict Execution time Memory 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