oj.uz

Submission #993894

# Submission time Handle Problem Language Result Execution time Memory
993894 2024-06-06T18:38:37 Z Lib September (APIO24_september) C++17
0 / 100
 2 ms 10588 KB 
#include <bits/stdc++.h>
#include "september.h"
using namespace std;
long long xorhash[6];
vector <set <int> > ShitPar;
set <int> TSet;
long long RemChild[10][500003];
int solve(int n, int m, vector<int> Par, vector <vector<int> > Record){
	int ans=0;
	for(int i=0;i<n;i++){
		for(int k=0;k<5;k++){
		RemChild[k][i]=0;
		}
	}
	for(int i=1;i<n;i++){
		for(int k=0;k<m;k++){
			RemChild[k][Par[Record[k][i]]]++;
		}
	}
	ShitPar.clear();
	for(int i=0;i<5;i++){
		xorhash[i]=463222221001217544;	
		ShitPar.push_back(TSet);
	}
	int check1,check2;
	for(int i=n-2;i>=0;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|=int(ShitPar[k].size());
			check2|=(xorhash[k]!=xorhash[k+1]);
			//cout<<check1<<" "<<check2<<"\n";
		}
		if(!check1&&!check2){
			ans++;
		}
	}
	return ans;
}
/*
int main(){
	cout<<solve(3, 1, {-1, 0, 0}, {{1, 2}});
}
*/

Subtask #1
0.0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 10584 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0.0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 10584 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0.0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 10588 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0.0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 10584 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0.0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 10588 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0.0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 10584 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0.0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 10588 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0.0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 10584 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0.0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 10588 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0.0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 10584 KB Output isn't correct
2 Halted 0 ms 0 KB -