oj.uz

Submission #757727

# Submission time Handle Problem Language Result Execution time Memory
757727 2023-06-13T16:37:37 Z Piokemon Connecting Supertrees (IOI20_supertrees) C++17
56 / 100
 262 ms 22200 KB 
#include "supertrees.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;

bool odw[1009];
int nr[1009];
vector<int> lista[1009];
int incykl[1009];

int construct(vector<vector<int>> p) {
	int n = p.size();
	vector<int> czesc(n,0);
	vector<vector<int>> answer(n,czesc);
	for(int i=0;i<=n;i++) odw[i]=0;
	for (int i=0;i<n;i++){
		if (odw[i]) continue;
		nr[i] = i;
		lista[i].push_back(i);
		odw[i] = 1;
		for (int j=0;j<n;j++){
			if (p[i][j]==3) return 0;
			if (odw[j] || i==j) continue;
			if (p[i][j]==1){
				answer[i][j] = 1;
				answer[j][i] = 1;
				nr[j] = i;
				lista[i].push_back(j);
				odw[j] = 1;
			}
		}
	}
	for (int i=0;i<n;i++){
		for (int j=0;j<n;j++){
			if (p[i][j] != p[nr[i]][j]) return 0;
		}
	}
	for(int i=0;i<=n;i++) odw[i]=0;

	/*cout << "nr: ";
	for (int i=0;i<n;i++) cout << nr[i] << ' ';
	cout << '\n';*/
	for (int i=0;i<n;i++){
		if (nr[i]!=i || odw[i]) continue;
		vector<int> cykl;
		cykl.push_back(i);
		for (int j=0;j<n;j++){
			if (p[i][j]==2 && !odw[nr[j]]){
				cykl.push_back(nr[j]);
				odw[nr[j]] = 1;
			}
		}
		
		for (int j=0;j<=n;j++) incykl[j] = 0;
		for (int j:cykl) incykl[j] = 1; 

		for (int j:cykl){
			for (int k=0;k<n;k++){
				if (nr[k]==j){
					if (p[k][j] != 1) return 0;
				}
				else if (incykl[nr[k]]){
					if (p[k][j] != 2) return 0;
				}
				else{
					if (p[k][j] != 0) return 0;
				}
			}
		}

		/*cout << "cykl: ";
		for (int j:cykl){
			cout << j << ' ';
		}
		cout << '\n';*/
		if (cykl.size()==1) continue;
		for (int j=0;j<cykl.size()-1;j++){
			answer[cykl[j]][cykl[j+1]] = 1;
			answer[cykl[j+1]][cykl[j]] = 1;
		}
		answer[cykl.back()][cykl[0]] = 1;
		answer[cykl[0]][cykl.back()] =1;
	}
	build(answer);
	return 1;
}

Compilation message

supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:77:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   77 |   for (int j=0;j<cykl.size()-1;j++){
      |                ~^~~~~~~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 9 ms 1212 KB Output is correct
7 Correct 240 ms 22060 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 9 ms 1212 KB Output is correct
7 Correct 240 ms 22060 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 9 ms 1224 KB Output is correct
13 Correct 199 ms 22052 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 4 ms 724 KB Output is correct
17 Correct 83 ms 12064 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 50 ms 5696 KB Output is correct
21 Correct 208 ms 22080 KB Output is correct
22 Correct 208 ms 22064 KB Output is correct
23 Correct 230 ms 22080 KB Output is correct
24 Correct 192 ms 22084 KB Output is correct
25 Correct 93 ms 12068 KB Output is correct
26 Correct 103 ms 12176 KB Output is correct
27 Correct 214 ms 22052 KB Output is correct
28 Correct 214 ms 22176 KB Output is correct

Subtask #3
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Incorrect 0 ms 212 KB Answer gives possible 1 while actual possible 0
5 Halted 0 ms 0 KB -

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 46 ms 5800 KB Output is correct
5 Correct 262 ms 21984 KB Output is correct
6 Correct 196 ms 22052 KB Output is correct
7 Correct 185 ms 22004 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 59 ms 5708 KB Output is correct
10 Correct 187 ms 22052 KB Output is correct
11 Correct 196 ms 22092 KB Output is correct
12 Correct 209 ms 22200 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 48 ms 5728 KB Output is correct
17 Correct 196 ms 22116 KB Output is correct
18 Correct 193 ms 22056 KB Output is correct
19 Correct 194 ms 22088 KB Output is correct
20 Correct 196 ms 22100 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 9 ms 1212 KB Output is correct
7 Correct 240 ms 22060 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 9 ms 1224 KB Output is correct
13 Correct 199 ms 22052 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 4 ms 724 KB Output is correct
17 Correct 83 ms 12064 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 50 ms 5696 KB Output is correct
21 Correct 208 ms 22080 KB Output is correct
22 Correct 208 ms 22064 KB Output is correct
23 Correct 230 ms 22080 KB Output is correct
24 Correct 192 ms 22084 KB Output is correct
25 Correct 93 ms 12068 KB Output is correct
26 Correct 103 ms 12176 KB Output is correct
27 Correct 214 ms 22052 KB Output is correct
28 Correct 214 ms 22176 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Incorrect 0 ms 212 KB Answer gives possible 1 while actual possible 0
33 Halted 0 ms 0 KB -

Subtask #6
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 9 ms 1212 KB Output is correct
7 Correct 240 ms 22060 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 9 ms 1224 KB Output is correct
13 Correct 199 ms 22052 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 4 ms 724 KB Output is correct
17 Correct 83 ms 12064 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 50 ms 5696 KB Output is correct
21 Correct 208 ms 22080 KB Output is correct
22 Correct 208 ms 22064 KB Output is correct
23 Correct 230 ms 22080 KB Output is correct
24 Correct 192 ms 22084 KB Output is correct
25 Correct 93 ms 12068 KB Output is correct
26 Correct 103 ms 12176 KB Output is correct
27 Correct 214 ms 22052 KB Output is correct
28 Correct 214 ms 22176 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Incorrect 0 ms 212 KB Answer gives possible 1 while actual possible 0
33 Halted 0 ms 0 KB -