답안 #1063268

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1063268 2024-08-17T16:07:40 Z jamjanek 슈퍼트리 잇기 (IOI20_supertrees) C++14
21 / 100
126 ms 22408 KB
#include "supertrees.h"
#include <bits/stdc++.h>
using namespace std;

int father1[1010], father[1010], father3[1010];
int find1(int x){
	if(father1[x]==x)return x;
	return father1[x] = find1(father1[x]);
}
int find2(int x){
	if(father[x]==x)return x;
	return father[x] = find2(father[x]);
}
int find3(int x){
	if(father3[x]==x)return x;
	return father3[x] = find1(father3[x]);
}
vector<int>cykle[1010];

int construct(std::vector<std::vector<int>> p) {
	int n = p.size(), i, j;
	for(i=0;i<n;i++)father[i] = father1[i] = i;
	std::vector<std::vector<int>> answer = p;
	for(i=0;i<n;i++)
		for(j=0;j<n;j++)
			answer[i][j] = 0;
	for(i=0;i<n;i++)
		for(j=0;j<n;j++){
			if(p[i][j]==3 || (i==j && p[i][j]!=1) || (p[i][j]!=p[j][i]))
				return 0;
			if(p[i][j]>0)
				father1[find1(i)] = find1(j);
			else
				if(find1(i)==find2(j))return 0;
			if(p[i][j]==1 && find2(i)!=find2(j)){
				father[find2(i)] = find2(j);
				answer[i][j] = answer[j][i] = 1;
			}
		}
	for(i=0;i<n;i++)
		for(j=0;j<n;j++)
			if(p[i][j]==2 && find2(i)==find2(j))
				return 0;
	for(i=0;i<n;i++)
		father3[i] = find2(i);
	for(i=0;i<n;i++)
		for(j=0;j<n;j++)
			if(p[i][j]==2 && find3(find2(i))!=find3(find2(j))){
				cykle[min(find2(i), find2(j))].push_back(max(find2(i), find2(j)));
				father3[max(find2(i), find2(j))] = min(find2(i), find2(j));
			}
	for(int j=0;j<n;j++){
		if(cykle[j].size()==2)return 0;
		for(i=0;i<(int)cykle[j].size();i++){
			int mod = cykle[j].size();
			answer[cykle[j][i]][cykle[j][(i+1)%mod]] = 1;
			answer[cykle[j][(i+1)%mod]][cykle[j][i]] = 1;
		}
	}
	build(answer);
	return 1;
}
# 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 5 ms 1156 KB Output is correct
7 Correct 115 ms 22096 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 5 ms 1156 KB Output is correct
7 Correct 115 ms 22096 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 5 ms 1116 KB Output is correct
13 Correct 118 ms 22408 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 3 ms 860 KB Output is correct
17 Correct 73 ms 12064 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 29 ms 5880 KB Output is correct
21 Correct 116 ms 22064 KB Output is correct
22 Correct 115 ms 22136 KB Output is correct
23 Correct 126 ms 22064 KB Output is correct
24 Correct 114 ms 22064 KB Output is correct
25 Correct 53 ms 12116 KB Output is correct
26 Correct 56 ms 12112 KB Output is correct
27 Correct 126 ms 22100 KB Output is correct
28 Correct 113 ms 22100 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 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 Incorrect 0 ms 348 KB Too few ways to get from 0 to 1, should be 2 found 0
6 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 0 ms 348 KB Too few ways to get from 0 to 1, should be 2 found 0
3 Halted 0 ms 0 KB -
# 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 5 ms 1156 KB Output is correct
7 Correct 115 ms 22096 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 5 ms 1116 KB Output is correct
13 Correct 118 ms 22408 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 3 ms 860 KB Output is correct
17 Correct 73 ms 12064 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 29 ms 5880 KB Output is correct
21 Correct 116 ms 22064 KB Output is correct
22 Correct 115 ms 22136 KB Output is correct
23 Correct 126 ms 22064 KB Output is correct
24 Correct 114 ms 22064 KB Output is correct
25 Correct 53 ms 12116 KB Output is correct
26 Correct 56 ms 12112 KB Output is correct
27 Correct 126 ms 22100 KB Output is correct
28 Correct 113 ms 22100 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Incorrect 0 ms 348 KB Too few ways to get from 0 to 1, should be 2 found 0
34 Halted 0 ms 0 KB -
# 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 5 ms 1156 KB Output is correct
7 Correct 115 ms 22096 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 5 ms 1116 KB Output is correct
13 Correct 118 ms 22408 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 3 ms 860 KB Output is correct
17 Correct 73 ms 12064 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 29 ms 5880 KB Output is correct
21 Correct 116 ms 22064 KB Output is correct
22 Correct 115 ms 22136 KB Output is correct
23 Correct 126 ms 22064 KB Output is correct
24 Correct 114 ms 22064 KB Output is correct
25 Correct 53 ms 12116 KB Output is correct
26 Correct 56 ms 12112 KB Output is correct
27 Correct 126 ms 22100 KB Output is correct
28 Correct 113 ms 22100 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Incorrect 0 ms 348 KB Too few ways to get from 0 to 1, should be 2 found 0
34 Halted 0 ms 0 KB -