답안 #1063294

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1063294 2024-08-17T16:32:19 Z jamjanek 슈퍼트리 잇기 (IOI20_supertrees) C++14
21 / 100
128 ms 22100 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]);
}
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)==find1(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++)
		if(find2(i)==i){
			int mini = i;
			for(j=0;j<n;j++)
				if(p[i][j]==2 && find2(j)==j && j<mini){
					j = mini;
				}
			if(mini!=i)
				cykle[mini].push_back(i);
		}
	for(int j=0;j<n;j++){
		if(cykle[j].size()==1)return 0;
		if(cykle[j].size())cykle[j].push_back(j);
		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 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 5 ms 1116 KB Output is correct
7 Correct 121 ms 22032 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 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 5 ms 1116 KB Output is correct
7 Correct 121 ms 22032 KB Output is correct
8 Correct 0 ms 344 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 115 ms 22052 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 3 ms 860 KB Output is correct
17 Correct 65 ms 12068 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 30 ms 5876 KB Output is correct
21 Correct 116 ms 22064 KB Output is correct
22 Correct 115 ms 22096 KB Output is correct
23 Correct 128 ms 22100 KB Output is correct
24 Correct 115 ms 22072 KB Output is correct
25 Correct 56 ms 12116 KB Output is correct
26 Correct 51 ms 12112 KB Output is correct
27 Correct 127 ms 22064 KB Output is correct
28 Correct 114 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 Incorrect 1 ms 348 KB Answer gives possible 1 while actual possible 0
5 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 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 5 ms 1116 KB Output is correct
7 Correct 121 ms 22032 KB Output is correct
8 Correct 0 ms 344 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 115 ms 22052 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 3 ms 860 KB Output is correct
17 Correct 65 ms 12068 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 30 ms 5876 KB Output is correct
21 Correct 116 ms 22064 KB Output is correct
22 Correct 115 ms 22096 KB Output is correct
23 Correct 128 ms 22100 KB Output is correct
24 Correct 115 ms 22072 KB Output is correct
25 Correct 56 ms 12116 KB Output is correct
26 Correct 51 ms 12112 KB Output is correct
27 Correct 127 ms 22064 KB Output is correct
28 Correct 114 ms 22096 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Incorrect 1 ms 348 KB Answer gives possible 1 while actual possible 0
33 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 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 5 ms 1116 KB Output is correct
7 Correct 121 ms 22032 KB Output is correct
8 Correct 0 ms 344 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 115 ms 22052 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 3 ms 860 KB Output is correct
17 Correct 65 ms 12068 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 30 ms 5876 KB Output is correct
21 Correct 116 ms 22064 KB Output is correct
22 Correct 115 ms 22096 KB Output is correct
23 Correct 128 ms 22100 KB Output is correct
24 Correct 115 ms 22072 KB Output is correct
25 Correct 56 ms 12116 KB Output is correct
26 Correct 51 ms 12112 KB Output is correct
27 Correct 127 ms 22064 KB Output is correct
28 Correct 114 ms 22096 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Incorrect 1 ms 348 KB Answer gives possible 1 while actual possible 0
33 Halted 0 ms 0 KB -