답안 #1063334

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1063334 2024-08-17T16:58:45 Z jamjanek 슈퍼트리 잇기 (IOI20_supertrees) C++14
21 / 100
173 ms 24152 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);
			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]==0 && find1(i)==find1(j))return 0;
			if(p[i][j]>0 && find1(i)!=find1(j))return 0;
		}
	}
	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);
		}
	bool gowno = 1;
	for(i=0;i<n;i++)
		if(cykle[i].size()!=0)
			gowno = 0;
	assert(gowno);
	for(int j=0;j<n;j++){
		if(cykle[j].size()==1)return 0;
		if(cykle[j].size())cykle[j].push_back(j);
		assert(cykle[j].size()>2 || cykle[j].size()==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 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 Correct 0 ms 348 KB Output is correct
6 Correct 6 ms 1372 KB Output is correct
7 Correct 173 ms 24148 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 Correct 0 ms 348 KB Output is correct
6 Correct 6 ms 1372 KB Output is correct
7 Correct 173 ms 24148 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 1372 KB Output is correct
13 Correct 145 ms 24152 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 960 KB Output is correct
17 Correct 65 ms 14020 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 31 ms 6196 KB Output is correct
21 Correct 130 ms 23972 KB Output is correct
22 Correct 123 ms 23892 KB Output is correct
23 Correct 134 ms 23840 KB Output is correct
24 Correct 129 ms 23852 KB Output is correct
25 Correct 57 ms 13916 KB Output is correct
26 Correct 52 ms 14004 KB Output is correct
27 Correct 128 ms 24148 KB Output is correct
28 Correct 120 ms 23892 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Incorrect 0 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 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 Correct 0 ms 348 KB Output is correct
6 Correct 6 ms 1372 KB Output is correct
7 Correct 173 ms 24148 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 1372 KB Output is correct
13 Correct 145 ms 24152 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 960 KB Output is correct
17 Correct 65 ms 14020 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 31 ms 6196 KB Output is correct
21 Correct 130 ms 23972 KB Output is correct
22 Correct 123 ms 23892 KB Output is correct
23 Correct 134 ms 23840 KB Output is correct
24 Correct 129 ms 23852 KB Output is correct
25 Correct 57 ms 13916 KB Output is correct
26 Correct 52 ms 14004 KB Output is correct
27 Correct 128 ms 24148 KB Output is correct
28 Correct 120 ms 23892 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Incorrect 0 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 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 Correct 0 ms 348 KB Output is correct
6 Correct 6 ms 1372 KB Output is correct
7 Correct 173 ms 24148 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 1372 KB Output is correct
13 Correct 145 ms 24152 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 960 KB Output is correct
17 Correct 65 ms 14020 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 31 ms 6196 KB Output is correct
21 Correct 130 ms 23972 KB Output is correct
22 Correct 123 ms 23892 KB Output is correct
23 Correct 134 ms 23840 KB Output is correct
24 Correct 129 ms 23852 KB Output is correct
25 Correct 57 ms 13916 KB Output is correct
26 Correct 52 ms 14004 KB Output is correct
27 Correct 128 ms 24148 KB Output is correct
28 Correct 120 ms 23892 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Incorrect 0 ms 348 KB Answer gives possible 1 while actual possible 0
33 Halted 0 ms 0 KB -