답안 #733934

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
733934	2023-05-01T12:11:55 Z	ismayil	슈퍼트리 잇기 (IOI20_supertrees)	C++17	11 / 100	203 ms	22140 KB

supertrees

#include "supertrees.h"
#include <bits/stdc++.h>
using namespace std;
const int MAX = 1e3 + 3;

struct DSU{
	int par[MAX];
	int find(int u){
		if(par[u] < 0) return u;
		return par[u] = find(par[u]);
	}
	bool unite(int u, int v){
		u = find(u), v = find(v);
		if(u == v) return false;
		if(par[u] > par[v]) swap(u, v);
		par[u] += par[v];
		par[v] = u;
		return true;
	}
	DSU(){
		memset(par, -1, sizeof(par));
	}
};
int construct(vector<vector<int>> p) 
{
	DSU dsu1, dsu2;
	int n = p.size();
	vector<vector<int>> answer(n, vector<int>(n, 0));
	int mark[n] = {0};
	for (int i = 0; i < n; i++){
		for(int j = 0; j < n; j++){
			if(i == j) continue;
			if(p[i][j] != 1) continue;
			if(dsu1.unite(i, j)){
				answer[i][j] = answer[j][i] = 1;
			}
		}
	}
	for (int i = 0; i < n; i++){
		for(int j = 0; j < n; j++){
			if(i == j) continue;
			if(p[i][j] == 2){
				dsu2.unite(dsu1.find(i), dsu1.find(j));
			} 
		}
	}
	for(int i = 0; i < n; i++){
		if(mark[dsu2.find(dsu1.find(i))]) continue;
		mark[dsu2.find(dsu1.find(i))] = 1;
		vector<int> v;
		v.push_back(dsu1.find(i));
		for(int j = 0; j < n; j++){
			if(i == j) continue;
			if(dsu2.find(dsu1.find(i)) == dsu2.find(dsu1.find(j)) && dsu1.find(i) != dsu1.find(j)){
				v.push_back(dsu1.find(j));
			}
		}
		if(v.size() == 1) continue;
		for(int j = 0; j < v.size() - 1; j++) answer[v[j]][v[j + 1]] = answer[v[j + 1]][v[j]] = 1;
		answer[v[v.size() - 1]][v[0]] = answer[v[0]][v[v.size() - 1]] = 1;
	}
	build(answer);
	return 1;
}

Compilation message

supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:59:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   59 |   for(int j = 0; j < v.size() - 1; j++) answer[v[j]][v[j + 1]] = answer[v[j + 1]][v[j]] = 1;
      |                  ~~^~~~~~~~~~~~~~

Subtask #1
11.0 / 11.0

#	결과	실행 시간	메모리	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	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	7 ms	1096 KB	Output is correct
7	Correct	203 ms	22140 KB	Output is correct

Subtask #2
0 / 10.0

#	결과	실행 시간	메모리	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	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	7 ms	1096 KB	Output is correct
7	Correct	203 ms	22140 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	8 ms	1124 KB	Output is correct
13	Correct	166 ms	21992 KB	Output is correct
14	Incorrect	1 ms	212 KB	Answer gives possible 1 while actual possible 0
15	Halted	0 ms	0 KB	-

Subtask #3
0 / 19.0

#	결과	메모리	Grader output
1	Correct	212 KB	Output is correct
2	Correct	212 KB	Output is correct
3	Correct	212 KB	Output is correct
4	Incorrect	212 KB	Answer gives possible 1 while actual possible 0
5	Halted	0 KB	-

Subtask #4
0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	42 ms	5664 KB	Output is correct
5	Correct	171 ms	22028 KB	Output is correct
6	Correct	173 ms	22040 KB	Output is correct
7	Correct	181 ms	22012 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	43 ms	5860 KB	Output is correct
10	Correct	164 ms	21964 KB	Output is correct
11	Correct	170 ms	22056 KB	Output is correct
12	Correct	176 ms	22016 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Incorrect	43 ms	5680 KB	b[23][23] is not 0
17	Halted	0 ms	0 KB	-

Subtask #5
0 / 21.0

#	결과	실행 시간	메모리	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	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	7 ms	1096 KB	Output is correct
7	Correct	203 ms	22140 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	8 ms	1124 KB	Output is correct
13	Correct	166 ms	21992 KB	Output is correct
14	Incorrect	1 ms	212 KB	Answer gives possible 1 while actual possible 0
15	Halted	0 ms	0 KB	-

Subtask #6
0 / 4.0

#	결과	실행 시간	메모리	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	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	7 ms	1096 KB	Output is correct
7	Correct	203 ms	22140 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	8 ms	1124 KB	Output is correct
13	Correct	166 ms	21992 KB	Output is correct
14	Incorrect	1 ms	212 KB	Answer gives possible 1 while actual possible 0
15	Halted	0 ms	0 KB	-

답안 #733934

Compilation message

Subtask #1 11.0 / 11.0

Subtask #2 0 / 10.0

Subtask #3 0 / 19.0

Subtask #4 0 / 35.0

Subtask #5 0 / 21.0

Subtask #6 0 / 4.0

Subtask #1
11.0 / 11.0

Subtask #2
0 / 10.0

Subtask #3
0 / 19.0

Subtask #4
0 / 35.0

Subtask #5
0 / 21.0

Subtask #6
0 / 4.0