답안 #1083738

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1083738 2024-09-03T23:17:36 Z rayan_bd 슈퍼트리 잇기 (IOI20_supertrees) C++17
21 / 100
140 ms 24148 KB
#include <bits/stdc++.h>
#include "supertrees.h"
using namespace std;

vector<int> par(1015),sz(1015,1);

int findPar(int u){
	if(par[u]==u) return u;
	return par[u]=findPar(par[u]);
}

void unite(int u,int v){
	int ulp=findPar(u);
	int vlp=findPar(v);
	if(ulp==vlp) return;
	if(sz[ulp]>sz[vlp]){
		par[vlp]=ulp;
		sz[ulp]+=sz[vlp];
	}else{
		par[ulp]=vlp;
		sz[vlp]+=sz[ulp];
	}
}
bool is_samee(int u,int v){
	return findPar(u)==findPar(v);
}

int construct(vector<vector<int>> p) {
	int n = p.size();
	vector<vector<int>> adj(n,vector<int>(n,0));

	for(int i=0;i<n;++i) par[i]=i;

	for(int i=0;i<n;++i){
		for(int j=i+1;j<n;++j){
			if(p[i][j]>0) unite(i,j); 
		}
	}

	for(int i=0;i<n;++i){
		for(int j=i+1;j<n;++j){
			if(p[i][j]==0&&is_samee(i,j)){
				return 0;
			}
		}
	}

	vector<int> last(n+1,-1);

	for(int i=0;i<n;++i){
		int ulp=findPar(i);
		if(last[ulp]!=-1){
			adj[i][last[ulp]]=1;
			adj[last[ulp]][i]=1;
		}
		last[ulp]=i;
	}


	build(adj);
	return 1;
}

# 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 444 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 5 ms 1372 KB Output is correct
7 Correct 117 ms 24064 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 444 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 5 ms 1372 KB Output is correct
7 Correct 117 ms 24064 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 7 ms 1340 KB Output is correct
13 Correct 112 ms 24144 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 5 ms 860 KB Output is correct
17 Correct 62 ms 14084 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 6236 KB Output is correct
21 Correct 120 ms 24148 KB Output is correct
22 Correct 116 ms 24144 KB Output is correct
23 Correct 122 ms 24144 KB Output is correct
24 Correct 113 ms 24076 KB Output is correct
25 Correct 55 ms 14092 KB Output is correct
26 Correct 49 ms 14216 KB Output is correct
27 Correct 123 ms 24144 KB Output is correct
28 Correct 140 ms 24144 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 1 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 344 KB Output is correct
2 Incorrect 0 ms 344 KB Too few ways to get from 0 to 1, should be 2 found 1
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 344 KB Output is correct
3 Correct 0 ms 444 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 5 ms 1372 KB Output is correct
7 Correct 117 ms 24064 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 7 ms 1340 KB Output is correct
13 Correct 112 ms 24144 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 5 ms 860 KB Output is correct
17 Correct 62 ms 14084 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 6236 KB Output is correct
21 Correct 120 ms 24148 KB Output is correct
22 Correct 116 ms 24144 KB Output is correct
23 Correct 122 ms 24144 KB Output is correct
24 Correct 113 ms 24076 KB Output is correct
25 Correct 55 ms 14092 KB Output is correct
26 Correct 49 ms 14216 KB Output is correct
27 Correct 123 ms 24144 KB Output is correct
28 Correct 140 ms 24144 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 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 344 KB Output is correct
3 Correct 0 ms 444 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 5 ms 1372 KB Output is correct
7 Correct 117 ms 24064 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 7 ms 1340 KB Output is correct
13 Correct 112 ms 24144 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 5 ms 860 KB Output is correct
17 Correct 62 ms 14084 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 6236 KB Output is correct
21 Correct 120 ms 24148 KB Output is correct
22 Correct 116 ms 24144 KB Output is correct
23 Correct 122 ms 24144 KB Output is correct
24 Correct 113 ms 24076 KB Output is correct
25 Correct 55 ms 14092 KB Output is correct
26 Correct 49 ms 14216 KB Output is correct
27 Correct 123 ms 24144 KB Output is correct
28 Correct 140 ms 24144 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 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 -