oj.uz

답안 #915394

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
915394 2024-01-23T19:41:37 Z chirathnirodha 슈퍼트리 잇기 (IOI20_supertrees) C++17
21 / 100
 157 ms 22168 KB 
#include "supertrees.h"
#include <vector>
using namespace std;
#define F first
#define S sedond
#define PB push_back
#define MP make_pair
#define	P push
#define I insert
typedef long long ll;
typedef long l;
typedef unsigned long long ull;

int uni[1000];
int fin(int x){
	if(uni[x]==x)return x;
	else return fin(uni[x]);
}
void merg(int x,int y){
	x=fin(x);
	y=fin(y);
	if(x<y)uni[y]=x;
	else uni[x]=y;
}
int construct(vector<vector<int>> p) {
	int n = p.size();
	vector<vector<int>>answer(n,vector<int>(n,0));
	for(int i=0;i<n;i++)uni[i]=i;
	for(int i=0;i<n;i++)for(int j=0;j<n;j++)if(p[i][j]==3)return 0;
	for(int i=0;i<n;i++){
		for(int j=i+1;j<n;j++){
			if(p[i][j]==1 && fin(i)!=fin(j)){
				answer[i][j]=answer[j][i]=1;
				merg(i,j);
			}
		}
	}
	for(int i=0;i<n;i++){
		vector<int> v;v.PB(i);
		for(int j=i+1;j<n;j++){
			if(p[i][j]==2 && fin(i)!=fin(j)){
				v.PB(fin(j));
				merg(i,j);
			}
		}
		if(v.size()==2)return 0;
		if(v.size()>2){
			for(int j=0;j<v.size()-1;j++){
				answer[v[j]][v[j+1]]=answer[v[j+1]][v[j]]=1;
			}
			answer[i][v.back()]=answer[v.back()][i];
		}
	}
	for(int i=0;i<n;i++)for(int j=i+1;j<n;j++)if(p[i][j]!=1 && fin(i)==fin(j))return 0;
	build(answer);
	return 1;
}

Compilation message

supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:48:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |    for(int j=0;j<v.size()-1;j++){
      |                ~^~~~~~~~~~~

Subtask #1
11.0 / 11.0

# 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 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 6 ms 1116 KB Output is correct
7 Correct 149 ms 22012 KB Output is correct

Subtask #2
10.0 / 10.0

# 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 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 6 ms 1116 KB Output is correct
7 Correct 149 ms 22012 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 344 KB Output is correct
12 Correct 8 ms 1112 KB Output is correct
13 Correct 151 ms 21952 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 72 ms 12116 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 37 ms 5812 KB Output is correct
21 Correct 157 ms 22020 KB Output is correct
22 Correct 148 ms 22168 KB Output is correct
23 Correct 156 ms 22096 KB Output is correct
24 Correct 148 ms 22096 KB Output is correct
25 Correct 69 ms 12116 KB Output is correct
26 Correct 70 ms 12116 KB Output is correct
27 Correct 151 ms 22028 KB Output is correct
28 Correct 153 ms 22100 KB Output is correct

Subtask #3
0 / 19.0

# 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 344 KB Output is correct
5 Incorrect 0 ms 348 KB Answer gives possible 0 while actual possible 1
6 Halted 0 ms 0 KB -

Subtask #4
0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Incorrect 0 ms 348 KB Answer gives possible 0 while actual possible 1
3 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# 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 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 6 ms 1116 KB Output is correct
7 Correct 149 ms 22012 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 344 KB Output is correct
12 Correct 8 ms 1112 KB Output is correct
13 Correct 151 ms 21952 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 72 ms 12116 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 37 ms 5812 KB Output is correct
21 Correct 157 ms 22020 KB Output is correct
22 Correct 148 ms 22168 KB Output is correct
23 Correct 156 ms 22096 KB Output is correct
24 Correct 148 ms 22096 KB Output is correct
25 Correct 69 ms 12116 KB Output is correct
26 Correct 70 ms 12116 KB Output is correct
27 Correct 151 ms 22028 KB Output is correct
28 Correct 153 ms 22100 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 Correct 0 ms 344 KB Output is correct
33 Incorrect 0 ms 348 KB Answer gives possible 0 while actual possible 1
34 Halted 0 ms 0 KB -

Subtask #6
0 / 4.0

# 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 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 6 ms 1116 KB Output is correct
7 Correct 149 ms 22012 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 344 KB Output is correct
12 Correct 8 ms 1112 KB Output is correct
13 Correct 151 ms 21952 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 72 ms 12116 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 37 ms 5812 KB Output is correct
21 Correct 157 ms 22020 KB Output is correct
22 Correct 148 ms 22168 KB Output is correct
23 Correct 156 ms 22096 KB Output is correct
24 Correct 148 ms 22096 KB Output is correct
25 Correct 69 ms 12116 KB Output is correct
26 Correct 70 ms 12116 KB Output is correct
27 Correct 151 ms 22028 KB Output is correct
28 Correct 153 ms 22100 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 Correct 0 ms 344 KB Output is correct
33 Incorrect 0 ms 348 KB Answer gives possible 0 while actual possible 1
34 Halted 0 ms 0 KB -