답안 #300658

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
300658	2020-09-17T11:10:37 Z	Kerim	슈퍼트리 잇기 (IOI20_supertrees)	C++17	11 / 100	248 ms	22520 KB

supertrees

#include "supertrees.h"
#include "bits/stdc++.h"
#define MAXN 100009
#define INF 1000000007
#define mp(x,y) make_pair(x,y)
#define all(v) v.begin(),v.end()
#define pb(x) push_back(x)
#define wr cout<<"----------------"<<endl;
#define ppb() pop_back()
#define tr(ii,c) for(__typeof((c).begin()) ii=(c).begin();ii!=(c).end();ii++)
#define ff first
#define ss second
#define my_little_dodge 46
#define debug(x)  cerr<< #x <<" = "<< x<<endl;
using namespace std;

typedef long long ll;
typedef pair<int,int> PII;
template<class T>bool umin(T& a,T b){if(a>b){a=b;return 1;}return 0;}
template<class T>bool umax(T& a,T b){if(a<b){a=b;return 1;}return 0;}
int vis[MAXN];
int construct(std::vector<std::vector<int>> p) {
	int n = p.size();
	std::vector<std::vector<int>> answer;
	for (int i = 0; i < n; i++) {
		std::vector<int> row;
		row.resize(n);
		answer.push_back(row);
	}int mx=0;
	for(int i=0;i<n;i++)
		for(int j=0;j<n;j++)
			umax(mx,p[i][j]);
	if(mx==0){
		build(answer);
		return 1;	
	}
	if(mx==1){
		int cnt=0;
		for(int i=0;i<n;i++)
			if(!vis[i]){vis[i]=++cnt;
				for(int j=i+1;j<n;j++)
					if(p[i][j])
						answer[i][j]=answer[j][i]=1,vis[j]=cnt;
			}
		for(int i=0;i<n;i++)
			for(int j=0;j<n;j++)
				if(p[i][j] and vis[i]!=vis[j])
					return 0;
		build(answer);
		return 1;
	}
	if(mx==2){
		vector<int>cur;int cnt=0;
		for(int i=0;i<n;i++)
			if(!vis[i]){
				cur.clear();
				vis[i]=++cnt;cur.pb(i);
				for(int j=i+1;j<n;j++)
					if(p[i][j])
						vis[j]=cnt,cur.pb(j);
				for(int j=0;j<int(cur.size());j++)
					answer[cur[j]][cur[(j+1)%int(cur.size())]]=answer[cur[(j+1)%int(cur.size())]][cur[j]]=1;
			}
		for(int i=0;i<n;i++)
			for(int j=0;j<n;j++)
				if(p[i][j] and vis[i]!=vis[j])
					return 0;
		build(answer);
		return 1;
	}
	return 0;
}

Subtask #1

11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	256 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	1 ms	256 KB	Output is correct
5	Correct	1 ms	256 KB	Output is correct
6	Correct	10 ms	1152 KB	Output is correct
7	Correct	244 ms	22136 KB	Output is correct

Subtask #2

0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	256 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	1 ms	256 KB	Output is correct
5	Correct	1 ms	256 KB	Output is correct
6	Correct	10 ms	1152 KB	Output is correct
7	Correct	244 ms	22136 KB	Output is correct
8	Correct	1 ms	256 KB	Output is correct
9	Correct	1 ms	256 KB	Output is correct
10	Correct	1 ms	256 KB	Output is correct
11	Correct	1 ms	256 KB	Output is correct
12	Correct	10 ms	1152 KB	Output is correct
13	Correct	244 ms	22136 KB	Output is correct
14	Correct	0 ms	256 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	5 ms	768 KB	Output is correct
17	Correct	120 ms	12120 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Incorrect	1 ms	384 KB	Answer gives possible 1 while actual possible 0
20	Halted	0 ms	0 KB	-

Subtask #3

0 / 19.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	256 KB	Output is correct
2	Correct	1 ms	256 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Incorrect	1 ms	256 KB	Answer gives possible 1 while actual possible 0
5	Halted	0 ms	0 KB	-

Subtask #4

0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	256 KB	Output is correct
2	Correct	1 ms	256 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	60 ms	5752 KB	Output is correct
5	Correct	242 ms	22136 KB	Output is correct
6	Correct	245 ms	22136 KB	Output is correct
7	Correct	248 ms	22520 KB	Output is correct
8	Incorrect	1 ms	256 KB	b[4][4] is not 0
9	Halted	0 ms	0 KB	-

Subtask #5

0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	256 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	1 ms	256 KB	Output is correct
5	Correct	1 ms	256 KB	Output is correct
6	Correct	10 ms	1152 KB	Output is correct
7	Correct	244 ms	22136 KB	Output is correct
8	Correct	1 ms	256 KB	Output is correct
9	Correct	1 ms	256 KB	Output is correct
10	Correct	1 ms	256 KB	Output is correct
11	Correct	1 ms	256 KB	Output is correct
12	Correct	10 ms	1152 KB	Output is correct
13	Correct	244 ms	22136 KB	Output is correct
14	Correct	0 ms	256 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	5 ms	768 KB	Output is correct
17	Correct	120 ms	12120 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Incorrect	1 ms	384 KB	Answer gives possible 1 while actual possible 0
20	Halted	0 ms	0 KB	-

Subtask #6

0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	256 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	1 ms	256 KB	Output is correct
5	Correct	1 ms	256 KB	Output is correct
6	Correct	10 ms	1152 KB	Output is correct
7	Correct	244 ms	22136 KB	Output is correct
8	Correct	1 ms	256 KB	Output is correct
9	Correct	1 ms	256 KB	Output is correct
10	Correct	1 ms	256 KB	Output is correct
11	Correct	1 ms	256 KB	Output is correct
12	Correct	10 ms	1152 KB	Output is correct
13	Correct	244 ms	22136 KB	Output is correct
14	Correct	0 ms	256 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	5 ms	768 KB	Output is correct
17	Correct	120 ms	12120 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Incorrect	1 ms	384 KB	Answer gives possible 1 while actual possible 0
20	Halted	0 ms	0 KB	-