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Submission #519858

# Submission time Handle Problem Language Result Execution time Memory
519858 2022-01-27T12:41:06 Z A_D Connecting Supertrees (IOI20_supertrees) C++14
56 / 100
 246 ms 26160 KB 
#include "supertrees.h"
#include <bits/stdc++.h>

using namespace std;
const int N=1e3+110;
vector<int> g1[N];
vector<int> g2[N];
int vis[N];
int vis2[N];
vector<vector<int>> answer;
vector<int> vec;


int construct(vector<vector<int>> p){
	int n = p.size();
	vector<int> tmp(n);
	for(int i=0;i<n;i++){
        answer.push_back(tmp);
	}

	for(int i=0;i<n;i++){
        g1[i].push_back(i);
        g2[i].push_back(i);
        for(int j=i;j<n;j++){
            int v=p[i][j];
            if(v==3||(i==j&&v!=1)||p[i][j]!=p[j][i]){
                return 0;
            }
            if(v==2){
                g2[i].push_back(j);
                g2[j].push_back(i);

            }
            if(v==1&&i!=j){
                g1[i].push_back(j);
                g1[j].push_back(i);
            }
        }
	}
	for(int i=0;i<n;i++){
        sort(g1[i].begin(),g1[i].end());
        sort(g2[i].begin(),g2[i].end());
	}
	int cnt=0;
	for(int i=0;i<n;i++){
        if(vis[i]==0){
            cnt++;
            int sz=g1[i].size();
            vis[g1[i][0]]=cnt;
            for(int j=0;j<sz-1;j++){
                vis[g1[i][j]]=cnt;
                vis[g1[i][j+1]]=cnt;
                answer[g1[i][j]][g1[i][j+1]]=1;
                answer[g1[i][j+1]][g1[i][j]]=1;
                if(g1[g1[i][j]]!=g1[g1[i][j+1]])return 0;
            }
        }
	}
	//memset(vis,0,sizeof(vis));
	for(int i=0;i<n;i++){
        if(vis2[vis[i]]==0){
            vis2[vis[g2[i][0]]]=1;
            int sz=g2[i].size();
            int lst=g2[i][0];
            for(int j=0;j<sz-1;j++){
               // if(g2[g2[i][j]]!=g2[g2[i][j+1]])return 0;
            }
            for(int j=1;j<sz;j++){
                if(vis2[vis[g2[i][j]]]==0){
                    vis2[vis[g2[i][j]]]=1;
                    answer[lst][g2[i][j]]=1;
//                    cout<<lst<<" "<<g2[i][j]<<endl;
                    answer[g2[i][j]][lst]=1;
                    lst=g2[i][j];
                }
            }
  //          cout<<lst<<" "<<g2[i][0]<<endl;
            answer[lst][g2[i][0]]=1;
            answer[g2[i][0]][lst]=1;
        }
	}
	/*
    for(int i=0;i<n;i++)cout<<vis[i]<<" ";cout<<endl;
	for(int i=0;i<n;i++){
        cout<<i<<" : ";
        for(auto y:g1[i]){
            cout<<y<<" ";
        }
        cout<<endl;
    }

    for(int i=0;i<n;i++){
        cout<<i<<" : ";
        for(auto y:g2[i]){
            cout<<y<<" ";
        }
        cout<<endl;
    }
    */

    for(int i=0;i<n;i++){
        answer[i][i]=0;
    }
	build(answer);
	return 1;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 9 ms 1356 KB Output is correct
7 Correct 246 ms 26160 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 9 ms 1356 KB Output is correct
7 Correct 246 ms 26160 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 0 ms 332 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 7 ms 1152 KB Output is correct
13 Correct 205 ms 22068 KB Output is correct
14 Correct 0 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 3 ms 972 KB Output is correct
17 Correct 84 ms 15024 KB Output is correct
18 Correct 0 ms 332 KB Output is correct
19 Correct 0 ms 332 KB Output is correct
20 Correct 44 ms 5812 KB Output is correct
21 Correct 228 ms 22588 KB Output is correct
22 Correct 173 ms 22076 KB Output is correct
23 Correct 198 ms 24180 KB Output is correct
24 Correct 196 ms 22072 KB Output is correct
25 Correct 70 ms 12732 KB Output is correct
26 Correct 64 ms 12208 KB Output is correct
27 Correct 211 ms 25180 KB Output is correct
28 Correct 168 ms 22084 KB Output is correct

Subtask #3
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Incorrect 0 ms 332 KB Answer gives possible 1 while actual possible 0
5 Halted 0 ms 0 KB -

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 49 ms 5876 KB Output is correct
5 Correct 184 ms 22628 KB Output is correct
6 Correct 176 ms 22048 KB Output is correct
7 Correct 196 ms 24132 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 43 ms 5812 KB Output is correct
10 Correct 171 ms 22548 KB Output is correct
11 Correct 170 ms 22340 KB Output is correct
12 Correct 182 ms 25144 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 44 ms 5840 KB Output is correct
17 Correct 182 ms 22580 KB Output is correct
18 Correct 180 ms 22716 KB Output is correct
19 Correct 175 ms 22252 KB Output is correct
20 Correct 170 ms 22292 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 9 ms 1356 KB Output is correct
7 Correct 246 ms 26160 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 0 ms 332 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 7 ms 1152 KB Output is correct
13 Correct 205 ms 22068 KB Output is correct
14 Correct 0 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 3 ms 972 KB Output is correct
17 Correct 84 ms 15024 KB Output is correct
18 Correct 0 ms 332 KB Output is correct
19 Correct 0 ms 332 KB Output is correct
20 Correct 44 ms 5812 KB Output is correct
21 Correct 228 ms 22588 KB Output is correct
22 Correct 173 ms 22076 KB Output is correct
23 Correct 198 ms 24180 KB Output is correct
24 Correct 196 ms 22072 KB Output is correct
25 Correct 70 ms 12732 KB Output is correct
26 Correct 64 ms 12208 KB Output is correct
27 Correct 211 ms 25180 KB Output is correct
28 Correct 168 ms 22084 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 0 ms 332 KB Output is correct
32 Incorrect 0 ms 332 KB Answer gives possible 1 while actual possible 0
33 Halted 0 ms 0 KB -

Subtask #6
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 9 ms 1356 KB Output is correct
7 Correct 246 ms 26160 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 0 ms 332 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 7 ms 1152 KB Output is correct
13 Correct 205 ms 22068 KB Output is correct
14 Correct 0 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 3 ms 972 KB Output is correct
17 Correct 84 ms 15024 KB Output is correct
18 Correct 0 ms 332 KB Output is correct
19 Correct 0 ms 332 KB Output is correct
20 Correct 44 ms 5812 KB Output is correct
21 Correct 228 ms 22588 KB Output is correct
22 Correct 173 ms 22076 KB Output is correct
23 Correct 198 ms 24180 KB Output is correct
24 Correct 196 ms 22072 KB Output is correct
25 Correct 70 ms 12732 KB Output is correct
26 Correct 64 ms 12208 KB Output is correct
27 Correct 211 ms 25180 KB Output is correct
28 Correct 168 ms 22084 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 0 ms 332 KB Output is correct
32 Incorrect 0 ms 332 KB Answer gives possible 1 while actual possible 0
33 Halted 0 ms 0 KB -