oj.uz

Submission #825364

# Submission time Handle Problem Language Result Execution time Memory
825364 2023-08-14T18:38:31 Z HorizonWest Connecting Supertrees (IOI20_supertrees) C++17
56 / 100
 188 ms 24012 KB 
#include "supertrees.h"
#include <vector>
#include<bits/stdc++.h>
using namespace std;
struct st
{
    vector<int> cad;
    int findf(int a)
    {
        if(a==cad[a])return a;
        else return cad[a]=findf(cad[a]);
    }
    void unionf(int a, int b){
        a=findf(a);
        b=findf(b);
        if(a!=b){
            cad[a]=b;
        }
    }
    st(int n){
        cad.resize(2*n);
        for(int i=0; i<cad.size(); i++)
            cad[i]=i;
    }
};
int construct(std::vector<std::vector<int>> cad) {
    int n = cad.size();
    std::vector<std::vector<int>> answer(n,vector<int>(n,0LL));
    st asdfg(n+1);
    for(int i=0; i<n; i++)
        for(int j=0; j<n; j++)
            if(cad[i][j]!=0&&i!=j)
                asdfg.unionf(i,j);
    for(int i=0; i<n; i++)
        for(int j=0; j<n; j++)
            if(cad[i][j]==0&&asdfg.findf(i)==asdfg.findf(j)&&i!=j)
                return 0;
    st asd(n+1);
    for(int i=0; i<n; i++)
        for(int j=0; j<n; j++)
            if(cad[i][j]==1&&i!=j)
                asd.unionf(i,j);
    for(int i=0; i<n; i++)
        for(int j=0; j<n; j++)
        {
            if(cad[i][j]==2&&asd.findf(i)==asd.findf(j)&&i!=j)
                return 0;
            if(asd.cad[i]==j&&i!=j)
            {
                answer[i][j]=1;
                answer[j][i]=1;
            }
        }
    int v2[n+1]={ };
    int v[n+1]={ };
    for(int j=0; j<n; j++)
    {
        int p=asd.findf(j);
        if(v[p]==0)
        {
            int pg=p;
            v[p]=1;
            for(int i=j+1; i<n; i++)
            {
                if(v[asd.findf(i)]==0&&asdfg.findf(i)==asdfg.findf(p))
                {
                    answer[asd.findf(i)][p]=1;
                    answer[p][asd.findf(i)]=1;
                    p=asd.findf(i);
                    v[asd.findf(i)]=1;
                    v2[asdfg.findf(i)]++;
                }
            }
            if(pg!=p)
            {
                answer[pg][p]=1;
                answer[p][pg]=1;
            }
        }
 
 
    }
 
    /*for(int i=0; i<n; i++)
    {
        if(v2[asdfg.findf(i)]==1)
            return 0;
    }*/
    build(answer);
    return 1;
}

Compilation message

supertrees.cpp: In constructor 'st::st(int)':
supertrees.cpp:22:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |         for(int i=0; i<cad.size(); i++)
      |                      ~^~~~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 6 ms 1160 KB Output is correct
7 Correct 188 ms 22016 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 6 ms 1160 KB Output is correct
7 Correct 188 ms 22016 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 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 6 ms 1108 KB Output is correct
13 Correct 147 ms 22024 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 4 ms 724 KB Output is correct
17 Correct 66 ms 12036 KB Output is correct
18 Correct 0 ms 284 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 37 ms 5780 KB Output is correct
21 Correct 150 ms 21944 KB Output is correct
22 Correct 146 ms 22032 KB Output is correct
23 Correct 154 ms 22024 KB Output is correct
24 Correct 177 ms 22020 KB Output is correct
25 Correct 57 ms 12044 KB Output is correct
26 Correct 55 ms 12048 KB Output is correct
27 Correct 154 ms 22020 KB Output is correct
28 Correct 149 ms 22012 KB Output is correct

Subtask #3
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 Incorrect 0 ms 212 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 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 38 ms 5716 KB Output is correct
5 Correct 151 ms 22032 KB Output is correct
6 Correct 151 ms 22068 KB Output is correct
7 Correct 154 ms 22016 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 42 ms 5808 KB Output is correct
10 Correct 151 ms 22028 KB Output is correct
11 Correct 174 ms 22016 KB Output is correct
12 Correct 157 ms 22076 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 46 ms 6260 KB Output is correct
17 Correct 162 ms 23916 KB Output is correct
18 Correct 153 ms 23940 KB Output is correct
19 Correct 150 ms 23920 KB Output is correct
20 Correct 168 ms 24012 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 6 ms 1160 KB Output is correct
7 Correct 188 ms 22016 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 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 6 ms 1108 KB Output is correct
13 Correct 147 ms 22024 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 4 ms 724 KB Output is correct
17 Correct 66 ms 12036 KB Output is correct
18 Correct 0 ms 284 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 37 ms 5780 KB Output is correct
21 Correct 150 ms 21944 KB Output is correct
22 Correct 146 ms 22032 KB Output is correct
23 Correct 154 ms 22024 KB Output is correct
24 Correct 177 ms 22020 KB Output is correct
25 Correct 57 ms 12044 KB Output is correct
26 Correct 55 ms 12048 KB Output is correct
27 Correct 154 ms 22020 KB Output is correct
28 Correct 149 ms 22012 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Incorrect 0 ms 212 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 384 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 6 ms 1160 KB Output is correct
7 Correct 188 ms 22016 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 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 6 ms 1108 KB Output is correct
13 Correct 147 ms 22024 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 4 ms 724 KB Output is correct
17 Correct 66 ms 12036 KB Output is correct
18 Correct 0 ms 284 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 37 ms 5780 KB Output is correct
21 Correct 150 ms 21944 KB Output is correct
22 Correct 146 ms 22032 KB Output is correct
23 Correct 154 ms 22024 KB Output is correct
24 Correct 177 ms 22020 KB Output is correct
25 Correct 57 ms 12044 KB Output is correct
26 Correct 55 ms 12048 KB Output is correct
27 Correct 154 ms 22020 KB Output is correct
28 Correct 149 ms 22012 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Incorrect 0 ms 212 KB Answer gives possible 1 while actual possible 0
33 Halted 0 ms 0 KB -