oj.uz

Submission #1004328

# Submission time Handle Problem Language Result Execution time Memory
1004328 2024-06-21T07:47:28 Z spensa Connecting Supertrees (IOI20_supertrees) C++14
11 / 100
 110 ms 24144 KB 
#include "supertrees.h"
#include <iostream>
#include <vector>
#include <map>
using namespace std;

int construct(std::vector<std::vector<int>> p) {
    //subtask 2: star graph, but as connected components
	int n = p.size();
    vector<vector<int>> ans(n, vector<int> (n));  

    for(int i=0; i<n; i++){
        for(int j=0; j<n; j++){
            ans[i][j] = 0;
        }
    }

    map<int, vector<int>> cc;
    vector<int> flags;
    flags.push_back(0);
    for(int i=1; i<n; i++){
        int tmp = 0;
        for(int j: flags){
            if(p[i][j]==0) continue;
            ans[i][j] = 1;
            ans[j][i] = 1;
            cc[j].push_back(i);
            tmp++;
            // break;
        }
        if(tmp>=2) return 0;
        if(tmp==0){
            flags.push_back(i);
            cc[i].push_back(i);
        }
    }

    for(auto i: cc){
        // cout<<"i.first="<<i.first<<"\n";
        for(int j: i.second){
            for(int k: i.second){
                // cout<<"ABORT";
                if(p[j][k]==0){
                    // cout<<"j="<<j<<" k="<<k<<"\n";
                    // cout<<"NOPE\n";
                    return 0;
                }
            }
        }
    }

    build(ans);
	return 1;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 7 ms 1372 KB Output is correct
7 Correct 110 ms 23936 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 7 ms 1372 KB Output is correct
7 Correct 110 ms 23936 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 604 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 5 ms 1372 KB Output is correct
13 Correct 109 ms 24144 KB Output is correct
14 Incorrect 0 ms 348 KB Answer gives possible 1 while actual possible 0
15 Halted 0 ms 0 KB -

Subtask #3
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 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 -

Subtask #4
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Incorrect 0 ms 348 KB Too few ways to get from 0 to 1, should be 2 found 1
3 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 7 ms 1372 KB Output is correct
7 Correct 110 ms 23936 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 604 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 5 ms 1372 KB Output is correct
13 Correct 109 ms 24144 KB Output is correct
14 Incorrect 0 ms 348 KB Answer gives possible 1 while actual possible 0
15 Halted 0 ms 0 KB -

Subtask #6
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 7 ms 1372 KB Output is correct
7 Correct 110 ms 23936 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 604 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 5 ms 1372 KB Output is correct
13 Correct 109 ms 24144 KB Output is correct
14 Incorrect 0 ms 348 KB Answer gives possible 1 while actual possible 0
15 Halted 0 ms 0 KB -