oj.uz

Submission #779165

# Submission time Handle Problem Language Result Execution time Memory
779165 2023-07-11T08:35:54 Z kamelfanger83 Connecting Supertrees (IOI20_supertrees) C++17
46 / 100
 161 ms 23976 KB 
#include "supertrees.h"
#include <vector>
#include <cassert>

using namespace std;

int construct(vector<vector<int>> p) {
    int n = p.size();
    vector<vector<int>> res (n);
    vector<bool> inc (n);

    for (int i = 0; i < n; ++i) {
        if (!res[i].empty()) continue;
        res[i].assign(n, 0);
        inc[i] = true;
        for (int j = 0; j < n; ++j) {
            if (p[i][j] == 0 || i == j) continue;
            if (p[i][j] == 1){
                res[j].assign(n, 0);
                res[j][i] = 1;
                res[i][j] = 1;
            }
        }
    }

    for (int i = 0; i < n; ++i) {
        if (!inc[i]) continue;
        int ft = -1, lt = -1, bt = -1, at = -1;
        for (int j = 0; j < n; ++j) {
            if (p[i][j] == 2 && inc[j]){
                if (ft == -1) ft = j;
                if (j < i) bt = j;
                if (j > i && at == -1) at = j;
                lt = j;
            }
        }
        if (lt == -1) continue;
        if (at == -1) at = ft;
        if (bt == -1) bt = lt;
        res[i][bt] = 1;
        res[i][at] = 1;
    }

    build(res);
    return 1;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 284 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 288 KB Output is correct
5 Correct 1 ms 288 KB Output is correct
6 Correct 9 ms 1164 KB Output is correct
7 Correct 141 ms 22716 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 284 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 288 KB Output is correct
5 Correct 1 ms 288 KB Output is correct
6 Correct 9 ms 1164 KB Output is correct
7 Correct 141 ms 22716 KB Output is correct
8 Correct 0 ms 284 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 284 KB Output is correct
12 Correct 9 ms 1260 KB Output is correct
13 Correct 150 ms 22728 KB Output is correct
14 Incorrect 0 ms 212 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 212 KB Output is correct
2 Correct 0 ms 288 KB Output is correct
3 Correct 1 ms 288 KB Output is correct
4 Incorrect 1 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 284 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 38 ms 6032 KB Output is correct
5 Correct 144 ms 22408 KB Output is correct
6 Correct 139 ms 22352 KB Output is correct
7 Correct 141 ms 22392 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 39 ms 6004 KB Output is correct
10 Correct 150 ms 23964 KB Output is correct
11 Correct 142 ms 23916 KB Output is correct
12 Correct 145 ms 23916 KB Output is correct
13 Correct 1 ms 280 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 38 ms 6156 KB Output is correct
17 Correct 151 ms 23920 KB Output is correct
18 Correct 161 ms 23920 KB Output is correct
19 Correct 139 ms 23976 KB Output is correct
20 Correct 148 ms 23884 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 284 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 288 KB Output is correct
5 Correct 1 ms 288 KB Output is correct
6 Correct 9 ms 1164 KB Output is correct
7 Correct 141 ms 22716 KB Output is correct
8 Correct 0 ms 284 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 284 KB Output is correct
12 Correct 9 ms 1260 KB Output is correct
13 Correct 150 ms 22728 KB Output is correct
14 Incorrect 0 ms 212 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 212 KB Output is correct
2 Correct 0 ms 284 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 288 KB Output is correct
5 Correct 1 ms 288 KB Output is correct
6 Correct 9 ms 1164 KB Output is correct
7 Correct 141 ms 22716 KB Output is correct
8 Correct 0 ms 284 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 284 KB Output is correct
12 Correct 9 ms 1260 KB Output is correct
13 Correct 150 ms 22728 KB Output is correct
14 Incorrect 0 ms 212 KB Answer gives possible 1 while actual possible 0
15 Halted 0 ms 0 KB -