oj.uz

Submission #1047824

# Submission time Handle Problem Language Result Execution time Memory
1047824 2024-08-07T16:19:04 Z cpdreamer Connecting Supertrees (IOI20_supertrees) C++14
21 / 100
 111 ms 23380 KB 
#include "supertrees.h"
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <utility>
#define V vector
#define P pair
#define S second
#define F first
#define pb push_back
#define all(v) v.begin(),v.end()
typedef long long ll;
using namespace __gnu_pbds;
using namespace std;
typedef tree<int,null_type,less<int>,rb_tree_tag,
        tree_order_statistics_node_update> indexed_set;
static int called = 0;const long long MOD = 1e9+7; // 1e9 + 7
int construct(std::vector<std::vector<int>> p) {
    int n =(int) p.size();
    V<V<int>>ans(n,V<int>(n,0));
    V<int>component(n);
    V<bool>visited(n,false);
    for(int i=0;i<n;i++){
        if(visited[i])continue;
        component[i]=i;
        for(int j=0;j<n;j++){
            if(i==j)continue;
            if(p[i][j]) {
                if(visited[j])return 0;
                visited[j] = true;
                component[j] = i;
                ans[i][j] = 1;
                ans[j][i] = 1;
            }
        }
    }
    for(int i=0;i<n;i++){
        for(int j=0;j<n;j++){
            if((component[i]==component[j])!=p[i][j])return 0;
        }
    }
    build(ans);
    return 1;
}

Compilation message

supertrees.cpp:16:12: warning: 'called' defined but not used [-Wunused-variable]
   16 | static int called = 0;const long long MOD = 1e9+7; // 1e9 + 7
      |            ^~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 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 348 KB Output is correct
6 Correct 4 ms 1188 KB Output is correct
7 Correct 92 ms 23344 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 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 348 KB Output is correct
6 Correct 4 ms 1188 KB Output is correct
7 Correct 92 ms 23344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 4 ms 1372 KB Output is correct
13 Correct 96 ms 23376 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 3 ms 860 KB Output is correct
17 Correct 47 ms 13328 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 440 KB Output is correct
20 Correct 28 ms 6316 KB Output is correct
21 Correct 97 ms 23380 KB Output is correct
22 Correct 94 ms 23296 KB Output is correct
23 Correct 111 ms 23376 KB Output is correct
24 Correct 110 ms 23320 KB Output is correct
25 Correct 60 ms 13516 KB Output is correct
26 Correct 43 ms 13324 KB Output is correct
27 Correct 105 ms 23284 KB Output is correct
28 Correct 96 ms 23380 KB Output is correct

Subtask #3
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 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 Incorrect 0 ms 348 KB Answer gives possible 0 while actual possible 1
6 Halted 0 ms 0 KB -

Subtask #4
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 0 ms 348 KB Answer gives possible 0 while actual possible 1
3 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 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 348 KB Output is correct
6 Correct 4 ms 1188 KB Output is correct
7 Correct 92 ms 23344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 4 ms 1372 KB Output is correct
13 Correct 96 ms 23376 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 3 ms 860 KB Output is correct
17 Correct 47 ms 13328 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 440 KB Output is correct
20 Correct 28 ms 6316 KB Output is correct
21 Correct 97 ms 23380 KB Output is correct
22 Correct 94 ms 23296 KB Output is correct
23 Correct 111 ms 23376 KB Output is correct
24 Correct 110 ms 23320 KB Output is correct
25 Correct 60 ms 13516 KB Output is correct
26 Correct 43 ms 13324 KB Output is correct
27 Correct 105 ms 23284 KB Output is correct
28 Correct 96 ms 23380 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Incorrect 0 ms 348 KB Answer gives possible 0 while actual possible 1
34 Halted 0 ms 0 KB -

Subtask #6
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 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 348 KB Output is correct
6 Correct 4 ms 1188 KB Output is correct
7 Correct 92 ms 23344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 4 ms 1372 KB Output is correct
13 Correct 96 ms 23376 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 3 ms 860 KB Output is correct
17 Correct 47 ms 13328 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 440 KB Output is correct
20 Correct 28 ms 6316 KB Output is correct
21 Correct 97 ms 23380 KB Output is correct
22 Correct 94 ms 23296 KB Output is correct
23 Correct 111 ms 23376 KB Output is correct
24 Correct 110 ms 23320 KB Output is correct
25 Correct 60 ms 13516 KB Output is correct
26 Correct 43 ms 13324 KB Output is correct
27 Correct 105 ms 23284 KB Output is correct
28 Correct 96 ms 23380 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Incorrect 0 ms 348 KB Answer gives possible 0 while actual possible 1
34 Halted 0 ms 0 KB -