oj.uz

Submission #935757

# Submission time Handle Problem Language Result Execution time Memory
935757 2024-02-29T13:39:28 Z peterandvoi Game (IOI14_game) C++17
42 / 100
 1000 ms 808 KB 
#include <bits/stdc++.h>

using namespace std;

#ifdef ngu
#include "debug.h"
#else
#define debug(...) 42
#endif

vector<vector<bool>> dd, used;

int cc;

struct dsu {
    int n;
    vector<int> e;

    dsu() {};

    dsu(int n): n(n) {
        e.resize(n, -1);
    }

    int get(int u) {
        return e[u] < 0 ? u : e[u] = get(e[u]);
    }

    bool same(int u, int v) {
        return get(u) == get(v);
    }

    void unite(int u, int v) {
         u = get(u);
         v = get(v);
         if (u != v) {
             if (e[u] > e[v]) {
                swap(u, v);
             }
             e[u] += e[v];
             e[v] = u;
         }
    }

    void reset() {
        fill(e.begin(), e.end(), -1);
    }
} G;

int hasEdge(int u, int v) {
    if (u > v) {
        swap(u, v);
    }
    G.reset();
    int n = G.n;
    for (int i = 0; i < n; ++i) {
        for (int j = i + 1; j < n; ++j) {
            if (i != u || j != v) {
                if (dd[i][j]) {
                    if (used[i][j]) {
                        G.unite(i, j);
                    }
                } else {
                    G.unite(i, j);
                }
            }
        }
    }
    dd[u][v] = true;
    used[u][v] = !G.same(u, v);
    cc -= used[u][v];
    return used[u][v];
}

void initialize(int n) {
    cc = n;
    G = dsu(n);
    used.resize(n, vector<bool>(n, false));
    dd = used;
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 440 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 444 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 444 KB Output is correct
18 Correct 0 ms 440 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct

Subtask #2
27.0 / 27.0

# 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 1 ms 356 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 448 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 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 600 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 592 KB Output is correct
25 Correct 2 ms 348 KB Output is correct
26 Correct 2 ms 348 KB Output is correct
27 Correct 2 ms 348 KB Output is correct
28 Correct 2 ms 348 KB Output is correct
29 Correct 2 ms 444 KB Output is correct
30 Correct 2 ms 348 KB Output is correct
31 Correct 2 ms 344 KB Output is correct
32 Correct 3 ms 344 KB Output is correct
33 Correct 2 ms 348 KB Output is correct
34 Correct 39 ms 456 KB Output is correct
35 Correct 39 ms 472 KB Output is correct
36 Correct 39 ms 348 KB Output is correct
37 Correct 41 ms 468 KB Output is correct
38 Correct 39 ms 348 KB Output is correct
39 Correct 40 ms 348 KB Output is correct
40 Correct 39 ms 460 KB Output is correct
41 Correct 38 ms 476 KB Output is correct
42 Correct 40 ms 460 KB Output is correct
43 Correct 38 ms 472 KB Output is correct
44 Correct 34 ms 456 KB Output is correct
45 Correct 39 ms 464 KB Output is correct
46 Correct 36 ms 348 KB Output is correct
47 Correct 38 ms 472 KB Output is correct
48 Correct 35 ms 348 KB Output is correct
49 Correct 36 ms 476 KB Output is correct
50 Correct 35 ms 348 KB Output is correct
51 Correct 35 ms 348 KB Output is correct
52 Correct 35 ms 468 KB Output is correct
53 Correct 42 ms 348 KB Output is correct
54 Correct 45 ms 468 KB Output is correct

Subtask #3
0 / 58.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 604 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 444 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 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 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 360 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 444 KB Output is correct
25 Correct 2 ms 348 KB Output is correct
26 Correct 2 ms 348 KB Output is correct
27 Correct 2 ms 348 KB Output is correct
28 Correct 2 ms 448 KB Output is correct
29 Correct 2 ms 344 KB Output is correct
30 Correct 2 ms 344 KB Output is correct
31 Correct 2 ms 348 KB Output is correct
32 Correct 2 ms 348 KB Output is correct
33 Correct 2 ms 348 KB Output is correct
34 Correct 39 ms 348 KB Output is correct
35 Correct 38 ms 468 KB Output is correct
36 Correct 40 ms 756 KB Output is correct
37 Correct 39 ms 344 KB Output is correct
38 Correct 44 ms 452 KB Output is correct
39 Correct 40 ms 348 KB Output is correct
40 Correct 39 ms 348 KB Output is correct
41 Correct 39 ms 348 KB Output is correct
42 Correct 39 ms 348 KB Output is correct
43 Correct 27 ms 348 KB Output is correct
44 Correct 26 ms 456 KB Output is correct
45 Correct 36 ms 348 KB Output is correct
46 Correct 35 ms 344 KB Output is correct
47 Correct 35 ms 348 KB Output is correct
48 Correct 35 ms 472 KB Output is correct
49 Correct 36 ms 348 KB Output is correct
50 Correct 35 ms 348 KB Output is correct
51 Correct 37 ms 344 KB Output is correct
52 Correct 40 ms 348 KB Output is correct
53 Correct 42 ms 348 KB Output is correct
54 Correct 35 ms 344 KB Output is correct
55 Execution timed out 1031 ms 808 KB Time limit exceeded
56 Halted 0 ms 0 KB -