oj.uz

답안 #366793

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
366793 2021-02-15T09:53:43 Z KoD 게임 (IOI14_game) C++17
100 / 100
 507 ms 28368 KB 
#include <bits/stdc++.h>

struct DSU {
    std::vector<int> par;
    DSU() { }
    DSU(const int n): par(n, -1) { }
    int find(const int u) {
        return par[u] < 0 ? u : par[u] = find(par[u]);
    }
    void absorb(int u, int v) {
        u = find(u);
        v = find(v);
        if (u == v) {
            return;
        }
        par[v] = u;
    }
};

DSU dsu;
int N;
int count[2000][2000];

void initialize(int n) {
    N = n;
    dsu = DSU(n);
    for (int i = 0; i < n; ++i) {
        for (int j = 0; j < n; ++j) {
            if (i != j) {
                count[i][j] = 1;
            }
        }
    }
}

int hasEdge(int u, int v) {
    u = dsu.find(u);
    v = dsu.find(v);
    if (count[u][v] == 1) {
        for (int i = 0; i < N; ++i) {
            count[u][i] += count[v][i];
            count[i][u] += count[v][i];
        }
        dsu.absorb(u, v);
        return 1;
    }
    else {
        count[u][v] -= 1;
        count[v][u] -= 1;
        return 0;
    }
}

#ifdef __APPLE__
int main() {
    int n;
    std::cin >> n;
    initialize(n);
    for (int i = 0; i < n; ++i) {
        for (int j = 0; j < i; ++j) {
            int u, v;
            std::cin >> u >> v;
            std::cout << hasEdge(u, v) << '\n';
        }
    }
}
#endif

Subtask #1
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct

Subtask #2
27.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 392 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 492 KB Output is correct
26 Correct 1 ms 620 KB Output is correct
27 Correct 1 ms 492 KB Output is correct
28 Correct 1 ms 492 KB Output is correct
29 Correct 1 ms 492 KB Output is correct
30 Correct 1 ms 492 KB Output is correct
31 Correct 1 ms 492 KB Output is correct
32 Correct 1 ms 492 KB Output is correct
33 Correct 1 ms 492 KB Output is correct
34 Correct 2 ms 748 KB Output is correct
35 Correct 2 ms 748 KB Output is correct
36 Correct 3 ms 748 KB Output is correct
37 Correct 3 ms 748 KB Output is correct
38 Correct 2 ms 748 KB Output is correct
39 Correct 2 ms 748 KB Output is correct
40 Correct 3 ms 748 KB Output is correct
41 Correct 2 ms 748 KB Output is correct
42 Correct 2 ms 748 KB Output is correct
43 Correct 2 ms 748 KB Output is correct
44 Correct 2 ms 748 KB Output is correct
45 Correct 2 ms 748 KB Output is correct
46 Correct 2 ms 748 KB Output is correct
47 Correct 2 ms 748 KB Output is correct
48 Correct 2 ms 748 KB Output is correct
49 Correct 2 ms 748 KB Output is correct
50 Correct 2 ms 748 KB Output is correct
51 Correct 2 ms 748 KB Output is correct
52 Correct 2 ms 620 KB Output is correct
53 Correct 2 ms 768 KB Output is correct
54 Correct 2 ms 748 KB Output is correct

Subtask #3
58.0 / 58.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 392 KB Output is correct
7 Correct 1 ms 392 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 492 KB Output is correct
26 Correct 1 ms 492 KB Output is correct
27 Correct 1 ms 492 KB Output is correct
28 Correct 1 ms 492 KB Output is correct
29 Correct 1 ms 492 KB Output is correct
30 Correct 1 ms 492 KB Output is correct
31 Correct 1 ms 492 KB Output is correct
32 Correct 1 ms 492 KB Output is correct
33 Correct 1 ms 492 KB Output is correct
34 Correct 2 ms 748 KB Output is correct
35 Correct 3 ms 896 KB Output is correct
36 Correct 2 ms 748 KB Output is correct
37 Correct 2 ms 748 KB Output is correct
38 Correct 2 ms 748 KB Output is correct
39 Correct 2 ms 748 KB Output is correct
40 Correct 2 ms 748 KB Output is correct
41 Correct 2 ms 768 KB Output is correct
42 Correct 2 ms 748 KB Output is correct
43 Correct 2 ms 748 KB Output is correct
44 Correct 3 ms 748 KB Output is correct
45 Correct 2 ms 748 KB Output is correct
46 Correct 3 ms 748 KB Output is correct
47 Correct 3 ms 748 KB Output is correct
48 Correct 2 ms 748 KB Output is correct
49 Correct 2 ms 748 KB Output is correct
50 Correct 2 ms 876 KB Output is correct
51 Correct 2 ms 748 KB Output is correct
52 Correct 2 ms 748 KB Output is correct
53 Correct 2 ms 748 KB Output is correct
54 Correct 2 ms 748 KB Output is correct
55 Correct 97 ms 5268 KB Output is correct
56 Correct 50 ms 5176 KB Output is correct
57 Correct 50 ms 5228 KB Output is correct
58 Correct 49 ms 5228 KB Output is correct
59 Correct 49 ms 5228 KB Output is correct
60 Correct 49 ms 5356 KB Output is correct
61 Correct 49 ms 5228 KB Output is correct
62 Correct 49 ms 5376 KB Output is correct
63 Correct 50 ms 5228 KB Output is correct
64 Correct 47 ms 5228 KB Output is correct
65 Correct 47 ms 5228 KB Output is correct
66 Correct 50 ms 5228 KB Output is correct
67 Correct 50 ms 5228 KB Output is correct
68 Correct 50 ms 5228 KB Output is correct
69 Correct 60 ms 5228 KB Output is correct
70 Correct 59 ms 5228 KB Output is correct
71 Correct 48 ms 5228 KB Output is correct
72 Correct 53 ms 5196 KB Output is correct
73 Correct 50 ms 5228 KB Output is correct
74 Correct 48 ms 5228 KB Output is correct
75 Correct 48 ms 5228 KB Output is correct
76 Correct 138 ms 9836 KB Output is correct
77 Correct 116 ms 9836 KB Output is correct
78 Correct 115 ms 9836 KB Output is correct
79 Correct 124 ms 10052 KB Output is correct
80 Correct 114 ms 9964 KB Output is correct
81 Correct 118 ms 9836 KB Output is correct
82 Correct 122 ms 9836 KB Output is correct
83 Correct 116 ms 9836 KB Output is correct
84 Correct 116 ms 9836 KB Output is correct
85 Correct 220 ms 15724 KB Output is correct
86 Correct 216 ms 15596 KB Output is correct
87 Correct 233 ms 15456 KB Output is correct
88 Correct 209 ms 15468 KB Output is correct
89 Correct 212 ms 15468 KB Output is correct
90 Correct 206 ms 15468 KB Output is correct
91 Correct 202 ms 15468 KB Output is correct
92 Correct 226 ms 15468 KB Output is correct
93 Correct 209 ms 15468 KB Output is correct
94 Correct 488 ms 28140 KB Output is correct
95 Correct 477 ms 28140 KB Output is correct
96 Correct 493 ms 28268 KB Output is correct
97 Correct 507 ms 28268 KB Output is correct
98 Correct 472 ms 28140 KB Output is correct
99 Correct 475 ms 28140 KB Output is correct
100 Correct 502 ms 28368 KB Output is correct