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답안 #943218

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
943218 2024-03-11T09:22:27 Z alextodoran Security Guard (JOI23_guard) C++17
50 / 100
 164 ms 13732 KB 
/**
 _  _   __  _ _ _  _  _ _
 |a  ||t  ||o    d | |o  |
| __    _| | _ | __|  _ |
| __ |/_  | __  /__\ / _\|

**/

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

const int N_MAX = 200000;
const int M_MAX = 400000;
const int Q_MAX = 200000;

int N, M, Q;
int S[N_MAX + 2];
int edge_u[M_MAX + 2], edge_v[M_MAX + 2];

int order[M_MAX + 2];

int root[N_MAX + 2];
int find_root (int u) {
    return (root[u] == 0 ? u : root[u] = find_root(root[u]));
}
bool join (int u, int v) {
    u = find_root(u);
    v = find_root(v);
    if (u != v) {
        root[u] = v;
        return true;
    }
    return false;
}

int main () {
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    cin >> N >> M >> Q;
    assert(Q == 0);
    for (int u = 1; u <= N; u++) {
        cin >> S[u];
    }
    for (int i = 1; i <= M; i++) {
        cin >> edge_u[i] >> edge_v[i];
    }
    iota(order + 1, order + M + 1, 1);
    sort(order + 1, order + M + 1, [&] (const int &i, const int &j) {
        return S[edge_u[i]] + S[edge_v[i]] < S[edge_u[j]] + S[edge_v[j]];
    });
    ll answer = 0;
    for (int _ = 1; _ <= M; _++) {
        int i = order[_];
        if (join(edge_u[i], edge_v[i]) == true) {
            answer += S[edge_u[i]] + S[edge_v[i]];
        }
    }
    int mx = 0;
    for (int u = 1; u <= N; u++) {
        answer -= S[u];
        mx = max(mx, S[u]);
    }
    answer += mx;
    cout << answer << "\n";

    return 0;
}

Subtask #1
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 56 ms 8784 KB Output is correct
3 Correct 37 ms 8836 KB Output is correct
4 Correct 40 ms 8764 KB Output is correct
5 Correct 45 ms 8784 KB Output is correct
6 Correct 40 ms 8784 KB Output is correct
7 Correct 39 ms 8784 KB Output is correct
8 Correct 1 ms 4440 KB Output is correct

Subtask #2
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 56 ms 8784 KB Output is correct
3 Correct 37 ms 8836 KB Output is correct
4 Correct 40 ms 8764 KB Output is correct
5 Correct 45 ms 8784 KB Output is correct
6 Correct 40 ms 8784 KB Output is correct
7 Correct 39 ms 8784 KB Output is correct
8 Correct 1 ms 4440 KB Output is correct
9 Correct 1 ms 4696 KB Output is correct
10 Correct 72 ms 10172 KB Output is correct
11 Correct 47 ms 10420 KB Output is correct
12 Correct 69 ms 10320 KB Output is correct
13 Correct 65 ms 10176 KB Output is correct
14 Correct 70 ms 10176 KB Output is correct
15 Correct 68 ms 10188 KB Output is correct
16 Correct 71 ms 10220 KB Output is correct
17 Correct 66 ms 10324 KB Output is correct

Subtask #3
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 56 ms 8784 KB Output is correct
3 Correct 37 ms 8836 KB Output is correct
4 Correct 40 ms 8764 KB Output is correct
5 Correct 45 ms 8784 KB Output is correct
6 Correct 40 ms 8784 KB Output is correct
7 Correct 39 ms 8784 KB Output is correct
8 Correct 1 ms 4440 KB Output is correct
9 Correct 1 ms 4696 KB Output is correct
10 Correct 72 ms 10172 KB Output is correct
11 Correct 47 ms 10420 KB Output is correct
12 Correct 69 ms 10320 KB Output is correct
13 Correct 65 ms 10176 KB Output is correct
14 Correct 70 ms 10176 KB Output is correct
15 Correct 68 ms 10188 KB Output is correct
16 Correct 71 ms 10220 KB Output is correct
17 Correct 66 ms 10324 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 91 ms 10172 KB Output is correct
20 Correct 71 ms 10148 KB Output is correct
21 Correct 92 ms 10184 KB Output is correct
22 Correct 75 ms 10212 KB Output is correct
23 Correct 74 ms 10304 KB Output is correct
24 Correct 103 ms 10320 KB Output is correct
25 Correct 70 ms 10324 KB Output is correct
26 Correct 69 ms 10068 KB Output is correct
27 Correct 68 ms 10200 KB Output is correct
28 Correct 77 ms 10232 KB Output is correct
29 Correct 83 ms 10324 KB Output is correct
30 Correct 84 ms 10688 KB Output is correct
31 Correct 68 ms 10324 KB Output is correct
32 Correct 92 ms 10324 KB Output is correct
33 Correct 50 ms 9808 KB Output is correct
34 Correct 66 ms 10280 KB Output is correct
35 Correct 62 ms 10360 KB Output is correct
36 Correct 56 ms 10396 KB Output is correct
37 Correct 58 ms 10464 KB Output is correct
38 Correct 59 ms 10072 KB Output is correct
39 Correct 60 ms 10844 KB Output is correct
40 Correct 59 ms 10424 KB Output is correct
41 Correct 73 ms 9532 KB Output is correct
42 Correct 66 ms 9540 KB Output is correct
43 Correct 56 ms 10092 KB Output is correct
44 Correct 92 ms 10320 KB Output is correct
45 Correct 58 ms 10312 KB Output is correct
46 Correct 64 ms 10320 KB Output is correct
47 Correct 61 ms 10188 KB Output is correct
48 Correct 67 ms 10232 KB Output is correct
49 Correct 73 ms 10308 KB Output is correct
50 Correct 72 ms 10324 KB Output is correct
51 Correct 54 ms 10576 KB Output is correct
52 Correct 46 ms 8792 KB Output is correct

Subtask #4
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 56 ms 8784 KB Output is correct
3 Correct 37 ms 8836 KB Output is correct
4 Correct 40 ms 8764 KB Output is correct
5 Correct 45 ms 8784 KB Output is correct
6 Correct 40 ms 8784 KB Output is correct
7 Correct 39 ms 8784 KB Output is correct
8 Correct 1 ms 4440 KB Output is correct
9 Correct 1 ms 4696 KB Output is correct
10 Correct 72 ms 10172 KB Output is correct
11 Correct 47 ms 10420 KB Output is correct
12 Correct 69 ms 10320 KB Output is correct
13 Correct 65 ms 10176 KB Output is correct
14 Correct 70 ms 10176 KB Output is correct
15 Correct 68 ms 10188 KB Output is correct
16 Correct 71 ms 10220 KB Output is correct
17 Correct 66 ms 10324 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 91 ms 10172 KB Output is correct
20 Correct 71 ms 10148 KB Output is correct
21 Correct 92 ms 10184 KB Output is correct
22 Correct 75 ms 10212 KB Output is correct
23 Correct 74 ms 10304 KB Output is correct
24 Correct 103 ms 10320 KB Output is correct
25 Correct 70 ms 10324 KB Output is correct
26 Correct 69 ms 10068 KB Output is correct
27 Correct 68 ms 10200 KB Output is correct
28 Correct 77 ms 10232 KB Output is correct
29 Correct 83 ms 10324 KB Output is correct
30 Correct 84 ms 10688 KB Output is correct
31 Correct 68 ms 10324 KB Output is correct
32 Correct 92 ms 10324 KB Output is correct
33 Correct 50 ms 9808 KB Output is correct
34 Correct 66 ms 10280 KB Output is correct
35 Correct 62 ms 10360 KB Output is correct
36 Correct 56 ms 10396 KB Output is correct
37 Correct 58 ms 10464 KB Output is correct
38 Correct 59 ms 10072 KB Output is correct
39 Correct 60 ms 10844 KB Output is correct
40 Correct 59 ms 10424 KB Output is correct
41 Correct 73 ms 9532 KB Output is correct
42 Correct 66 ms 9540 KB Output is correct
43 Correct 56 ms 10092 KB Output is correct
44 Correct 92 ms 10320 KB Output is correct
45 Correct 58 ms 10312 KB Output is correct
46 Correct 64 ms 10320 KB Output is correct
47 Correct 61 ms 10188 KB Output is correct
48 Correct 67 ms 10232 KB Output is correct
49 Correct 73 ms 10308 KB Output is correct
50 Correct 72 ms 10324 KB Output is correct
51 Correct 54 ms 10576 KB Output is correct
52 Correct 46 ms 8792 KB Output is correct
53 Correct 1 ms 4440 KB Output is correct
54 Correct 81 ms 10364 KB Output is correct
55 Correct 77 ms 10412 KB Output is correct
56 Correct 94 ms 11240 KB Output is correct
57 Correct 138 ms 13504 KB Output is correct
58 Correct 136 ms 13504 KB Output is correct
59 Correct 138 ms 13648 KB Output is correct
60 Correct 99 ms 11912 KB Output is correct
61 Correct 140 ms 13388 KB Output is correct
62 Correct 144 ms 13612 KB Output is correct
63 Correct 75 ms 10616 KB Output is correct
64 Correct 104 ms 11772 KB Output is correct
65 Correct 136 ms 13732 KB Output is correct
66 Correct 137 ms 13452 KB Output is correct
67 Correct 139 ms 13480 KB Output is correct
68 Correct 50 ms 9336 KB Output is correct
69 Correct 121 ms 12372 KB Output is correct
70 Correct 76 ms 10796 KB Output is correct
71 Correct 70 ms 10596 KB Output is correct
72 Correct 71 ms 10564 KB Output is correct
73 Correct 61 ms 10064 KB Output is correct
74 Correct 61 ms 10760 KB Output is correct
75 Correct 78 ms 10324 KB Output is correct
76 Correct 66 ms 9552 KB Output is correct
77 Correct 66 ms 9536 KB Output is correct
78 Correct 60 ms 10588 KB Output is correct
79 Correct 164 ms 13504 KB Output is correct
80 Correct 75 ms 11348 KB Output is correct
81 Correct 96 ms 13036 KB Output is correct
82 Correct 103 ms 13532 KB Output is correct
83 Correct 124 ms 13540 KB Output is correct
84 Correct 143 ms 13648 KB Output is correct
85 Correct 82 ms 10324 KB Output is correct
86 Correct 62 ms 10452 KB Output is correct
87 Correct 49 ms 8904 KB Output is correct
88 Correct 145 ms 13644 KB Output is correct

Subtask #5
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Runtime error 1 ms 604 KB Execution killed with signal 6
3 Halted 0 ms 0 KB -

Subtask #6
0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Runtime error 1 ms 604 KB Execution killed with signal 6
3 Halted 0 ms 0 KB -

Subtask #7
0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 56 ms 8784 KB Output is correct
3 Correct 37 ms 8836 KB Output is correct
4 Correct 40 ms 8764 KB Output is correct
5 Correct 45 ms 8784 KB Output is correct
6 Correct 40 ms 8784 KB Output is correct
7 Correct 39 ms 8784 KB Output is correct
8 Correct 1 ms 4440 KB Output is correct
9 Correct 1 ms 4696 KB Output is correct
10 Correct 72 ms 10172 KB Output is correct
11 Correct 47 ms 10420 KB Output is correct
12 Correct 69 ms 10320 KB Output is correct
13 Correct 65 ms 10176 KB Output is correct
14 Correct 70 ms 10176 KB Output is correct
15 Correct 68 ms 10188 KB Output is correct
16 Correct 71 ms 10220 KB Output is correct
17 Correct 66 ms 10324 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 91 ms 10172 KB Output is correct
20 Correct 71 ms 10148 KB Output is correct
21 Correct 92 ms 10184 KB Output is correct
22 Correct 75 ms 10212 KB Output is correct
23 Correct 74 ms 10304 KB Output is correct
24 Correct 103 ms 10320 KB Output is correct
25 Correct 70 ms 10324 KB Output is correct
26 Correct 69 ms 10068 KB Output is correct
27 Correct 68 ms 10200 KB Output is correct
28 Correct 77 ms 10232 KB Output is correct
29 Correct 83 ms 10324 KB Output is correct
30 Correct 84 ms 10688 KB Output is correct
31 Correct 68 ms 10324 KB Output is correct
32 Correct 92 ms 10324 KB Output is correct
33 Correct 50 ms 9808 KB Output is correct
34 Correct 66 ms 10280 KB Output is correct
35 Correct 62 ms 10360 KB Output is correct
36 Correct 56 ms 10396 KB Output is correct
37 Correct 58 ms 10464 KB Output is correct
38 Correct 59 ms 10072 KB Output is correct
39 Correct 60 ms 10844 KB Output is correct
40 Correct 59 ms 10424 KB Output is correct
41 Correct 73 ms 9532 KB Output is correct
42 Correct 66 ms 9540 KB Output is correct
43 Correct 56 ms 10092 KB Output is correct
44 Correct 92 ms 10320 KB Output is correct
45 Correct 58 ms 10312 KB Output is correct
46 Correct 64 ms 10320 KB Output is correct
47 Correct 61 ms 10188 KB Output is correct
48 Correct 67 ms 10232 KB Output is correct
49 Correct 73 ms 10308 KB Output is correct
50 Correct 72 ms 10324 KB Output is correct
51 Correct 54 ms 10576 KB Output is correct
52 Correct 46 ms 8792 KB Output is correct
53 Correct 1 ms 4440 KB Output is correct
54 Correct 81 ms 10364 KB Output is correct
55 Correct 77 ms 10412 KB Output is correct
56 Correct 94 ms 11240 KB Output is correct
57 Correct 138 ms 13504 KB Output is correct
58 Correct 136 ms 13504 KB Output is correct
59 Correct 138 ms 13648 KB Output is correct
60 Correct 99 ms 11912 KB Output is correct
61 Correct 140 ms 13388 KB Output is correct
62 Correct 144 ms 13612 KB Output is correct
63 Correct 75 ms 10616 KB Output is correct
64 Correct 104 ms 11772 KB Output is correct
65 Correct 136 ms 13732 KB Output is correct
66 Correct 137 ms 13452 KB Output is correct
67 Correct 139 ms 13480 KB Output is correct
68 Correct 50 ms 9336 KB Output is correct
69 Correct 121 ms 12372 KB Output is correct
70 Correct 76 ms 10796 KB Output is correct
71 Correct 70 ms 10596 KB Output is correct
72 Correct 71 ms 10564 KB Output is correct
73 Correct 61 ms 10064 KB Output is correct
74 Correct 61 ms 10760 KB Output is correct
75 Correct 78 ms 10324 KB Output is correct
76 Correct 66 ms 9552 KB Output is correct
77 Correct 66 ms 9536 KB Output is correct
78 Correct 60 ms 10588 KB Output is correct
79 Correct 164 ms 13504 KB Output is correct
80 Correct 75 ms 11348 KB Output is correct
81 Correct 96 ms 13036 KB Output is correct
82 Correct 103 ms 13532 KB Output is correct
83 Correct 124 ms 13540 KB Output is correct
84 Correct 143 ms 13648 KB Output is correct
85 Correct 82 ms 10324 KB Output is correct
86 Correct 62 ms 10452 KB Output is correct
87 Correct 49 ms 8904 KB Output is correct
88 Correct 145 ms 13644 KB Output is correct
89 Correct 1 ms 4440 KB Output is correct
90 Runtime error 1 ms 604 KB Execution killed with signal 6
91 Halted 0 ms 0 KB -