oj.uz

Submission #796046

# Submission time Handle Problem Language Result Execution time Memory
796046 2023-07-28T05:23:50 Z 박상훈(#10069) Security Guard (JOI23_guard) C++17
37 / 100
 151 ms 18340 KB 
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

vector<int> adj[200200];
int a[200200];
ll ans;

void dfs(int s, int pa){
	ans += a[pa];
	for (auto &v:adj[s]) if (v!=pa) dfs(v, s);
}

int main(){
	int n, m, q;
	scanf("%d %d %d", &n, &m, &q);

	for (int i=1;i<=n;i++) scanf("%d", a+i);
	int root = max_element(a+1, a+n+1) - a;
	
	for (int i=1;i<=m;i++){
		int x, y;
		scanf("%d %d", &x, &y);
		adj[x].push_back(y);
		adj[y].push_back(x);
	}

	if (m > n-1 || q > 0) return 0;

	ans = 0;
	for (auto &x:adj[root]) dfs(x, root);
	printf("%lld\n", ans);
}

Compilation message

guard.cpp: In function 'int main()':
guard.cpp:17:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |  scanf("%d %d %d", &n, &m, &q);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
guard.cpp:19:30: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |  for (int i=1;i<=n;i++) scanf("%d", a+i);
      |                         ~~~~~^~~~~~~~~~~
guard.cpp:24:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   24 |   scanf("%d %d", &x, &y);
      |   ~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 74 ms 18060 KB Output is correct
3 Correct 78 ms 18164 KB Output is correct
4 Correct 83 ms 18124 KB Output is correct
5 Correct 73 ms 18124 KB Output is correct
6 Correct 73 ms 18020 KB Output is correct
7 Correct 78 ms 18048 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 74 ms 18060 KB Output is correct
3 Correct 78 ms 18164 KB Output is correct
4 Correct 83 ms 18124 KB Output is correct
5 Correct 73 ms 18124 KB Output is correct
6 Correct 73 ms 18020 KB Output is correct
7 Correct 78 ms 18048 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 2 ms 4948 KB Output is correct
10 Correct 76 ms 15928 KB Output is correct
11 Correct 77 ms 18096 KB Output is correct
12 Correct 77 ms 18048 KB Output is correct
13 Correct 82 ms 18036 KB Output is correct
14 Correct 77 ms 18084 KB Output is correct
15 Correct 77 ms 18196 KB Output is correct
16 Correct 81 ms 17456 KB Output is correct
17 Correct 80 ms 17708 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 74 ms 18060 KB Output is correct
3 Correct 78 ms 18164 KB Output is correct
4 Correct 83 ms 18124 KB Output is correct
5 Correct 73 ms 18124 KB Output is correct
6 Correct 73 ms 18020 KB Output is correct
7 Correct 78 ms 18048 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 2 ms 4948 KB Output is correct
10 Correct 76 ms 15928 KB Output is correct
11 Correct 77 ms 18096 KB Output is correct
12 Correct 77 ms 18048 KB Output is correct
13 Correct 82 ms 18036 KB Output is correct
14 Correct 77 ms 18084 KB Output is correct
15 Correct 77 ms 18196 KB Output is correct
16 Correct 81 ms 17456 KB Output is correct
17 Correct 80 ms 17708 KB Output is correct
18 Correct 2 ms 4948 KB Output is correct
19 Correct 137 ms 15144 KB Output is correct
20 Correct 131 ms 14724 KB Output is correct
21 Correct 96 ms 12168 KB Output is correct
22 Correct 103 ms 12544 KB Output is correct
23 Correct 96 ms 13260 KB Output is correct
24 Correct 101 ms 13280 KB Output is correct
25 Correct 95 ms 13152 KB Output is correct
26 Correct 94 ms 13028 KB Output is correct
27 Correct 95 ms 13128 KB Output is correct
28 Correct 142 ms 17196 KB Output is correct
29 Correct 151 ms 14820 KB Output is correct
30 Correct 98 ms 13864 KB Output is correct
31 Correct 90 ms 13052 KB Output is correct
32 Correct 97 ms 12792 KB Output is correct
33 Correct 126 ms 12308 KB Output is correct
34 Correct 134 ms 12432 KB Output is correct
35 Correct 108 ms 13276 KB Output is correct
36 Correct 92 ms 13076 KB Output is correct
37 Correct 94 ms 13264 KB Output is correct
38 Correct 114 ms 14520 KB Output is correct
39 Correct 116 ms 15644 KB Output is correct
40 Correct 103 ms 13668 KB Output is correct
41 Correct 129 ms 18340 KB Output is correct
42 Correct 134 ms 17872 KB Output is correct
43 Correct 93 ms 12292 KB Output is correct
44 Correct 118 ms 12556 KB Output is correct
45 Correct 110 ms 12488 KB Output is correct
46 Correct 108 ms 12360 KB Output is correct
47 Correct 120 ms 12640 KB Output is correct
48 Correct 115 ms 12456 KB Output is correct
49 Correct 117 ms 12420 KB Output is correct
50 Correct 109 ms 12484 KB Output is correct
51 Correct 117 ms 12604 KB Output is correct
52 Correct 112 ms 12396 KB Output is correct

Subtask #4
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 74 ms 18060 KB Output is correct
3 Correct 78 ms 18164 KB Output is correct
4 Correct 83 ms 18124 KB Output is correct
5 Correct 73 ms 18124 KB Output is correct
6 Correct 73 ms 18020 KB Output is correct
7 Correct 78 ms 18048 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 2 ms 4948 KB Output is correct
10 Correct 76 ms 15928 KB Output is correct
11 Correct 77 ms 18096 KB Output is correct
12 Correct 77 ms 18048 KB Output is correct
13 Correct 82 ms 18036 KB Output is correct
14 Correct 77 ms 18084 KB Output is correct
15 Correct 77 ms 18196 KB Output is correct
16 Correct 81 ms 17456 KB Output is correct
17 Correct 80 ms 17708 KB Output is correct
18 Correct 2 ms 4948 KB Output is correct
19 Correct 137 ms 15144 KB Output is correct
20 Correct 131 ms 14724 KB Output is correct
21 Correct 96 ms 12168 KB Output is correct
22 Correct 103 ms 12544 KB Output is correct
23 Correct 96 ms 13260 KB Output is correct
24 Correct 101 ms 13280 KB Output is correct
25 Correct 95 ms 13152 KB Output is correct
26 Correct 94 ms 13028 KB Output is correct
27 Correct 95 ms 13128 KB Output is correct
28 Correct 142 ms 17196 KB Output is correct
29 Correct 151 ms 14820 KB Output is correct
30 Correct 98 ms 13864 KB Output is correct
31 Correct 90 ms 13052 KB Output is correct
32 Correct 97 ms 12792 KB Output is correct
33 Correct 126 ms 12308 KB Output is correct
34 Correct 134 ms 12432 KB Output is correct
35 Correct 108 ms 13276 KB Output is correct
36 Correct 92 ms 13076 KB Output is correct
37 Correct 94 ms 13264 KB Output is correct
38 Correct 114 ms 14520 KB Output is correct
39 Correct 116 ms 15644 KB Output is correct
40 Correct 103 ms 13668 KB Output is correct
41 Correct 129 ms 18340 KB Output is correct
42 Correct 134 ms 17872 KB Output is correct
43 Correct 93 ms 12292 KB Output is correct
44 Correct 118 ms 12556 KB Output is correct
45 Correct 110 ms 12488 KB Output is correct
46 Correct 108 ms 12360 KB Output is correct
47 Correct 120 ms 12640 KB Output is correct
48 Correct 115 ms 12456 KB Output is correct
49 Correct 117 ms 12420 KB Output is correct
50 Correct 109 ms 12484 KB Output is correct
51 Correct 117 ms 12604 KB Output is correct
52 Correct 112 ms 12396 KB Output is correct
53 Incorrect 2 ms 4948 KB Output isn't correct
54 Halted 0 ms 0 KB -

Subtask #5
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4992 KB Output is correct
2 Incorrect 2 ms 4948 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4992 KB Output is correct
2 Incorrect 2 ms 4948 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #7
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 74 ms 18060 KB Output is correct
3 Correct 78 ms 18164 KB Output is correct
4 Correct 83 ms 18124 KB Output is correct
5 Correct 73 ms 18124 KB Output is correct
6 Correct 73 ms 18020 KB Output is correct
7 Correct 78 ms 18048 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 2 ms 4948 KB Output is correct
10 Correct 76 ms 15928 KB Output is correct
11 Correct 77 ms 18096 KB Output is correct
12 Correct 77 ms 18048 KB Output is correct
13 Correct 82 ms 18036 KB Output is correct
14 Correct 77 ms 18084 KB Output is correct
15 Correct 77 ms 18196 KB Output is correct
16 Correct 81 ms 17456 KB Output is correct
17 Correct 80 ms 17708 KB Output is correct
18 Correct 2 ms 4948 KB Output is correct
19 Correct 137 ms 15144 KB Output is correct
20 Correct 131 ms 14724 KB Output is correct
21 Correct 96 ms 12168 KB Output is correct
22 Correct 103 ms 12544 KB Output is correct
23 Correct 96 ms 13260 KB Output is correct
24 Correct 101 ms 13280 KB Output is correct
25 Correct 95 ms 13152 KB Output is correct
26 Correct 94 ms 13028 KB Output is correct
27 Correct 95 ms 13128 KB Output is correct
28 Correct 142 ms 17196 KB Output is correct
29 Correct 151 ms 14820 KB Output is correct
30 Correct 98 ms 13864 KB Output is correct
31 Correct 90 ms 13052 KB Output is correct
32 Correct 97 ms 12792 KB Output is correct
33 Correct 126 ms 12308 KB Output is correct
34 Correct 134 ms 12432 KB Output is correct
35 Correct 108 ms 13276 KB Output is correct
36 Correct 92 ms 13076 KB Output is correct
37 Correct 94 ms 13264 KB Output is correct
38 Correct 114 ms 14520 KB Output is correct
39 Correct 116 ms 15644 KB Output is correct
40 Correct 103 ms 13668 KB Output is correct
41 Correct 129 ms 18340 KB Output is correct
42 Correct 134 ms 17872 KB Output is correct
43 Correct 93 ms 12292 KB Output is correct
44 Correct 118 ms 12556 KB Output is correct
45 Correct 110 ms 12488 KB Output is correct
46 Correct 108 ms 12360 KB Output is correct
47 Correct 120 ms 12640 KB Output is correct
48 Correct 115 ms 12456 KB Output is correct
49 Correct 117 ms 12420 KB Output is correct
50 Correct 109 ms 12484 KB Output is correct
51 Correct 117 ms 12604 KB Output is correct
52 Correct 112 ms 12396 KB Output is correct
53 Incorrect 2 ms 4948 KB Output isn't correct
54 Halted 0 ms 0 KB -