oj.uz

Submission #782954

# Submission time Handle Problem Language Result Execution time Memory
782954 2023-07-14T12:30:34 Z Kahou Power Plant (JOI20_power) C++14
100 / 100
 112 ms 30068 KB 
/* In the name of God, aka Allah */
#include<bits/stdc++.h>
using namespace std;
#define F first
#define S second
#define endl '\n'
#define mk make_pair
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int N = 2e5 + 50;
int n, dp[N][2];
int mark[N];
vector<int> adj[N];

void dfs(int u, int p=0) {
        for (int v:adj[u]) {
                if (v == p) continue;
                dfs(v, u);
                dp[u][0] = max(dp[u][0], max(dp[v][0], dp[v][1]+mark[u]));
                dp[u][1] += dp[v][1];
        }
        dp[u][1] = max(dp[u][1]-mark[u], mark[u]);
        dp[u][0] = max(dp[u][0], dp[u][1]);
}
void solve() {
        cin >> n;
        for (int i = 1; i <= n-1; i++) {
                int u, v;
                cin >> u >> v;
                adj[u].push_back(v);
                adj[v].push_back(u);
        }
        for (int i = 1; i <= n; i++) {
                char c;
                cin >> c;
                mark[i] = c-'0';
        }
        dfs(1);
        cout << dp[1][0] << endl;
}
int main() {
        ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
        solve();
        return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 2 ms 5012 KB Output is correct
4 Correct 3 ms 5028 KB Output is correct
5 Correct 2 ms 5028 KB Output is correct
6 Correct 2 ms 5028 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 3 ms 5024 KB Output is correct
10 Correct 3 ms 4948 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 3 ms 5028 KB Output is correct
17 Correct 2 ms 5028 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 2 ms 4948 KB Output is correct
20 Correct 2 ms 4948 KB Output is correct
21 Correct 4 ms 5076 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 2 ms 5012 KB Output is correct
4 Correct 3 ms 5028 KB Output is correct
5 Correct 2 ms 5028 KB Output is correct
6 Correct 2 ms 5028 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 3 ms 5024 KB Output is correct
10 Correct 3 ms 4948 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 3 ms 5028 KB Output is correct
17 Correct 2 ms 5028 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 2 ms 4948 KB Output is correct
20 Correct 2 ms 4948 KB Output is correct
21 Correct 4 ms 5076 KB Output is correct
22 Correct 4 ms 5040 KB Output is correct
23 Correct 4 ms 5076 KB Output is correct
24 Correct 3 ms 5076 KB Output is correct
25 Correct 3 ms 5076 KB Output is correct
26 Correct 3 ms 5036 KB Output is correct
27 Correct 3 ms 5076 KB Output is correct
28 Correct 3 ms 5164 KB Output is correct
29 Correct 3 ms 5204 KB Output is correct
30 Correct 3 ms 5204 KB Output is correct
31 Correct 3 ms 5084 KB Output is correct
32 Correct 3 ms 5084 KB Output is correct
33 Correct 3 ms 5040 KB Output is correct
34 Correct 3 ms 5076 KB Output is correct
35 Correct 3 ms 5076 KB Output is correct
36 Correct 3 ms 5076 KB Output is correct
37 Correct 3 ms 5040 KB Output is correct
38 Correct 3 ms 5076 KB Output is correct
39 Correct 3 ms 5164 KB Output is correct
40 Correct 3 ms 5076 KB Output is correct
41 Correct 3 ms 5076 KB Output is correct
42 Correct 3 ms 5076 KB Output is correct
43 Correct 3 ms 5036 KB Output is correct
44 Correct 3 ms 5168 KB Output is correct
45 Correct 3 ms 5076 KB Output is correct
46 Correct 3 ms 5164 KB Output is correct
47 Correct 3 ms 5076 KB Output is correct
48 Correct 3 ms 5204 KB Output is correct
49 Correct 3 ms 5204 KB Output is correct
50 Correct 3 ms 5172 KB Output is correct
51 Correct 3 ms 5076 KB Output is correct
52 Correct 3 ms 5076 KB Output is correct
53 Correct 3 ms 5076 KB Output is correct
54 Correct 3 ms 5076 KB Output is correct
55 Correct 3 ms 5076 KB Output is correct
56 Correct 3 ms 5076 KB Output is correct
57 Correct 3 ms 5164 KB Output is correct
58 Correct 3 ms 5076 KB Output is correct
59 Correct 3 ms 5076 KB Output is correct
60 Correct 3 ms 5168 KB Output is correct
61 Correct 4 ms 5036 KB Output is correct
62 Correct 3 ms 5204 KB Output is correct
63 Correct 3 ms 5076 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 2 ms 5012 KB Output is correct
4 Correct 3 ms 5028 KB Output is correct
5 Correct 2 ms 5028 KB Output is correct
6 Correct 2 ms 5028 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 3 ms 5024 KB Output is correct
10 Correct 3 ms 4948 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 3 ms 5028 KB Output is correct
17 Correct 2 ms 5028 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 2 ms 4948 KB Output is correct
20 Correct 2 ms 4948 KB Output is correct
21 Correct 4 ms 5076 KB Output is correct
22 Correct 4 ms 5040 KB Output is correct
23 Correct 4 ms 5076 KB Output is correct
24 Correct 3 ms 5076 KB Output is correct
25 Correct 3 ms 5076 KB Output is correct
26 Correct 3 ms 5036 KB Output is correct
27 Correct 3 ms 5076 KB Output is correct
28 Correct 3 ms 5164 KB Output is correct
29 Correct 3 ms 5204 KB Output is correct
30 Correct 3 ms 5204 KB Output is correct
31 Correct 3 ms 5084 KB Output is correct
32 Correct 3 ms 5084 KB Output is correct
33 Correct 3 ms 5040 KB Output is correct
34 Correct 3 ms 5076 KB Output is correct
35 Correct 3 ms 5076 KB Output is correct
36 Correct 3 ms 5076 KB Output is correct
37 Correct 3 ms 5040 KB Output is correct
38 Correct 3 ms 5076 KB Output is correct
39 Correct 3 ms 5164 KB Output is correct
40 Correct 3 ms 5076 KB Output is correct
41 Correct 3 ms 5076 KB Output is correct
42 Correct 3 ms 5076 KB Output is correct
43 Correct 3 ms 5036 KB Output is correct
44 Correct 3 ms 5168 KB Output is correct
45 Correct 3 ms 5076 KB Output is correct
46 Correct 3 ms 5164 KB Output is correct
47 Correct 3 ms 5076 KB Output is correct
48 Correct 3 ms 5204 KB Output is correct
49 Correct 3 ms 5204 KB Output is correct
50 Correct 3 ms 5172 KB Output is correct
51 Correct 3 ms 5076 KB Output is correct
52 Correct 3 ms 5076 KB Output is correct
53 Correct 3 ms 5076 KB Output is correct
54 Correct 3 ms 5076 KB Output is correct
55 Correct 3 ms 5076 KB Output is correct
56 Correct 3 ms 5076 KB Output is correct
57 Correct 3 ms 5164 KB Output is correct
58 Correct 3 ms 5076 KB Output is correct
59 Correct 3 ms 5076 KB Output is correct
60 Correct 3 ms 5168 KB Output is correct
61 Correct 4 ms 5036 KB Output is correct
62 Correct 3 ms 5204 KB Output is correct
63 Correct 3 ms 5076 KB Output is correct
64 Correct 97 ms 16424 KB Output is correct
65 Correct 77 ms 16344 KB Output is correct
66 Correct 69 ms 16380 KB Output is correct
67 Correct 69 ms 16348 KB Output is correct
68 Correct 92 ms 16332 KB Output is correct
69 Correct 94 ms 16400 KB Output is correct
70 Correct 67 ms 16336 KB Output is correct
71 Correct 69 ms 16320 KB Output is correct
72 Correct 97 ms 16340 KB Output is correct
73 Correct 107 ms 28984 KB Output is correct
74 Correct 93 ms 28892 KB Output is correct
75 Correct 66 ms 16204 KB Output is correct
76 Correct 65 ms 16264 KB Output is correct
77 Correct 94 ms 16232 KB Output is correct
78 Correct 89 ms 16308 KB Output is correct
79 Correct 71 ms 16204 KB Output is correct
80 Correct 112 ms 16276 KB Output is correct
81 Correct 60 ms 16572 KB Output is correct
82 Correct 78 ms 16508 KB Output is correct
83 Correct 84 ms 21512 KB Output is correct
84 Correct 82 ms 23672 KB Output is correct
85 Correct 82 ms 23244 KB Output is correct
86 Correct 76 ms 17692 KB Output is correct
87 Correct 69 ms 17084 KB Output is correct
88 Correct 70 ms 17648 KB Output is correct
89 Correct 86 ms 17660 KB Output is correct
90 Correct 69 ms 17380 KB Output is correct
91 Correct 78 ms 17744 KB Output is correct
92 Correct 86 ms 18004 KB Output is correct
93 Correct 78 ms 20284 KB Output is correct
94 Correct 68 ms 22040 KB Output is correct
95 Correct 66 ms 20752 KB Output is correct
96 Correct 82 ms 19148 KB Output is correct
97 Correct 73 ms 17456 KB Output is correct
98 Correct 64 ms 16976 KB Output is correct
99 Correct 95 ms 16716 KB Output is correct
100 Correct 81 ms 19956 KB Output is correct
101 Correct 69 ms 17924 KB Output is correct
102 Correct 78 ms 17200 KB Output is correct
103 Correct 100 ms 17008 KB Output is correct
104 Correct 59 ms 17108 KB Output is correct
105 Correct 83 ms 25772 KB Output is correct
106 Correct 46 ms 17032 KB Output is correct
107 Correct 46 ms 17020 KB Output is correct
108 Correct 84 ms 29732 KB Output is correct
109 Correct 49 ms 17140 KB Output is correct
110 Correct 85 ms 30068 KB Output is correct
111 Correct 79 ms 16208 KB Output is correct