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Submission #1038458

# Submission time Handle Problem Language Result Execution time Memory
1038458 2024-07-29T20:05:58 Z vjudge1 Power Plant (JOI20_power) C++17
100 / 100
 83 ms 27168 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
typedef long double ld;
#define pb push_back
#define pf push_front
#define fi first
#define se second
const ll mod = 1e9+7, mxn = 2e5+7;
ll n, dp[mxn], ans = 0;
vector<vector<ll>> g(mxn);
bool c[mxn];
void dfs(ll u, ll v)
{
    for (ll i : g[u]) if (i != v)
    {
        dfs(i,u);
        dp[u] += dp[i];
        ans = max(ans, dp[i]+c[u]);
    }
    dp[u] = max(dp[u]-c[u], (ll)c[u]);
    ans = max(ans, dp[u]);
}
signed main()
{
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    // freopen("test.inp","r",stdin); freopen("test.out","w",stdout); freopen("test.err","w",stderr);
    cin >> n;
    for (ll i = 1; i < n; i++)
    {
        ll a, b; cin >> a >> b;
        g[a].pb(b); g[b].pb(a);
    }
    string s; cin >> s;
    for (ll i = 1; i <= n; i++) c[i] = (s[i-1]-'0');
    dfs(1,1); cout << ans;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4952 KB Output is correct
2 Correct 2 ms 4956 KB Output is correct
3 Correct 1 ms 4956 KB Output is correct
4 Correct 1 ms 4956 KB Output is correct
5 Correct 1 ms 4956 KB Output is correct
6 Correct 2 ms 4956 KB Output is correct
7 Correct 1 ms 5100 KB Output is correct
8 Correct 2 ms 4956 KB Output is correct
9 Correct 2 ms 4956 KB Output is correct
10 Correct 2 ms 4956 KB Output is correct
11 Correct 1 ms 4956 KB Output is correct
12 Correct 2 ms 4956 KB Output is correct
13 Correct 2 ms 4956 KB Output is correct
14 Correct 1 ms 4956 KB Output is correct
15 Correct 2 ms 5000 KB Output is correct
16 Correct 2 ms 4952 KB Output is correct
17 Correct 2 ms 4952 KB Output is correct
18 Correct 2 ms 4956 KB Output is correct
19 Correct 1 ms 4952 KB Output is correct
20 Correct 2 ms 4952 KB Output is correct
21 Correct 1 ms 5008 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4952 KB Output is correct
2 Correct 2 ms 4956 KB Output is correct
3 Correct 1 ms 4956 KB Output is correct
4 Correct 1 ms 4956 KB Output is correct
5 Correct 1 ms 4956 KB Output is correct
6 Correct 2 ms 4956 KB Output is correct
7 Correct 1 ms 5100 KB Output is correct
8 Correct 2 ms 4956 KB Output is correct
9 Correct 2 ms 4956 KB Output is correct
10 Correct 2 ms 4956 KB Output is correct
11 Correct 1 ms 4956 KB Output is correct
12 Correct 2 ms 4956 KB Output is correct
13 Correct 2 ms 4956 KB Output is correct
14 Correct 1 ms 4956 KB Output is correct
15 Correct 2 ms 5000 KB Output is correct
16 Correct 2 ms 4952 KB Output is correct
17 Correct 2 ms 4952 KB Output is correct
18 Correct 2 ms 4956 KB Output is correct
19 Correct 1 ms 4952 KB Output is correct
20 Correct 2 ms 4952 KB Output is correct
21 Correct 1 ms 5008 KB Output is correct
22 Correct 2 ms 5212 KB Output is correct
23 Correct 2 ms 5212 KB Output is correct
24 Correct 2 ms 5208 KB Output is correct
25 Correct 2 ms 5212 KB Output is correct
26 Correct 2 ms 5212 KB Output is correct
27 Correct 2 ms 5212 KB Output is correct
28 Correct 2 ms 5192 KB Output is correct
29 Correct 2 ms 5212 KB Output is correct
30 Correct 2 ms 5212 KB Output is correct
31 Correct 2 ms 5212 KB Output is correct
32 Correct 2 ms 5212 KB Output is correct
33 Correct 1 ms 5212 KB Output is correct
34 Correct 1 ms 5212 KB Output is correct
35 Correct 1 ms 5272 KB Output is correct
36 Correct 2 ms 5192 KB Output is correct
37 Correct 2 ms 5208 KB Output is correct
38 Correct 2 ms 5212 KB Output is correct
39 Correct 2 ms 5088 KB Output is correct
40 Correct 2 ms 5212 KB Output is correct
41 Correct 2 ms 5212 KB Output is correct
42 Correct 2 ms 5212 KB Output is correct
43 Correct 2 ms 5212 KB Output is correct
44 Correct 2 ms 5212 KB Output is correct
45 Correct 2 ms 5212 KB Output is correct
46 Correct 2 ms 5464 KB Output is correct
47 Correct 2 ms 5212 KB Output is correct
48 Correct 2 ms 5196 KB Output is correct
49 Correct 2 ms 5212 KB Output is correct
50 Correct 2 ms 5212 KB Output is correct
51 Correct 2 ms 5212 KB Output is correct
52 Correct 2 ms 5272 KB Output is correct
53 Correct 1 ms 5208 KB Output is correct
54 Correct 3 ms 5212 KB Output is correct
55 Correct 2 ms 5212 KB Output is correct
56 Correct 2 ms 5212 KB Output is correct
57 Correct 2 ms 5212 KB Output is correct
58 Correct 2 ms 5540 KB Output is correct
59 Correct 2 ms 5212 KB Output is correct
60 Correct 2 ms 5212 KB Output is correct
61 Correct 2 ms 5208 KB Output is correct
62 Correct 2 ms 5232 KB Output is correct
63 Correct 3 ms 5212 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4952 KB Output is correct
2 Correct 2 ms 4956 KB Output is correct
3 Correct 1 ms 4956 KB Output is correct
4 Correct 1 ms 4956 KB Output is correct
5 Correct 1 ms 4956 KB Output is correct
6 Correct 2 ms 4956 KB Output is correct
7 Correct 1 ms 5100 KB Output is correct
8 Correct 2 ms 4956 KB Output is correct
9 Correct 2 ms 4956 KB Output is correct
10 Correct 2 ms 4956 KB Output is correct
11 Correct 1 ms 4956 KB Output is correct
12 Correct 2 ms 4956 KB Output is correct
13 Correct 2 ms 4956 KB Output is correct
14 Correct 1 ms 4956 KB Output is correct
15 Correct 2 ms 5000 KB Output is correct
16 Correct 2 ms 4952 KB Output is correct
17 Correct 2 ms 4952 KB Output is correct
18 Correct 2 ms 4956 KB Output is correct
19 Correct 1 ms 4952 KB Output is correct
20 Correct 2 ms 4952 KB Output is correct
21 Correct 1 ms 5008 KB Output is correct
22 Correct 2 ms 5212 KB Output is correct
23 Correct 2 ms 5212 KB Output is correct
24 Correct 2 ms 5208 KB Output is correct
25 Correct 2 ms 5212 KB Output is correct
26 Correct 2 ms 5212 KB Output is correct
27 Correct 2 ms 5212 KB Output is correct
28 Correct 2 ms 5192 KB Output is correct
29 Correct 2 ms 5212 KB Output is correct
30 Correct 2 ms 5212 KB Output is correct
31 Correct 2 ms 5212 KB Output is correct
32 Correct 2 ms 5212 KB Output is correct
33 Correct 1 ms 5212 KB Output is correct
34 Correct 1 ms 5212 KB Output is correct
35 Correct 1 ms 5272 KB Output is correct
36 Correct 2 ms 5192 KB Output is correct
37 Correct 2 ms 5208 KB Output is correct
38 Correct 2 ms 5212 KB Output is correct
39 Correct 2 ms 5088 KB Output is correct
40 Correct 2 ms 5212 KB Output is correct
41 Correct 2 ms 5212 KB Output is correct
42 Correct 2 ms 5212 KB Output is correct
43 Correct 2 ms 5212 KB Output is correct
44 Correct 2 ms 5212 KB Output is correct
45 Correct 2 ms 5212 KB Output is correct
46 Correct 2 ms 5464 KB Output is correct
47 Correct 2 ms 5212 KB Output is correct
48 Correct 2 ms 5196 KB Output is correct
49 Correct 2 ms 5212 KB Output is correct
50 Correct 2 ms 5212 KB Output is correct
51 Correct 2 ms 5212 KB Output is correct
52 Correct 2 ms 5272 KB Output is correct
53 Correct 1 ms 5208 KB Output is correct
54 Correct 3 ms 5212 KB Output is correct
55 Correct 2 ms 5212 KB Output is correct
56 Correct 2 ms 5212 KB Output is correct
57 Correct 2 ms 5212 KB Output is correct
58 Correct 2 ms 5540 KB Output is correct
59 Correct 2 ms 5212 KB Output is correct
60 Correct 2 ms 5212 KB Output is correct
61 Correct 2 ms 5208 KB Output is correct
62 Correct 2 ms 5232 KB Output is correct
63 Correct 3 ms 5212 KB Output is correct
64 Correct 65 ms 17048 KB Output is correct
65 Correct 58 ms 17108 KB Output is correct
66 Correct 58 ms 17280 KB Output is correct
67 Correct 58 ms 17276 KB Output is correct
68 Correct 55 ms 17280 KB Output is correct
69 Correct 52 ms 17040 KB Output is correct
70 Correct 52 ms 17056 KB Output is correct
71 Correct 55 ms 17052 KB Output is correct
72 Correct 56 ms 17244 KB Output is correct
73 Correct 81 ms 26188 KB Output is correct
74 Correct 61 ms 26324 KB Output is correct
75 Correct 57 ms 18316 KB Output is correct
76 Correct 55 ms 18328 KB Output is correct
77 Correct 57 ms 17036 KB Output is correct
78 Correct 81 ms 17236 KB Output is correct
79 Correct 64 ms 17048 KB Output is correct
80 Correct 59 ms 17236 KB Output is correct
81 Correct 48 ms 17096 KB Output is correct
82 Correct 54 ms 17104 KB Output is correct
83 Correct 62 ms 21144 KB Output is correct
84 Correct 59 ms 22940 KB Output is correct
85 Correct 71 ms 22680 KB Output is correct
86 Correct 56 ms 18320 KB Output is correct
87 Correct 61 ms 17804 KB Output is correct
88 Correct 57 ms 18028 KB Output is correct
89 Correct 57 ms 17976 KB Output is correct
90 Correct 64 ms 17884 KB Output is correct
91 Correct 57 ms 17940 KB Output is correct
92 Correct 62 ms 18308 KB Output is correct
93 Correct 51 ms 19920 KB Output is correct
94 Correct 54 ms 21332 KB Output is correct
95 Correct 49 ms 20160 KB Output is correct
96 Correct 83 ms 18704 KB Output is correct
97 Correct 68 ms 17700 KB Output is correct
98 Correct 52 ms 17340 KB Output is correct
99 Correct 54 ms 17300 KB Output is correct
100 Correct 53 ms 19580 KB Output is correct
101 Correct 57 ms 17940 KB Output is correct
102 Correct 55 ms 17516 KB Output is correct
103 Correct 58 ms 17584 KB Output is correct
104 Correct 38 ms 17844 KB Output is correct
105 Correct 76 ms 23696 KB Output is correct
106 Correct 39 ms 17856 KB Output is correct
107 Correct 39 ms 17912 KB Output is correct
108 Correct 60 ms 26772 KB Output is correct
109 Correct 38 ms 17856 KB Output is correct
110 Correct 65 ms 27168 KB Output is correct
111 Correct 51 ms 17056 KB Output is correct