oj.uz

Submission #992599

# Submission time Handle Problem Language Result Execution time Memory
992599 2024-06-04T18:49:17 Z vysniak_grossmeister Power Plant (JOI20_power) C++17
100 / 100
 68 ms 35728 KB 
#include<bits/stdc++.h>
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("avx,avx2,tune=native")
using namespace std;

const int N = 1e5 * 5ll;

typedef long long ll;
string s;
vector<ll>g[N];

ll ans = 0ll;

ll dp[N];

void dfs(ll v, ll p){

    if(s[v - 1] == '1'){

        for(auto to : g[v]){


            if(to != p){

                dfs(to, v);

                dp[v] = dp[v] + dp[to];

                // just take subtree of child so ->>...

                ans = max(ans, dp[to] + 1ll);


            }




        }

        if(dp[v] >= 2ll){

            dp[v] -= 1ll;

        }
        else{

            dp[v] = max(dp[v], 1ll);

        }

        // because v will break;

    }
    else{

        for(auto to : g[v]){

            if(to != p){

                dfs(to, v);

                dp[v] += dp[to];

                // just take subtree of child so ->>...

                ans = max(ans, dp[to] + 0ll);

            }

        }


    }

    ans = max(ans, dp[v]);

}



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

ll n;
cin >> n;

for(ll i = 1; i <= n - 1; ++i){
    ll a, b;
    cin >> a >> b;
    g[a].push_back(b);
    g[b].push_back(a);
}


cin >> s;

dfs(1ll, -1ll);

cout << ans << endl;

return 0;

}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 13660 KB Output is correct
2 Correct 2 ms 13660 KB Output is correct
3 Correct 3 ms 13660 KB Output is correct
4 Correct 3 ms 13724 KB Output is correct
5 Correct 4 ms 13744 KB Output is correct
6 Correct 3 ms 13744 KB Output is correct
7 Correct 2 ms 13656 KB Output is correct
8 Correct 2 ms 13764 KB Output is correct
9 Correct 2 ms 13660 KB Output is correct
10 Correct 2 ms 13660 KB Output is correct
11 Correct 4 ms 13660 KB Output is correct
12 Correct 3 ms 13656 KB Output is correct
13 Correct 3 ms 13656 KB Output is correct
14 Correct 2 ms 13660 KB Output is correct
15 Correct 2 ms 13660 KB Output is correct
16 Correct 2 ms 13660 KB Output is correct
17 Correct 2 ms 13660 KB Output is correct
18 Correct 3 ms 13660 KB Output is correct
19 Correct 2 ms 13660 KB Output is correct
20 Correct 2 ms 13660 KB Output is correct
21 Correct 2 ms 13660 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 13660 KB Output is correct
2 Correct 2 ms 13660 KB Output is correct
3 Correct 3 ms 13660 KB Output is correct
4 Correct 3 ms 13724 KB Output is correct
5 Correct 4 ms 13744 KB Output is correct
6 Correct 3 ms 13744 KB Output is correct
7 Correct 2 ms 13656 KB Output is correct
8 Correct 2 ms 13764 KB Output is correct
9 Correct 2 ms 13660 KB Output is correct
10 Correct 2 ms 13660 KB Output is correct
11 Correct 4 ms 13660 KB Output is correct
12 Correct 3 ms 13656 KB Output is correct
13 Correct 3 ms 13656 KB Output is correct
14 Correct 2 ms 13660 KB Output is correct
15 Correct 2 ms 13660 KB Output is correct
16 Correct 2 ms 13660 KB Output is correct
17 Correct 2 ms 13660 KB Output is correct
18 Correct 3 ms 13660 KB Output is correct
19 Correct 2 ms 13660 KB Output is correct
20 Correct 2 ms 13660 KB Output is correct
21 Correct 2 ms 13660 KB Output is correct
22 Correct 3 ms 13916 KB Output is correct
23 Correct 3 ms 13916 KB Output is correct
24 Correct 3 ms 13916 KB Output is correct
25 Correct 3 ms 13916 KB Output is correct
26 Correct 2 ms 13916 KB Output is correct
27 Correct 3 ms 13916 KB Output is correct
28 Correct 3 ms 13916 KB Output is correct
29 Correct 3 ms 13916 KB Output is correct
30 Correct 3 ms 13916 KB Output is correct
31 Correct 3 ms 13916 KB Output is correct
32 Correct 4 ms 13956 KB Output is correct
33 Correct 3 ms 13916 KB Output is correct
34 Correct 3 ms 13916 KB Output is correct
35 Correct 3 ms 13756 KB Output is correct
36 Correct 3 ms 13916 KB Output is correct
37 Correct 3 ms 13916 KB Output is correct
38 Correct 3 ms 13916 KB Output is correct
39 Correct 3 ms 13916 KB Output is correct
40 Correct 3 ms 13888 KB Output is correct
41 Correct 3 ms 13916 KB Output is correct
42 Correct 3 ms 13916 KB Output is correct
43 Correct 3 ms 14168 KB Output is correct
44 Correct 2 ms 13916 KB Output is correct
45 Correct 2 ms 13916 KB Output is correct
46 Correct 3 ms 13916 KB Output is correct
47 Correct 3 ms 13916 KB Output is correct
48 Correct 2 ms 13916 KB Output is correct
49 Correct 3 ms 13916 KB Output is correct
50 Correct 3 ms 13916 KB Output is correct
51 Correct 3 ms 13916 KB Output is correct
52 Correct 3 ms 13916 KB Output is correct
53 Correct 2 ms 13916 KB Output is correct
54 Correct 3 ms 13916 KB Output is correct
55 Correct 3 ms 13916 KB Output is correct
56 Correct 3 ms 13916 KB Output is correct
57 Correct 3 ms 13916 KB Output is correct
58 Correct 4 ms 13916 KB Output is correct
59 Correct 2 ms 13916 KB Output is correct
60 Correct 3 ms 13916 KB Output is correct
61 Correct 4 ms 13924 KB Output is correct
62 Correct 3 ms 13916 KB Output is correct
63 Correct 3 ms 13916 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 13660 KB Output is correct
2 Correct 2 ms 13660 KB Output is correct
3 Correct 3 ms 13660 KB Output is correct
4 Correct 3 ms 13724 KB Output is correct
5 Correct 4 ms 13744 KB Output is correct
6 Correct 3 ms 13744 KB Output is correct
7 Correct 2 ms 13656 KB Output is correct
8 Correct 2 ms 13764 KB Output is correct
9 Correct 2 ms 13660 KB Output is correct
10 Correct 2 ms 13660 KB Output is correct
11 Correct 4 ms 13660 KB Output is correct
12 Correct 3 ms 13656 KB Output is correct
13 Correct 3 ms 13656 KB Output is correct
14 Correct 2 ms 13660 KB Output is correct
15 Correct 2 ms 13660 KB Output is correct
16 Correct 2 ms 13660 KB Output is correct
17 Correct 2 ms 13660 KB Output is correct
18 Correct 3 ms 13660 KB Output is correct
19 Correct 2 ms 13660 KB Output is correct
20 Correct 2 ms 13660 KB Output is correct
21 Correct 2 ms 13660 KB Output is correct
22 Correct 3 ms 13916 KB Output is correct
23 Correct 3 ms 13916 KB Output is correct
24 Correct 3 ms 13916 KB Output is correct
25 Correct 3 ms 13916 KB Output is correct
26 Correct 2 ms 13916 KB Output is correct
27 Correct 3 ms 13916 KB Output is correct
28 Correct 3 ms 13916 KB Output is correct
29 Correct 3 ms 13916 KB Output is correct
30 Correct 3 ms 13916 KB Output is correct
31 Correct 3 ms 13916 KB Output is correct
32 Correct 4 ms 13956 KB Output is correct
33 Correct 3 ms 13916 KB Output is correct
34 Correct 3 ms 13916 KB Output is correct
35 Correct 3 ms 13756 KB Output is correct
36 Correct 3 ms 13916 KB Output is correct
37 Correct 3 ms 13916 KB Output is correct
38 Correct 3 ms 13916 KB Output is correct
39 Correct 3 ms 13916 KB Output is correct
40 Correct 3 ms 13888 KB Output is correct
41 Correct 3 ms 13916 KB Output is correct
42 Correct 3 ms 13916 KB Output is correct
43 Correct 3 ms 14168 KB Output is correct
44 Correct 2 ms 13916 KB Output is correct
45 Correct 2 ms 13916 KB Output is correct
46 Correct 3 ms 13916 KB Output is correct
47 Correct 3 ms 13916 KB Output is correct
48 Correct 2 ms 13916 KB Output is correct
49 Correct 3 ms 13916 KB Output is correct
50 Correct 3 ms 13916 KB Output is correct
51 Correct 3 ms 13916 KB Output is correct
52 Correct 3 ms 13916 KB Output is correct
53 Correct 2 ms 13916 KB Output is correct
54 Correct 3 ms 13916 KB Output is correct
55 Correct 3 ms 13916 KB Output is correct
56 Correct 3 ms 13916 KB Output is correct
57 Correct 3 ms 13916 KB Output is correct
58 Correct 4 ms 13916 KB Output is correct
59 Correct 2 ms 13916 KB Output is correct
60 Correct 3 ms 13916 KB Output is correct
61 Correct 4 ms 13924 KB Output is correct
62 Correct 3 ms 13916 KB Output is correct
63 Correct 3 ms 13916 KB Output is correct
64 Correct 55 ms 23700 KB Output is correct
65 Correct 51 ms 23700 KB Output is correct
66 Correct 50 ms 22912 KB Output is correct
67 Correct 52 ms 22924 KB Output is correct
68 Correct 57 ms 23092 KB Output is correct
69 Correct 51 ms 22932 KB Output is correct
70 Correct 52 ms 22956 KB Output is correct
71 Correct 57 ms 23020 KB Output is correct
72 Correct 55 ms 22928 KB Output is correct
73 Correct 60 ms 35216 KB Output is correct
74 Correct 62 ms 34452 KB Output is correct
75 Correct 62 ms 24204 KB Output is correct
76 Correct 57 ms 24216 KB Output is correct
77 Correct 64 ms 22948 KB Output is correct
78 Correct 59 ms 23096 KB Output is correct
79 Correct 52 ms 23584 KB Output is correct
80 Correct 53 ms 22924 KB Output is correct
81 Correct 52 ms 22980 KB Output is correct
82 Correct 55 ms 23700 KB Output is correct
83 Correct 58 ms 28048 KB Output is correct
84 Correct 60 ms 30876 KB Output is correct
85 Correct 66 ms 29944 KB Output is correct
86 Correct 60 ms 24212 KB Output is correct
87 Correct 60 ms 23824 KB Output is correct
88 Correct 54 ms 23756 KB Output is correct
89 Correct 56 ms 23768 KB Output is correct
90 Correct 57 ms 23796 KB Output is correct
91 Correct 58 ms 23972 KB Output is correct
92 Correct 58 ms 24192 KB Output is correct
93 Correct 63 ms 26572 KB Output is correct
94 Correct 56 ms 28364 KB Output is correct
95 Correct 59 ms 27844 KB Output is correct
96 Correct 51 ms 25104 KB Output is correct
97 Correct 53 ms 23616 KB Output is correct
98 Correct 51 ms 23236 KB Output is correct
99 Correct 56 ms 23184 KB Output is correct
100 Correct 68 ms 26748 KB Output is correct
101 Correct 55 ms 23824 KB Output is correct
102 Correct 53 ms 23396 KB Output is correct
103 Correct 51 ms 23216 KB Output is correct
104 Correct 47 ms 21948 KB Output is correct
105 Correct 66 ms 31380 KB Output is correct
106 Correct 44 ms 23748 KB Output is correct
107 Correct 54 ms 23684 KB Output is correct
108 Correct 67 ms 35428 KB Output is correct
109 Correct 48 ms 21972 KB Output is correct
110 Correct 62 ms 35728 KB Output is correct
111 Correct 47 ms 22944 KB Output is correct