oj.uz

답안 #623221

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
623221 2022-08-05T10:42:51 Z K4YAN Power Plant (JOI20_power) C++17
100 / 100
 174 ms 31376 KB 
//Be Name Khoda

#include<bits/stdc++.h>
//pragma shayad niaz she

using namespace std;

typedef long long ll;
typedef long double ld;
#define pii pair<int, int>
#define pll pair<ll, ll>
#define all(x) x.begin(), x.end()

const ll mxn = 2e5 + 16;
ll n, m, t, q, w, ans;
ll dp[mxn], subt[mxn];
vector<ll> adj[mxn];
bool mark[mxn];
string s;

void input() {

    cin >> n;
    for(int i = 1; i < n; i++) {
        cin >> q >> w;
        adj[q].push_back(w);
        adj[w].push_back(q);
    } cin >> s;
    s = '0' + s;

}

void DFS(int v) {
    mark[v] = 1;
    ll cnt = 0, sum = 0, idk = 0;
    if(s[v] == '1') dp[v] = 1, subt[v] = 1;
    for(auto u : adj[v]) {
        if(!mark[u]) {
            DFS(u);
            if(subt[u] > 0) {
                subt[v] += subt[u];
                cnt++, sum += dp[u];
                idk = max(idk, dp[u]);
            }
        }
    }
    if(s[v] == '1') {
        ans = max(ans, idk + 1);
        sum--;
    }
    dp[v] = max(dp[v], sum); 
    return;
}

void solve() {

    ll cnt = 0;
    for(auto u : s) {
        if(u == '1') cnt++;
    }
    DFS(1);
    for(int i = 1; i <= n; i++) {
        ans = max(ans, dp[i]);
    }
    cout << ans << "\n";
    return;

}

int main() {

    ios::sync_with_stdio(false); cin.tie(NULL);

    input(), solve();

    return 0;

}

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 5016 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 4948 KB Output is correct
11 Correct 3 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 5036 KB Output is correct
17 Correct 3 ms 5028 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 3 ms 5028 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 3 ms 5036 KB Output is correct

Subtask #2
41.0 / 41.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 5016 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 4948 KB Output is correct
11 Correct 3 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 5036 KB Output is correct
17 Correct 3 ms 5028 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 3 ms 5028 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 3 ms 5036 KB Output is correct
22 Correct 4 ms 5076 KB Output is correct
23 Correct 5 ms 5096 KB Output is correct
24 Correct 3 ms 5096 KB Output is correct
25 Correct 4 ms 5076 KB Output is correct
26 Correct 4 ms 5076 KB Output is correct
27 Correct 3 ms 5044 KB Output is correct
28 Correct 5 ms 5076 KB Output is correct
29 Correct 5 ms 5204 KB Output is correct
30 Correct 3 ms 5204 KB Output is correct
31 Correct 7 ms 5104 KB Output is correct
32 Correct 4 ms 5172 KB Output is correct
33 Correct 3 ms 5076 KB Output is correct
34 Correct 4 ms 5076 KB Output is correct
35 Correct 4 ms 5076 KB Output is correct
36 Correct 3 ms 5092 KB Output is correct
37 Correct 4 ms 5076 KB Output is correct
38 Correct 4 ms 5076 KB Output is correct
39 Correct 3 ms 5172 KB Output is correct
40 Correct 3 ms 5076 KB Output is correct
41 Correct 3 ms 5204 KB Output is correct
42 Correct 4 ms 5076 KB Output is correct
43 Correct 4 ms 5100 KB Output is correct
44 Correct 4 ms 5076 KB Output is correct
45 Correct 3 ms 5076 KB Output is correct
46 Correct 3 ms 5076 KB Output is correct
47 Correct 4 ms 5076 KB Output is correct
48 Correct 3 ms 5204 KB Output is correct
49 Correct 3 ms 5172 KB Output is correct
50 Correct 3 ms 5172 KB Output is correct
51 Correct 3 ms 5204 KB Output is correct
52 Correct 3 ms 5092 KB Output is correct
53 Correct 4 ms 5076 KB Output is correct
54 Correct 4 ms 5076 KB Output is correct
55 Correct 4 ms 5076 KB Output is correct
56 Correct 3 ms 5076 KB Output is correct
57 Correct 4 ms 5204 KB Output is correct
58 Correct 4 ms 5176 KB Output is correct
59 Correct 5 ms 5080 KB Output is correct
60 Correct 5 ms 5204 KB Output is correct
61 Correct 3 ms 5092 KB Output is correct
62 Correct 4 ms 5204 KB Output is correct
63 Correct 3 ms 5076 KB Output is correct

Subtask #3
53.0 / 53.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 5016 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 4948 KB Output is correct
11 Correct 3 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 5036 KB Output is correct
17 Correct 3 ms 5028 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 3 ms 5028 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 3 ms 5036 KB Output is correct
22 Correct 4 ms 5076 KB Output is correct
23 Correct 5 ms 5096 KB Output is correct
24 Correct 3 ms 5096 KB Output is correct
25 Correct 4 ms 5076 KB Output is correct
26 Correct 4 ms 5076 KB Output is correct
27 Correct 3 ms 5044 KB Output is correct
28 Correct 5 ms 5076 KB Output is correct
29 Correct 5 ms 5204 KB Output is correct
30 Correct 3 ms 5204 KB Output is correct
31 Correct 7 ms 5104 KB Output is correct
32 Correct 4 ms 5172 KB Output is correct
33 Correct 3 ms 5076 KB Output is correct
34 Correct 4 ms 5076 KB Output is correct
35 Correct 4 ms 5076 KB Output is correct
36 Correct 3 ms 5092 KB Output is correct
37 Correct 4 ms 5076 KB Output is correct
38 Correct 4 ms 5076 KB Output is correct
39 Correct 3 ms 5172 KB Output is correct
40 Correct 3 ms 5076 KB Output is correct
41 Correct 3 ms 5204 KB Output is correct
42 Correct 4 ms 5076 KB Output is correct
43 Correct 4 ms 5100 KB Output is correct
44 Correct 4 ms 5076 KB Output is correct
45 Correct 3 ms 5076 KB Output is correct
46 Correct 3 ms 5076 KB Output is correct
47 Correct 4 ms 5076 KB Output is correct
48 Correct 3 ms 5204 KB Output is correct
49 Correct 3 ms 5172 KB Output is correct
50 Correct 3 ms 5172 KB Output is correct
51 Correct 3 ms 5204 KB Output is correct
52 Correct 3 ms 5092 KB Output is correct
53 Correct 4 ms 5076 KB Output is correct
54 Correct 4 ms 5076 KB Output is correct
55 Correct 4 ms 5076 KB Output is correct
56 Correct 3 ms 5076 KB Output is correct
57 Correct 4 ms 5204 KB Output is correct
58 Correct 4 ms 5176 KB Output is correct
59 Correct 5 ms 5080 KB Output is correct
60 Correct 5 ms 5204 KB Output is correct
61 Correct 3 ms 5092 KB Output is correct
62 Correct 4 ms 5204 KB Output is correct
63 Correct 3 ms 5076 KB Output is correct
64 Correct 148 ms 18652 KB Output is correct
65 Correct 133 ms 18656 KB Output is correct
66 Correct 129 ms 18620 KB Output is correct
67 Correct 119 ms 18660 KB Output is correct
68 Correct 124 ms 18608 KB Output is correct
69 Correct 132 ms 18640 KB Output is correct
70 Correct 138 ms 18672 KB Output is correct
71 Correct 140 ms 18660 KB Output is correct
72 Correct 123 ms 17736 KB Output is correct
73 Correct 162 ms 30332 KB Output is correct
74 Correct 147 ms 30280 KB Output is correct
75 Correct 148 ms 19928 KB Output is correct
76 Correct 158 ms 19948 KB Output is correct
77 Correct 140 ms 18744 KB Output is correct
78 Correct 144 ms 18628 KB Output is correct
79 Correct 120 ms 18636 KB Output is correct
80 Correct 131 ms 18668 KB Output is correct
81 Correct 114 ms 18684 KB Output is correct
82 Correct 153 ms 18504 KB Output is correct
83 Correct 134 ms 23704 KB Output is correct
84 Correct 166 ms 25940 KB Output is correct
85 Correct 174 ms 25580 KB Output is correct
86 Correct 131 ms 20040 KB Output is correct
87 Correct 138 ms 19396 KB Output is correct
88 Correct 160 ms 19516 KB Output is correct
89 Correct 133 ms 19664 KB Output is correct
90 Correct 112 ms 19312 KB Output is correct
91 Correct 133 ms 19544 KB Output is correct
92 Correct 121 ms 19908 KB Output is correct
93 Correct 129 ms 22172 KB Output is correct
94 Correct 120 ms 23752 KB Output is correct
95 Correct 120 ms 22372 KB Output is correct
96 Correct 157 ms 20664 KB Output is correct
97 Correct 132 ms 19224 KB Output is correct
98 Correct 125 ms 18804 KB Output is correct
99 Correct 119 ms 18736 KB Output is correct
100 Correct 116 ms 21744 KB Output is correct
101 Correct 126 ms 19568 KB Output is correct
102 Correct 141 ms 18972 KB Output is correct
103 Correct 133 ms 18984 KB Output is correct
104 Correct 81 ms 17852 KB Output is correct
105 Correct 143 ms 27112 KB Output is correct
106 Correct 74 ms 19188 KB Output is correct
107 Correct 80 ms 19192 KB Output is correct
108 Correct 140 ms 31060 KB Output is correct
109 Correct 66 ms 17856 KB Output is correct
110 Correct 135 ms 31376 KB Output is correct
111 Correct 114 ms 18620 KB Output is correct