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Submission #311828

# Submission time Handle Problem Language Result Execution time Memory
311828 2020-10-11T20:40:18 Z Temmie Power Plant (JOI20_power) C++17
100 / 100
 250 ms 28984 KB 
#include <bits/stdc++.h>
int n, ans = 0;
std::vector <std::vector <int>> g;
std::vector <int> mem;
std::string s;
void dfs1(int node, int par = -1) {
for (int x : g[node]) if (x != par) dfs1(x, node);
int r = s[node] == '1';
mem[node] = std::max(mem[node], r);
int sm = 0;
for (int x : g[node]) if (x != par) sm += mem[x];
mem[node] = std::max(mem[node], sm - r);
}
void dfs2(int node, int par = -1) {
ans = std::max(ans, mem[node]);
for (int x : g[node]) if (x != par) dfs2(x, node);
int r = s[node] == '1';
if (!r) {
int sm = 0;
for (int x : g[node]) if (x != par) sm += mem[x];
ans = std::max(ans, sm);
} else {
int sm = 0;
for (int x : g[node]) if (x != par) ans = std::max(ans, mem[x] + 1), sm += mem[x];
ans = std::max(ans, sm - 1);
}
}
int main() {
std::ios::sync_with_stdio(0); std::cin.tie(0);
std::cin >> n;
g.resize(n);
mem.resize(n);
for (int i = 0; i < n - 1; i++) {
int u, v; std::cin >> u >> v;
g[u - 1].push_back(v - 1);
g[v - 1].push_back(u - 1);
}
std::cin >> s;
dfs1(0); dfs2(0);
std::cout << ans << "\n";
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 512 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 0 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 0 ms 384 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 512 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 0 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 0 ms 384 KB Output is correct
22 Correct 1 ms 512 KB Output is correct
23 Correct 1 ms 416 KB Output is correct
24 Correct 1 ms 512 KB Output is correct
25 Correct 1 ms 512 KB Output is correct
26 Correct 2 ms 512 KB Output is correct
27 Correct 1 ms 512 KB Output is correct
28 Correct 1 ms 512 KB Output is correct
29 Correct 1 ms 640 KB Output is correct
30 Correct 1 ms 512 KB Output is correct
31 Correct 1 ms 512 KB Output is correct
32 Correct 2 ms 512 KB Output is correct
33 Correct 1 ms 512 KB Output is correct
34 Correct 1 ms 512 KB Output is correct
35 Correct 2 ms 512 KB Output is correct
36 Correct 1 ms 512 KB Output is correct
37 Correct 1 ms 512 KB Output is correct
38 Correct 1 ms 512 KB Output is correct
39 Correct 1 ms 512 KB Output is correct
40 Correct 1 ms 512 KB Output is correct
41 Correct 1 ms 512 KB Output is correct
42 Correct 2 ms 512 KB Output is correct
43 Correct 1 ms 512 KB Output is correct
44 Correct 1 ms 512 KB Output is correct
45 Correct 1 ms 512 KB Output is correct
46 Correct 2 ms 512 KB Output is correct
47 Correct 1 ms 512 KB Output is correct
48 Correct 1 ms 512 KB Output is correct
49 Correct 1 ms 512 KB Output is correct
50 Correct 1 ms 640 KB Output is correct
51 Correct 2 ms 512 KB Output is correct
52 Correct 1 ms 512 KB Output is correct
53 Correct 1 ms 512 KB Output is correct
54 Correct 1 ms 512 KB Output is correct
55 Correct 1 ms 544 KB Output is correct
56 Correct 1 ms 512 KB Output is correct
57 Correct 2 ms 640 KB Output is correct
58 Correct 1 ms 512 KB Output is correct
59 Correct 1 ms 512 KB Output is correct
60 Correct 1 ms 512 KB Output is correct
61 Correct 1 ms 512 KB Output is correct
62 Correct 1 ms 640 KB Output is correct
63 Correct 1 ms 512 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 512 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 0 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 0 ms 384 KB Output is correct
22 Correct 1 ms 512 KB Output is correct
23 Correct 1 ms 416 KB Output is correct
24 Correct 1 ms 512 KB Output is correct
25 Correct 1 ms 512 KB Output is correct
26 Correct 2 ms 512 KB Output is correct
27 Correct 1 ms 512 KB Output is correct
28 Correct 1 ms 512 KB Output is correct
29 Correct 1 ms 640 KB Output is correct
30 Correct 1 ms 512 KB Output is correct
31 Correct 1 ms 512 KB Output is correct
32 Correct 2 ms 512 KB Output is correct
33 Correct 1 ms 512 KB Output is correct
34 Correct 1 ms 512 KB Output is correct
35 Correct 2 ms 512 KB Output is correct
36 Correct 1 ms 512 KB Output is correct
37 Correct 1 ms 512 KB Output is correct
38 Correct 1 ms 512 KB Output is correct
39 Correct 1 ms 512 KB Output is correct
40 Correct 1 ms 512 KB Output is correct
41 Correct 1 ms 512 KB Output is correct
42 Correct 2 ms 512 KB Output is correct
43 Correct 1 ms 512 KB Output is correct
44 Correct 1 ms 512 KB Output is correct
45 Correct 1 ms 512 KB Output is correct
46 Correct 2 ms 512 KB Output is correct
47 Correct 1 ms 512 KB Output is correct
48 Correct 1 ms 512 KB Output is correct
49 Correct 1 ms 512 KB Output is correct
50 Correct 1 ms 640 KB Output is correct
51 Correct 2 ms 512 KB Output is correct
52 Correct 1 ms 512 KB Output is correct
53 Correct 1 ms 512 KB Output is correct
54 Correct 1 ms 512 KB Output is correct
55 Correct 1 ms 544 KB Output is correct
56 Correct 1 ms 512 KB Output is correct
57 Correct 2 ms 640 KB Output is correct
58 Correct 1 ms 512 KB Output is correct
59 Correct 1 ms 512 KB Output is correct
60 Correct 1 ms 512 KB Output is correct
61 Correct 1 ms 512 KB Output is correct
62 Correct 1 ms 640 KB Output is correct
63 Correct 1 ms 512 KB Output is correct
64 Correct 207 ms 15456 KB Output is correct
65 Correct 204 ms 15324 KB Output is correct
66 Correct 208 ms 15312 KB Output is correct
67 Correct 207 ms 15324 KB Output is correct
68 Correct 206 ms 15312 KB Output is correct
69 Correct 205 ms 15320 KB Output is correct
70 Correct 199 ms 15332 KB Output is correct
71 Correct 198 ms 15328 KB Output is correct
72 Correct 204 ms 15320 KB Output is correct
73 Correct 245 ms 27840 KB Output is correct
74 Correct 250 ms 27832 KB Output is correct
75 Correct 198 ms 15196 KB Output is correct
76 Correct 194 ms 15204 KB Output is correct
77 Correct 209 ms 15192 KB Output is correct
78 Correct 220 ms 15204 KB Output is correct
79 Correct 208 ms 15204 KB Output is correct
80 Correct 216 ms 15196 KB Output is correct
81 Correct 164 ms 15604 KB Output is correct
82 Correct 186 ms 15352 KB Output is correct
83 Correct 222 ms 20284 KB Output is correct
84 Correct 222 ms 22476 KB Output is correct
85 Correct 216 ms 22084 KB Output is correct
86 Correct 211 ms 16568 KB Output is correct
87 Correct 211 ms 16112 KB Output is correct
88 Correct 190 ms 16372 KB Output is correct
89 Correct 198 ms 16584 KB Output is correct
90 Correct 185 ms 16284 KB Output is correct
91 Correct 186 ms 16616 KB Output is correct
92 Correct 191 ms 16840 KB Output is correct
93 Correct 179 ms 19204 KB Output is correct
94 Correct 186 ms 20976 KB Output is correct
95 Correct 181 ms 19568 KB Output is correct
96 Correct 185 ms 17832 KB Output is correct
97 Correct 172 ms 16404 KB Output is correct
98 Correct 173 ms 15864 KB Output is correct
99 Correct 191 ms 15704 KB Output is correct
100 Correct 182 ms 18724 KB Output is correct
101 Correct 181 ms 16692 KB Output is correct
102 Correct 187 ms 16120 KB Output is correct
103 Correct 188 ms 15852 KB Output is correct
104 Correct 104 ms 16108 KB Output is correct
105 Correct 240 ms 24760 KB Output is correct
106 Correct 103 ms 16108 KB Output is correct
107 Correct 103 ms 15980 KB Output is correct
108 Correct 238 ms 28600 KB Output is correct
109 Correct 106 ms 16108 KB Output is correct
110 Correct 237 ms 28984 KB Output is correct
111 Correct 181 ms 15204 KB Output is correct