oj.uz

Submission #292590

# Submission time Handle Problem Language Result Execution time Memory
292590 2020-09-07T10:16:28 Z Pajaraja Power Plant (JOI20_power) C++17
100 / 100
 412 ms 21484 KB 
#include <bits/stdc++.h>
#define MAXN 200007
using namespace std;
int dp[MAXN],sol=0,pg[MAXN];
vector<int> g[MAXN];
void dfs(int s,int f)
{
	for(int i=0;i<g[s].size();i++) if(g[s][i]!=f) dfs(g[s][i],s);
	dp[s]=pg[s];
	int sum=0;
	for(int i=0;i<g[s].size();i++) sol=max(sol,dp[g[s][i]]+pg[s]);
	for(int i=0;i<g[s].size();i++) sum+=dp[g[s][i]];
	dp[s]=max(dp[s],sum-pg[s]);
	sol=max(sol,dp[s]);
}
int main()
{
	int n;
	cin>>n;
	for(int i=0;i<n-1;i++)
	{
		int t1,t2;
		cin>>t1>>t2;
		g[t1].push_back(t2);
		g[t2].push_back(t1);
	}
	string s;
	cin>>s;
	for(int i=0;i<n;i++) pg[i+1]=s[i]-'0';
	dfs(1,1);
	cout<<sol;
}

Compilation message

power.cpp: In function 'void dfs(int, int)':
power.cpp:8:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 |  for(int i=0;i<g[s].size();i++) if(g[s][i]!=f) dfs(g[s][i],s);
      |              ~^~~~~~~~~~~~
power.cpp:11:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   11 |  for(int i=0;i<g[s].size();i++) sol=max(sol,dp[g[s][i]]+pg[s]);
      |              ~^~~~~~~~~~~~
power.cpp:12:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |  for(int i=0;i<g[s].size();i++) sum+=dp[g[s][i]];
      |              ~^~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4992 KB Output is correct
2 Correct 4 ms 4992 KB Output is correct
3 Correct 3 ms 5120 KB Output is correct
4 Correct 4 ms 4992 KB Output is correct
5 Correct 4 ms 4992 KB Output is correct
6 Correct 3 ms 4992 KB Output is correct
7 Correct 4 ms 4992 KB Output is correct
8 Correct 5 ms 4992 KB Output is correct
9 Correct 4 ms 4992 KB Output is correct
10 Correct 4 ms 4992 KB Output is correct
11 Correct 4 ms 4992 KB Output is correct
12 Correct 4 ms 4992 KB Output is correct
13 Correct 4 ms 4992 KB Output is correct
14 Correct 4 ms 4992 KB Output is correct
15 Correct 4 ms 4992 KB Output is correct
16 Correct 4 ms 4992 KB Output is correct
17 Correct 3 ms 4992 KB Output is correct
18 Correct 4 ms 4992 KB Output is correct
19 Correct 4 ms 4992 KB Output is correct
20 Correct 4 ms 4992 KB Output is correct
21 Correct 4 ms 4992 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4992 KB Output is correct
2 Correct 4 ms 4992 KB Output is correct
3 Correct 3 ms 5120 KB Output is correct
4 Correct 4 ms 4992 KB Output is correct
5 Correct 4 ms 4992 KB Output is correct
6 Correct 3 ms 4992 KB Output is correct
7 Correct 4 ms 4992 KB Output is correct
8 Correct 5 ms 4992 KB Output is correct
9 Correct 4 ms 4992 KB Output is correct
10 Correct 4 ms 4992 KB Output is correct
11 Correct 4 ms 4992 KB Output is correct
12 Correct 4 ms 4992 KB Output is correct
13 Correct 4 ms 4992 KB Output is correct
14 Correct 4 ms 4992 KB Output is correct
15 Correct 4 ms 4992 KB Output is correct
16 Correct 4 ms 4992 KB Output is correct
17 Correct 3 ms 4992 KB Output is correct
18 Correct 4 ms 4992 KB Output is correct
19 Correct 4 ms 4992 KB Output is correct
20 Correct 4 ms 4992 KB Output is correct
21 Correct 4 ms 4992 KB Output is correct
22 Correct 6 ms 5120 KB Output is correct
23 Correct 6 ms 5120 KB Output is correct
24 Correct 6 ms 5120 KB Output is correct
25 Correct 6 ms 5120 KB Output is correct
26 Correct 6 ms 5120 KB Output is correct
27 Correct 6 ms 5120 KB Output is correct
28 Correct 6 ms 5120 KB Output is correct
29 Correct 6 ms 5120 KB Output is correct
30 Correct 7 ms 5120 KB Output is correct
31 Correct 6 ms 5120 KB Output is correct
32 Correct 6 ms 5120 KB Output is correct
33 Correct 6 ms 5120 KB Output is correct
34 Correct 6 ms 5120 KB Output is correct
35 Correct 6 ms 5120 KB Output is correct
36 Correct 6 ms 5120 KB Output is correct
37 Correct 6 ms 5120 KB Output is correct
38 Correct 6 ms 5120 KB Output is correct
39 Correct 6 ms 5248 KB Output is correct
40 Correct 6 ms 5120 KB Output is correct
41 Correct 6 ms 5120 KB Output is correct
42 Correct 7 ms 5120 KB Output is correct
43 Correct 6 ms 5120 KB Output is correct
44 Correct 6 ms 5120 KB Output is correct
45 Correct 6 ms 5120 KB Output is correct
46 Correct 6 ms 5120 KB Output is correct
47 Correct 6 ms 5120 KB Output is correct
48 Correct 6 ms 5120 KB Output is correct
49 Correct 6 ms 5120 KB Output is correct
50 Correct 6 ms 5120 KB Output is correct
51 Correct 6 ms 5120 KB Output is correct
52 Correct 7 ms 5120 KB Output is correct
53 Correct 6 ms 5120 KB Output is correct
54 Correct 6 ms 5120 KB Output is correct
55 Correct 6 ms 5120 KB Output is correct
56 Correct 6 ms 5120 KB Output is correct
57 Correct 6 ms 5120 KB Output is correct
58 Correct 6 ms 5120 KB Output is correct
59 Correct 6 ms 5120 KB Output is correct
60 Correct 6 ms 5120 KB Output is correct
61 Correct 6 ms 5120 KB Output is correct
62 Correct 6 ms 5120 KB Output is correct
63 Correct 6 ms 5120 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4992 KB Output is correct
2 Correct 4 ms 4992 KB Output is correct
3 Correct 3 ms 5120 KB Output is correct
4 Correct 4 ms 4992 KB Output is correct
5 Correct 4 ms 4992 KB Output is correct
6 Correct 3 ms 4992 KB Output is correct
7 Correct 4 ms 4992 KB Output is correct
8 Correct 5 ms 4992 KB Output is correct
9 Correct 4 ms 4992 KB Output is correct
10 Correct 4 ms 4992 KB Output is correct
11 Correct 4 ms 4992 KB Output is correct
12 Correct 4 ms 4992 KB Output is correct
13 Correct 4 ms 4992 KB Output is correct
14 Correct 4 ms 4992 KB Output is correct
15 Correct 4 ms 4992 KB Output is correct
16 Correct 4 ms 4992 KB Output is correct
17 Correct 3 ms 4992 KB Output is correct
18 Correct 4 ms 4992 KB Output is correct
19 Correct 4 ms 4992 KB Output is correct
20 Correct 4 ms 4992 KB Output is correct
21 Correct 4 ms 4992 KB Output is correct
22 Correct 6 ms 5120 KB Output is correct
23 Correct 6 ms 5120 KB Output is correct
24 Correct 6 ms 5120 KB Output is correct
25 Correct 6 ms 5120 KB Output is correct
26 Correct 6 ms 5120 KB Output is correct
27 Correct 6 ms 5120 KB Output is correct
28 Correct 6 ms 5120 KB Output is correct
29 Correct 6 ms 5120 KB Output is correct
30 Correct 7 ms 5120 KB Output is correct
31 Correct 6 ms 5120 KB Output is correct
32 Correct 6 ms 5120 KB Output is correct
33 Correct 6 ms 5120 KB Output is correct
34 Correct 6 ms 5120 KB Output is correct
35 Correct 6 ms 5120 KB Output is correct
36 Correct 6 ms 5120 KB Output is correct
37 Correct 6 ms 5120 KB Output is correct
38 Correct 6 ms 5120 KB Output is correct
39 Correct 6 ms 5248 KB Output is correct
40 Correct 6 ms 5120 KB Output is correct
41 Correct 6 ms 5120 KB Output is correct
42 Correct 7 ms 5120 KB Output is correct
43 Correct 6 ms 5120 KB Output is correct
44 Correct 6 ms 5120 KB Output is correct
45 Correct 6 ms 5120 KB Output is correct
46 Correct 6 ms 5120 KB Output is correct
47 Correct 6 ms 5120 KB Output is correct
48 Correct 6 ms 5120 KB Output is correct
49 Correct 6 ms 5120 KB Output is correct
50 Correct 6 ms 5120 KB Output is correct
51 Correct 6 ms 5120 KB Output is correct
52 Correct 7 ms 5120 KB Output is correct
53 Correct 6 ms 5120 KB Output is correct
54 Correct 6 ms 5120 KB Output is correct
55 Correct 6 ms 5120 KB Output is correct
56 Correct 6 ms 5120 KB Output is correct
57 Correct 6 ms 5120 KB Output is correct
58 Correct 6 ms 5120 KB Output is correct
59 Correct 6 ms 5120 KB Output is correct
60 Correct 6 ms 5120 KB Output is correct
61 Correct 6 ms 5120 KB Output is correct
62 Correct 6 ms 5120 KB Output is correct
63 Correct 6 ms 5120 KB Output is correct
64 Correct 407 ms 13448 KB Output is correct
65 Correct 380 ms 13320 KB Output is correct
66 Correct 398 ms 13280 KB Output is correct
67 Correct 384 ms 13324 KB Output is correct
68 Correct 378 ms 13384 KB Output is correct
69 Correct 374 ms 13192 KB Output is correct
70 Correct 382 ms 13448 KB Output is correct
71 Correct 378 ms 13316 KB Output is correct
72 Correct 381 ms 13320 KB Output is correct
73 Correct 412 ms 20872 KB Output is correct
74 Correct 401 ms 20872 KB Output is correct
75 Correct 376 ms 13320 KB Output is correct
76 Correct 369 ms 13320 KB Output is correct
77 Correct 385 ms 13304 KB Output is correct
78 Correct 390 ms 13192 KB Output is correct
79 Correct 385 ms 13320 KB Output is correct
80 Correct 385 ms 13320 KB Output is correct
81 Correct 344 ms 13680 KB Output is correct
82 Correct 378 ms 13684 KB Output is correct
83 Correct 397 ms 16264 KB Output is correct
84 Correct 394 ms 17544 KB Output is correct
85 Correct 396 ms 17472 KB Output is correct
86 Correct 388 ms 14084 KB Output is correct
87 Correct 397 ms 13772 KB Output is correct
88 Correct 379 ms 14344 KB Output is correct
89 Correct 368 ms 14252 KB Output is correct
90 Correct 371 ms 14216 KB Output is correct
91 Correct 388 ms 14184 KB Output is correct
92 Correct 376 ms 14536 KB Output is correct
93 Correct 368 ms 15744 KB Output is correct
94 Correct 364 ms 16992 KB Output is correct
95 Correct 364 ms 16116 KB Output is correct
96 Correct 374 ms 14984 KB Output is correct
97 Correct 362 ms 14088 KB Output is correct
98 Correct 366 ms 13848 KB Output is correct
99 Correct 375 ms 13716 KB Output is correct
100 Correct 379 ms 15496 KB Output is correct
101 Correct 376 ms 14264 KB Output is correct
102 Correct 374 ms 13960 KB Output is correct
103 Correct 382 ms 13960 KB Output is correct
104 Correct 321 ms 14060 KB Output is correct
105 Correct 408 ms 18952 KB Output is correct
106 Correct 299 ms 14184 KB Output is correct
107 Correct 295 ms 14056 KB Output is correct
108 Correct 408 ms 21320 KB Output is correct
109 Correct 309 ms 14056 KB Output is correct
110 Correct 402 ms 21484 KB Output is correct
111 Correct 367 ms 13136 KB Output is correct