oj.uz

Submission #550622

# Submission time Handle Problem Language Result Execution time Memory
550622 2022-04-18T17:16:10 Z Pherokung Power Plant (JOI20_power) C++14
100 / 100
 200 ms 28816 KB 
#include<bits/stdc++.h>
using namespace std;
#define N 200005
int n,u,v,dp[N],x[N],ans=0;
char s[N];
vector<int> adj[N];
int sol(int u,int p){
	int mx = 0;
	for(int v : adj[u]){
		if(v == p) continue;
		dp[u] += sol(v,u);
		mx = max(mx,dp[v]);
	}
	dp[u] = max(dp[u]-x[u],x[u]);
	ans = max({ans,dp[u],mx+x[u]});
	return dp[u];
}
int main(){
	scanf("%d",&n);
	for(int i=1;i<n;i++){
		scanf("%d%d",&u,&v);
		adj[u].push_back(v), adj[v].push_back(u);
	}
	scanf("%s",s+1);
	for(int i=1;i<=n;i++) if(s[i] == '1') x[i] = 1;
	sol(1,1);
	printf("%d",ans);
}

Compilation message

power.cpp: In function 'int main()':
power.cpp:19:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |  scanf("%d",&n);
      |  ~~~~~^~~~~~~~~
power.cpp:21:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 |   scanf("%d%d",&u,&v);
      |   ~~~~~^~~~~~~~~~~~~~
power.cpp:24:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   24 |  scanf("%s",s+1);
      |  ~~~~~^~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 5012 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 5012 KB Output is correct
6 Correct 4 ms 5000 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 3 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 2 ms 5012 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct
18 Correct 3 ms 5004 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 3 ms 4976 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 5012 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 5012 KB Output is correct
6 Correct 4 ms 5000 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 3 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 2 ms 5012 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct
18 Correct 3 ms 5004 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 3 ms 4976 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 4 ms 5076 KB Output is correct
23 Correct 3 ms 5076 KB Output is correct
24 Correct 4 ms 5076 KB Output is correct
25 Correct 4 ms 5080 KB Output is correct
26 Correct 4 ms 5076 KB Output is correct
27 Correct 4 ms 5076 KB Output is correct
28 Correct 4 ms 5080 KB Output is correct
29 Correct 5 ms 5204 KB Output is correct
30 Correct 4 ms 5204 KB Output is correct
31 Correct 4 ms 5076 KB Output is correct
32 Correct 4 ms 5076 KB Output is correct
33 Correct 4 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 4 ms 5024 KB Output is correct
37 Correct 4 ms 5024 KB Output is correct
38 Correct 4 ms 5024 KB Output is correct
39 Correct 4 ms 5076 KB Output is correct
40 Correct 4 ms 5144 KB Output is correct
41 Correct 4 ms 5076 KB Output is correct
42 Correct 4 ms 5076 KB Output is correct
43 Correct 4 ms 5076 KB Output is correct
44 Correct 5 ms 5084 KB Output is correct
45 Correct 4 ms 5076 KB Output is correct
46 Correct 5 ms 5024 KB Output is correct
47 Correct 4 ms 5076 KB Output is correct
48 Correct 4 ms 5148 KB Output is correct
49 Correct 4 ms 5076 KB Output is correct
50 Correct 4 ms 5148 KB Output is correct
51 Correct 3 ms 5076 KB Output is correct
52 Correct 3 ms 5024 KB Output is correct
53 Correct 3 ms 5076 KB Output is correct
54 Correct 4 ms 5076 KB Output is correct
55 Correct 4 ms 5024 KB Output is correct
56 Correct 3 ms 5028 KB Output is correct
57 Correct 4 ms 5256 KB Output is correct
58 Correct 4 ms 5020 KB Output is correct
59 Correct 5 ms 5156 KB Output is correct
60 Correct 4 ms 5076 KB Output is correct
61 Correct 3 ms 5076 KB Output is correct
62 Correct 4 ms 5216 KB Output is correct
63 Correct 4 ms 5076 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 5012 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 5012 KB Output is correct
6 Correct 4 ms 5000 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 3 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 2 ms 5012 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct
18 Correct 3 ms 5004 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 3 ms 4976 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 4 ms 5076 KB Output is correct
23 Correct 3 ms 5076 KB Output is correct
24 Correct 4 ms 5076 KB Output is correct
25 Correct 4 ms 5080 KB Output is correct
26 Correct 4 ms 5076 KB Output is correct
27 Correct 4 ms 5076 KB Output is correct
28 Correct 4 ms 5080 KB Output is correct
29 Correct 5 ms 5204 KB Output is correct
30 Correct 4 ms 5204 KB Output is correct
31 Correct 4 ms 5076 KB Output is correct
32 Correct 4 ms 5076 KB Output is correct
33 Correct 4 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 4 ms 5024 KB Output is correct
37 Correct 4 ms 5024 KB Output is correct
38 Correct 4 ms 5024 KB Output is correct
39 Correct 4 ms 5076 KB Output is correct
40 Correct 4 ms 5144 KB Output is correct
41 Correct 4 ms 5076 KB Output is correct
42 Correct 4 ms 5076 KB Output is correct
43 Correct 4 ms 5076 KB Output is correct
44 Correct 5 ms 5084 KB Output is correct
45 Correct 4 ms 5076 KB Output is correct
46 Correct 5 ms 5024 KB Output is correct
47 Correct 4 ms 5076 KB Output is correct
48 Correct 4 ms 5148 KB Output is correct
49 Correct 4 ms 5076 KB Output is correct
50 Correct 4 ms 5148 KB Output is correct
51 Correct 3 ms 5076 KB Output is correct
52 Correct 3 ms 5024 KB Output is correct
53 Correct 3 ms 5076 KB Output is correct
54 Correct 4 ms 5076 KB Output is correct
55 Correct 4 ms 5024 KB Output is correct
56 Correct 3 ms 5028 KB Output is correct
57 Correct 4 ms 5256 KB Output is correct
58 Correct 4 ms 5020 KB Output is correct
59 Correct 5 ms 5156 KB Output is correct
60 Correct 4 ms 5076 KB Output is correct
61 Correct 3 ms 5076 KB Output is correct
62 Correct 4 ms 5216 KB Output is correct
63 Correct 4 ms 5076 KB Output is correct
64 Correct 134 ms 15784 KB Output is correct
65 Correct 155 ms 15840 KB Output is correct
66 Correct 130 ms 15836 KB Output is correct
67 Correct 137 ms 15828 KB Output is correct
68 Correct 164 ms 15820 KB Output is correct
69 Correct 134 ms 15764 KB Output is correct
70 Correct 136 ms 15828 KB Output is correct
71 Correct 162 ms 15832 KB Output is correct
72 Correct 153 ms 15060 KB Output is correct
73 Correct 139 ms 28444 KB Output is correct
74 Correct 147 ms 28344 KB Output is correct
75 Correct 151 ms 15676 KB Output is correct
76 Correct 150 ms 15632 KB Output is correct
77 Correct 132 ms 15704 KB Output is correct
78 Correct 155 ms 15692 KB Output is correct
79 Correct 177 ms 15664 KB Output is correct
80 Correct 137 ms 15700 KB Output is correct
81 Correct 138 ms 16096 KB Output is correct
82 Correct 138 ms 15924 KB Output is correct
83 Correct 152 ms 20812 KB Output is correct
84 Correct 161 ms 23144 KB Output is correct
85 Correct 178 ms 22700 KB Output is correct
86 Correct 150 ms 17144 KB Output is correct
87 Correct 156 ms 16556 KB Output is correct
88 Correct 119 ms 16960 KB Output is correct
89 Correct 139 ms 17072 KB Output is correct
90 Correct 126 ms 16856 KB Output is correct
91 Correct 139 ms 17048 KB Output is correct
92 Correct 124 ms 17308 KB Output is correct
93 Correct 132 ms 19852 KB Output is correct
94 Correct 133 ms 21424 KB Output is correct
95 Correct 129 ms 20096 KB Output is correct
96 Correct 125 ms 18416 KB Output is correct
97 Correct 140 ms 16896 KB Output is correct
98 Correct 151 ms 16428 KB Output is correct
99 Correct 118 ms 16168 KB Output is correct
100 Correct 122 ms 19376 KB Output is correct
101 Correct 164 ms 17376 KB Output is correct
102 Correct 118 ms 16552 KB Output is correct
103 Correct 125 ms 16400 KB Output is correct
104 Correct 91 ms 15760 KB Output is correct
105 Correct 200 ms 24588 KB Output is correct
106 Correct 96 ms 16360 KB Output is correct
107 Correct 80 ms 16400 KB Output is correct
108 Correct 182 ms 28308 KB Output is correct
109 Correct 100 ms 15808 KB Output is correct
110 Correct 157 ms 28816 KB Output is correct
111 Correct 112 ms 15604 KB Output is correct