Submission #558075

# Submission time Handle Problem Language Result Execution time Memory
558075 2022-05-06T18:12:51 Z groshi Power Plant (JOI20_power) C++17
100 / 100
172 ms 25452 KB
#include<iostream>
#include<vector>
using namespace std;
struct wi{
    vector<int> Q;
}*w;
int wynik=0;
string s;
int dfs(int x,int ojc)
{
    int ile=0;
    for(int i=0;i<w[x].Q.size();i++)
    {
        int pom=w[x].Q[i];
        if(pom==ojc)
            continue;
        int k=dfs(pom,x);
        ile+=k;
        if(s[x-1]=='1')
            wynik=max(wynik,k+1);
    }
    if(s[x-1]=='1')
        ile=max(ile-1,1);
    wynik=max(wynik,ile);
    return ile;
}
int main()
{
    cin.tie(0);
    cout.tie(0);
    ios_base::sync_with_stdio(0);
    int n,x,y;
    cin>>n;
    w=new wi[n+3];
    for(int i=1;i<n;i++)
    {
        cin>>x>>y;
        w[x].Q.push_back(y);
        w[y].Q.push_back(x);
    }
    cin>>s;
    int k=dfs(1,0);
    cout<<wynik;
    return 0;
}

Compilation message

power.cpp: In function 'int dfs(int, int)':
power.cpp:12:18: 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<w[x].Q.size();i++)
      |                 ~^~~~~~~~~~~~~~
power.cpp: In function 'int main()':
power.cpp:42:9: warning: unused variable 'k' [-Wunused-variable]
   42 |     int k=dfs(1,0);
      |         ^
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 328 KB Output is correct
14 Correct 1 ms 324 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 328 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 328 KB Output is correct
14 Correct 1 ms 324 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 328 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 432 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 2 ms 340 KB Output is correct
29 Correct 1 ms 468 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 432 KB Output is correct
35 Correct 1 ms 428 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 468 KB Output is correct
39 Correct 1 ms 468 KB Output is correct
40 Correct 1 ms 468 KB Output is correct
41 Correct 1 ms 468 KB Output is correct
42 Correct 1 ms 432 KB Output is correct
43 Correct 1 ms 468 KB Output is correct
44 Correct 1 ms 468 KB Output is correct
45 Correct 1 ms 464 KB Output is correct
46 Correct 1 ms 468 KB Output is correct
47 Correct 2 ms 428 KB Output is correct
48 Correct 1 ms 468 KB Output is correct
49 Correct 1 ms 460 KB Output is correct
50 Correct 2 ms 468 KB Output is correct
51 Correct 1 ms 468 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 468 KB Output is correct
54 Correct 1 ms 460 KB Output is correct
55 Correct 1 ms 468 KB Output is correct
56 Correct 2 ms 468 KB Output is correct
57 Correct 1 ms 560 KB Output is correct
58 Correct 1 ms 340 KB Output is correct
59 Correct 1 ms 468 KB Output is correct
60 Correct 1 ms 432 KB Output is correct
61 Correct 1 ms 424 KB Output is correct
62 Correct 1 ms 468 KB Output is correct
63 Correct 1 ms 340 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 328 KB Output is correct
14 Correct 1 ms 324 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 328 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 432 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 2 ms 340 KB Output is correct
29 Correct 1 ms 468 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 432 KB Output is correct
35 Correct 1 ms 428 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 468 KB Output is correct
39 Correct 1 ms 468 KB Output is correct
40 Correct 1 ms 468 KB Output is correct
41 Correct 1 ms 468 KB Output is correct
42 Correct 1 ms 432 KB Output is correct
43 Correct 1 ms 468 KB Output is correct
44 Correct 1 ms 468 KB Output is correct
45 Correct 1 ms 464 KB Output is correct
46 Correct 1 ms 468 KB Output is correct
47 Correct 2 ms 428 KB Output is correct
48 Correct 1 ms 468 KB Output is correct
49 Correct 1 ms 460 KB Output is correct
50 Correct 2 ms 468 KB Output is correct
51 Correct 1 ms 468 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 468 KB Output is correct
54 Correct 1 ms 460 KB Output is correct
55 Correct 1 ms 468 KB Output is correct
56 Correct 2 ms 468 KB Output is correct
57 Correct 1 ms 560 KB Output is correct
58 Correct 1 ms 340 KB Output is correct
59 Correct 1 ms 468 KB Output is correct
60 Correct 1 ms 432 KB Output is correct
61 Correct 1 ms 424 KB Output is correct
62 Correct 1 ms 468 KB Output is correct
63 Correct 1 ms 340 KB Output is correct
64 Correct 115 ms 14672 KB Output is correct
65 Correct 118 ms 14496 KB Output is correct
66 Correct 129 ms 14472 KB Output is correct
67 Correct 109 ms 14420 KB Output is correct
68 Correct 121 ms 14512 KB Output is correct
69 Correct 135 ms 14508 KB Output is correct
70 Correct 104 ms 14472 KB Output is correct
71 Correct 116 ms 14456 KB Output is correct
72 Correct 119 ms 14536 KB Output is correct
73 Correct 141 ms 24432 KB Output is correct
74 Correct 129 ms 24372 KB Output is correct
75 Correct 120 ms 14384 KB Output is correct
76 Correct 106 ms 14392 KB Output is correct
77 Correct 121 ms 14400 KB Output is correct
78 Correct 131 ms 14472 KB Output is correct
79 Correct 125 ms 14428 KB Output is correct
80 Correct 129 ms 14424 KB Output is correct
81 Correct 95 ms 14788 KB Output is correct
82 Correct 106 ms 14536 KB Output is correct
83 Correct 131 ms 18464 KB Output is correct
84 Correct 122 ms 20120 KB Output is correct
85 Correct 132 ms 19864 KB Output is correct
86 Correct 109 ms 15424 KB Output is correct
87 Correct 133 ms 15036 KB Output is correct
88 Correct 104 ms 15404 KB Output is correct
89 Correct 117 ms 15504 KB Output is correct
90 Correct 93 ms 15328 KB Output is correct
91 Correct 112 ms 15468 KB Output is correct
92 Correct 111 ms 15692 KB Output is correct
93 Correct 105 ms 17560 KB Output is correct
94 Correct 113 ms 19076 KB Output is correct
95 Correct 107 ms 17880 KB Output is correct
96 Correct 90 ms 16464 KB Output is correct
97 Correct 99 ms 15332 KB Output is correct
98 Correct 95 ms 14912 KB Output is correct
99 Correct 111 ms 14860 KB Output is correct
100 Correct 142 ms 17220 KB Output is correct
101 Correct 106 ms 15636 KB Output is correct
102 Correct 95 ms 15064 KB Output is correct
103 Correct 97 ms 14912 KB Output is correct
104 Correct 69 ms 15220 KB Output is correct
105 Correct 158 ms 21916 KB Output is correct
106 Correct 57 ms 15168 KB Output is correct
107 Correct 56 ms 15104 KB Output is correct
108 Correct 129 ms 25088 KB Output is correct
109 Correct 73 ms 15276 KB Output is correct
110 Correct 172 ms 25452 KB Output is correct
111 Correct 103 ms 14408 KB Output is correct