oj.uz

답안 #467878

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
467878 2021-08-25T08:39:52 Z stefantaga Power Plant (JOI20_power) C++14
100 / 100
 192 ms 29328 KB 
#include <bits/stdc++.h>

using namespace std;
vector <int> v[200005];
int din[200005],val[200005];
int dfs(int x,int tata)
{
    int i,maxim=0,maxim2=0;
    for (i=0; i<v[x].size(); i++)
    {
        if (v[x][i]!=tata)
        {
            maxim=max(maxim,dfs(v[x][i],x));
            din[x]+=din[v[x][i]];
            maxim2=max(maxim2,din[v[x][i]]);
        }
    }
    din[x]=max(val[x],din[x]-val[x]);
    return max(maxim,max(din[x],maxim2+val[x]));
}
int n,i,x,y;
char ch;
int main()
{
    ios_base :: sync_with_stdio(false);
    cin.tie(0);
#ifdef HOME
    ifstream cin("date.in");
    ofstream cout("date.out");
#endif // HOME
    cin>>n;
    for (i=1; i<=n-1; i++)
    {
        cin>>x>>y;
        v[x].push_back(y);
        v[y].push_back(x);
    }
    for (i=1; i<=n; i++)
    {
        cin>>ch;
        val[i]=ch-'0';
    }
    cout<<dfs(1,0);
    return 0;
}

Compilation message

power.cpp: In function 'int dfs(int, int)':
power.cpp:9:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 |     for (i=0; i<v[x].size(); i++)
      |               ~^~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 4940 KB Output is correct
2 Correct 3 ms 4940 KB Output is correct
3 Correct 3 ms 4940 KB Output is correct
4 Correct 4 ms 4940 KB Output is correct
5 Correct 3 ms 4956 KB Output is correct
6 Correct 3 ms 4940 KB Output is correct
7 Correct 3 ms 4940 KB Output is correct
8 Correct 3 ms 4940 KB Output is correct
9 Correct 3 ms 4940 KB Output is correct
10 Correct 3 ms 4940 KB Output is correct
11 Correct 3 ms 4940 KB Output is correct
12 Correct 3 ms 4940 KB Output is correct
13 Correct 3 ms 4940 KB Output is correct
14 Correct 3 ms 4940 KB Output is correct
15 Correct 3 ms 4940 KB Output is correct
16 Correct 3 ms 4940 KB Output is correct
17 Correct 3 ms 4940 KB Output is correct
18 Correct 3 ms 4940 KB Output is correct
19 Correct 4 ms 4940 KB Output is correct
20 Correct 3 ms 4940 KB Output is correct
21 Correct 3 ms 4940 KB Output is correct

Subtask #2
41.0 / 41.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 4940 KB Output is correct
2 Correct 3 ms 4940 KB Output is correct
3 Correct 3 ms 4940 KB Output is correct
4 Correct 4 ms 4940 KB Output is correct
5 Correct 3 ms 4956 KB Output is correct
6 Correct 3 ms 4940 KB Output is correct
7 Correct 3 ms 4940 KB Output is correct
8 Correct 3 ms 4940 KB Output is correct
9 Correct 3 ms 4940 KB Output is correct
10 Correct 3 ms 4940 KB Output is correct
11 Correct 3 ms 4940 KB Output is correct
12 Correct 3 ms 4940 KB Output is correct
13 Correct 3 ms 4940 KB Output is correct
14 Correct 3 ms 4940 KB Output is correct
15 Correct 3 ms 4940 KB Output is correct
16 Correct 3 ms 4940 KB Output is correct
17 Correct 3 ms 4940 KB Output is correct
18 Correct 3 ms 4940 KB Output is correct
19 Correct 4 ms 4940 KB Output is correct
20 Correct 3 ms 4940 KB Output is correct
21 Correct 3 ms 4940 KB Output is correct
22 Correct 4 ms 5068 KB Output is correct
23 Correct 4 ms 5068 KB Output is correct
24 Correct 4 ms 5068 KB Output is correct
25 Correct 4 ms 5068 KB Output is correct
26 Correct 4 ms 5068 KB Output is correct
27 Correct 4 ms 5004 KB Output is correct
28 Correct 5 ms 5068 KB Output is correct
29 Correct 4 ms 5196 KB Output is correct
30 Correct 4 ms 5196 KB Output is correct
31 Correct 4 ms 5068 KB Output is correct
32 Correct 4 ms 5068 KB Output is correct
33 Correct 4 ms 5092 KB Output is correct
34 Correct 4 ms 5076 KB Output is correct
35 Correct 4 ms 5068 KB Output is correct
36 Correct 4 ms 5068 KB Output is correct
37 Correct 5 ms 5068 KB Output is correct
38 Correct 4 ms 5068 KB Output is correct
39 Correct 5 ms 5068 KB Output is correct
40 Correct 5 ms 5068 KB Output is correct
41 Correct 5 ms 5068 KB Output is correct
42 Correct 4 ms 5068 KB Output is correct
43 Correct 4 ms 5196 KB Output is correct
44 Correct 4 ms 5068 KB Output is correct
45 Correct 4 ms 5152 KB Output is correct
46 Correct 4 ms 5068 KB Output is correct
47 Correct 4 ms 5068 KB Output is correct
48 Correct 4 ms 5196 KB Output is correct
49 Correct 4 ms 5196 KB Output is correct
50 Correct 4 ms 5156 KB Output is correct
51 Correct 4 ms 5068 KB Output is correct
52 Correct 4 ms 5068 KB Output is correct
53 Correct 4 ms 5068 KB Output is correct
54 Correct 4 ms 5068 KB Output is correct
55 Correct 4 ms 5068 KB Output is correct
56 Correct 4 ms 5028 KB Output is correct
57 Correct 4 ms 5196 KB Output is correct
58 Correct 4 ms 5036 KB Output is correct
59 Correct 4 ms 5068 KB Output is correct
60 Correct 4 ms 5152 KB Output is correct
61 Correct 4 ms 5068 KB Output is correct
62 Correct 4 ms 5196 KB Output is correct
63 Correct 4 ms 5068 KB Output is correct

Subtask #3
53.0 / 53.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 4940 KB Output is correct
2 Correct 3 ms 4940 KB Output is correct
3 Correct 3 ms 4940 KB Output is correct
4 Correct 4 ms 4940 KB Output is correct
5 Correct 3 ms 4956 KB Output is correct
6 Correct 3 ms 4940 KB Output is correct
7 Correct 3 ms 4940 KB Output is correct
8 Correct 3 ms 4940 KB Output is correct
9 Correct 3 ms 4940 KB Output is correct
10 Correct 3 ms 4940 KB Output is correct
11 Correct 3 ms 4940 KB Output is correct
12 Correct 3 ms 4940 KB Output is correct
13 Correct 3 ms 4940 KB Output is correct
14 Correct 3 ms 4940 KB Output is correct
15 Correct 3 ms 4940 KB Output is correct
16 Correct 3 ms 4940 KB Output is correct
17 Correct 3 ms 4940 KB Output is correct
18 Correct 3 ms 4940 KB Output is correct
19 Correct 4 ms 4940 KB Output is correct
20 Correct 3 ms 4940 KB Output is correct
21 Correct 3 ms 4940 KB Output is correct
22 Correct 4 ms 5068 KB Output is correct
23 Correct 4 ms 5068 KB Output is correct
24 Correct 4 ms 5068 KB Output is correct
25 Correct 4 ms 5068 KB Output is correct
26 Correct 4 ms 5068 KB Output is correct
27 Correct 4 ms 5004 KB Output is correct
28 Correct 5 ms 5068 KB Output is correct
29 Correct 4 ms 5196 KB Output is correct
30 Correct 4 ms 5196 KB Output is correct
31 Correct 4 ms 5068 KB Output is correct
32 Correct 4 ms 5068 KB Output is correct
33 Correct 4 ms 5092 KB Output is correct
34 Correct 4 ms 5076 KB Output is correct
35 Correct 4 ms 5068 KB Output is correct
36 Correct 4 ms 5068 KB Output is correct
37 Correct 5 ms 5068 KB Output is correct
38 Correct 4 ms 5068 KB Output is correct
39 Correct 5 ms 5068 KB Output is correct
40 Correct 5 ms 5068 KB Output is correct
41 Correct 5 ms 5068 KB Output is correct
42 Correct 4 ms 5068 KB Output is correct
43 Correct 4 ms 5196 KB Output is correct
44 Correct 4 ms 5068 KB Output is correct
45 Correct 4 ms 5152 KB Output is correct
46 Correct 4 ms 5068 KB Output is correct
47 Correct 4 ms 5068 KB Output is correct
48 Correct 4 ms 5196 KB Output is correct
49 Correct 4 ms 5196 KB Output is correct
50 Correct 4 ms 5156 KB Output is correct
51 Correct 4 ms 5068 KB Output is correct
52 Correct 4 ms 5068 KB Output is correct
53 Correct 4 ms 5068 KB Output is correct
54 Correct 4 ms 5068 KB Output is correct
55 Correct 4 ms 5068 KB Output is correct
56 Correct 4 ms 5028 KB Output is correct
57 Correct 4 ms 5196 KB Output is correct
58 Correct 4 ms 5036 KB Output is correct
59 Correct 4 ms 5068 KB Output is correct
60 Correct 4 ms 5152 KB Output is correct
61 Correct 4 ms 5068 KB Output is correct
62 Correct 4 ms 5196 KB Output is correct
63 Correct 4 ms 5068 KB Output is correct
64 Correct 135 ms 15576 KB Output is correct
65 Correct 180 ms 15684 KB Output is correct
66 Correct 148 ms 15592 KB Output is correct
67 Correct 153 ms 15556 KB Output is correct
68 Correct 185 ms 15572 KB Output is correct
69 Correct 164 ms 15536 KB Output is correct
70 Correct 143 ms 15596 KB Output is correct
71 Correct 151 ms 15564 KB Output is correct
72 Correct 171 ms 15692 KB Output is correct
73 Correct 189 ms 28256 KB Output is correct
74 Correct 190 ms 28212 KB Output is correct
75 Correct 171 ms 15536 KB Output is correct
76 Correct 159 ms 15560 KB Output is correct
77 Correct 164 ms 15556 KB Output is correct
78 Correct 139 ms 15428 KB Output is correct
79 Correct 144 ms 15440 KB Output is correct
80 Correct 164 ms 15428 KB Output is correct
81 Correct 134 ms 15796 KB Output is correct
82 Correct 153 ms 15644 KB Output is correct
83 Correct 192 ms 20736 KB Output is correct
84 Correct 158 ms 22888 KB Output is correct
85 Correct 162 ms 22480 KB Output is correct
86 Correct 167 ms 17052 KB Output is correct
87 Correct 161 ms 16400 KB Output is correct
88 Correct 147 ms 16764 KB Output is correct
89 Correct 154 ms 16800 KB Output is correct
90 Correct 174 ms 16676 KB Output is correct
91 Correct 150 ms 16832 KB Output is correct
92 Correct 173 ms 17156 KB Output is correct
93 Correct 157 ms 19496 KB Output is correct
94 Correct 142 ms 21308 KB Output is correct
95 Correct 146 ms 19996 KB Output is correct
96 Correct 159 ms 18212 KB Output is correct
97 Correct 129 ms 16644 KB Output is correct
98 Correct 143 ms 16192 KB Output is correct
99 Correct 145 ms 15936 KB Output is correct
100 Correct 145 ms 19264 KB Output is correct
101 Correct 154 ms 17176 KB Output is correct
102 Correct 139 ms 16396 KB Output is correct
103 Correct 139 ms 16204 KB Output is correct
104 Correct 95 ms 16412 KB Output is correct
105 Correct 174 ms 25036 KB Output is correct
106 Correct 85 ms 16140 KB Output is correct
107 Correct 85 ms 16140 KB Output is correct
108 Correct 177 ms 28996 KB Output is correct
109 Correct 108 ms 16436 KB Output is correct
110 Correct 173 ms 29328 KB Output is correct
111 Correct 159 ms 15424 KB Output is correct