답안 #677575

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
677575	2023-01-03T19:04:27 Z	MarcuMihai	Power Plant (JOI20_power)	C++14	100 / 100	237 ms	31380 KB

power

#include <bits/stdc++.h>

using namespace std;

int n;
vector <int> v[200005];
int dp[200005];
int gen[200005];
int maxim=0;

void DFS(int nod, int tata)
{
    if(gen[nod]==1)
        dp[nod]=1;
    int mxx=0;
    int sum=0;
    for(int x=0; x<v[nod].size(); ++x)
    {
        int fiu=v[nod][x];
        if(fiu!=tata)
        {
            DFS(fiu, nod);
            mxx=max(mxx, dp[fiu]);
            if(gen[nod]==1)
                maxim=max(maxim, mxx+1);
            sum+=dp[fiu];
        }
    }
    if(gen[nod]==1)
        sum-=1;
    dp[nod]=max(dp[nod], sum);
    maxim=max(maxim, dp[nod]);
}


int main()
{
    cin>>n;
    for(int i=1; i<n; ++i)
    {
        int x,y;
        cin>>x>>y;
        v[x].push_back(y);
        v[y].push_back(x);
    }
    for(int i=1; i<=n; ++i)
    {
        char x;
        cin>>x;
        if(x=='1')
            gen[i]=1;
    }
    DFS(1,0);
    cout<<maxim;

    return 0;
}

Compilation message

power.cpp: In function 'void DFS(int, int)':
power.cpp:17:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |     for(int x=0; x<v[nod].size(); ++x)
      |                  ~^~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	5004 KB	Output is correct
2	Correct	4 ms	4948 KB	Output is correct
3	Correct	3 ms	4948 KB	Output is correct
4	Correct	2 ms	5004 KB	Output is correct
5	Correct	3 ms	4948 KB	Output is correct
6	Correct	3 ms	4992 KB	Output is correct
7	Correct	2 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	4920 KB	Output is correct
12	Correct	3 ms	4948 KB	Output is correct
13	Correct	3 ms	5000 KB	Output is correct
14	Correct	3 ms	5004 KB	Output is correct
15	Correct	4 ms	5000 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	4948 KB	Output is correct
19	Correct	2 ms	4948 KB	Output is correct
20	Correct	3 ms	4948 KB	Output is correct
21	Correct	2 ms	4948 KB	Output is correct

Subtask #2
41.0 / 41.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	5004 KB	Output is correct
2	Correct	4 ms	4948 KB	Output is correct
3	Correct	3 ms	4948 KB	Output is correct
4	Correct	2 ms	5004 KB	Output is correct
5	Correct	3 ms	4948 KB	Output is correct
6	Correct	3 ms	4992 KB	Output is correct
7	Correct	2 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	4920 KB	Output is correct
12	Correct	3 ms	4948 KB	Output is correct
13	Correct	3 ms	5000 KB	Output is correct
14	Correct	3 ms	5004 KB	Output is correct
15	Correct	4 ms	5000 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	4948 KB	Output is correct
19	Correct	2 ms	4948 KB	Output is correct
20	Correct	3 ms	4948 KB	Output is correct
21	Correct	2 ms	4948 KB	Output is correct
22	Correct	4 ms	5076 KB	Output is correct
23	Correct	4 ms	5020 KB	Output is correct
24	Correct	5 ms	5076 KB	Output is correct
25	Correct	4 ms	5076 KB	Output is correct
26	Correct	4 ms	5076 KB	Output is correct
27	Correct	4 ms	5016 KB	Output is correct
28	Correct	4 ms	5016 KB	Output is correct
29	Correct	4 ms	5144 KB	Output is correct
30	Correct	4 ms	5204 KB	Output is correct
31	Correct	4 ms	5076 KB	Output is correct
32	Correct	6 ms	5012 KB	Output is correct
33	Correct	4 ms	5016 KB	Output is correct
34	Correct	4 ms	5076 KB	Output is correct
35	Correct	4 ms	5012 KB	Output is correct
36	Correct	4 ms	5076 KB	Output is correct
37	Correct	4 ms	5076 KB	Output is correct
38	Correct	4 ms	5076 KB	Output is correct
39	Correct	4 ms	5136 KB	Output is correct
40	Correct	4 ms	5076 KB	Output is correct
41	Correct	4 ms	5076 KB	Output is correct
42	Correct	4 ms	5072 KB	Output is correct
43	Correct	4 ms	5076 KB	Output is correct
44	Correct	4 ms	5076 KB	Output is correct
45	Correct	4 ms	5072 KB	Output is correct
46	Correct	4 ms	5076 KB	Output is correct
47	Correct	4 ms	5012 KB	Output is correct
48	Correct	4 ms	5140 KB	Output is correct
49	Correct	4 ms	5076 KB	Output is correct
50	Correct	4 ms	5076 KB	Output is correct
51	Correct	4 ms	5012 KB	Output is correct
52	Correct	4 ms	5076 KB	Output is correct
53	Correct	4 ms	5148 KB	Output is correct
54	Correct	4 ms	5076 KB	Output is correct
55	Correct	4 ms	5072 KB	Output is correct
56	Correct	4 ms	5024 KB	Output is correct
57	Correct	4 ms	5204 KB	Output is correct
58	Correct	4 ms	5032 KB	Output is correct
59	Correct	4 ms	5076 KB	Output is correct
60	Correct	4 ms	5204 KB	Output is correct
61	Correct	4 ms	5016 KB	Output is correct
62	Correct	4 ms	5204 KB	Output is correct
63	Correct	4 ms	5072 KB	Output is correct

Subtask #3
53.0 / 53.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	5004 KB	Output is correct
2	Correct	4 ms	4948 KB	Output is correct
3	Correct	3 ms	4948 KB	Output is correct
4	Correct	2 ms	5004 KB	Output is correct
5	Correct	3 ms	4948 KB	Output is correct
6	Correct	3 ms	4992 KB	Output is correct
7	Correct	2 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	4920 KB	Output is correct
12	Correct	3 ms	4948 KB	Output is correct
13	Correct	3 ms	5000 KB	Output is correct
14	Correct	3 ms	5004 KB	Output is correct
15	Correct	4 ms	5000 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	4948 KB	Output is correct
19	Correct	2 ms	4948 KB	Output is correct
20	Correct	3 ms	4948 KB	Output is correct
21	Correct	2 ms	4948 KB	Output is correct
22	Correct	4 ms	5076 KB	Output is correct
23	Correct	4 ms	5020 KB	Output is correct
24	Correct	5 ms	5076 KB	Output is correct
25	Correct	4 ms	5076 KB	Output is correct
26	Correct	4 ms	5076 KB	Output is correct
27	Correct	4 ms	5016 KB	Output is correct
28	Correct	4 ms	5016 KB	Output is correct
29	Correct	4 ms	5144 KB	Output is correct
30	Correct	4 ms	5204 KB	Output is correct
31	Correct	4 ms	5076 KB	Output is correct
32	Correct	6 ms	5012 KB	Output is correct
33	Correct	4 ms	5016 KB	Output is correct
34	Correct	4 ms	5076 KB	Output is correct
35	Correct	4 ms	5012 KB	Output is correct
36	Correct	4 ms	5076 KB	Output is correct
37	Correct	4 ms	5076 KB	Output is correct
38	Correct	4 ms	5076 KB	Output is correct
39	Correct	4 ms	5136 KB	Output is correct
40	Correct	4 ms	5076 KB	Output is correct
41	Correct	4 ms	5076 KB	Output is correct
42	Correct	4 ms	5072 KB	Output is correct
43	Correct	4 ms	5076 KB	Output is correct
44	Correct	4 ms	5076 KB	Output is correct
45	Correct	4 ms	5072 KB	Output is correct
46	Correct	4 ms	5076 KB	Output is correct
47	Correct	4 ms	5012 KB	Output is correct
48	Correct	4 ms	5140 KB	Output is correct
49	Correct	4 ms	5076 KB	Output is correct
50	Correct	4 ms	5076 KB	Output is correct
51	Correct	4 ms	5012 KB	Output is correct
52	Correct	4 ms	5076 KB	Output is correct
53	Correct	4 ms	5148 KB	Output is correct
54	Correct	4 ms	5076 KB	Output is correct
55	Correct	4 ms	5072 KB	Output is correct
56	Correct	4 ms	5024 KB	Output is correct
57	Correct	4 ms	5204 KB	Output is correct
58	Correct	4 ms	5032 KB	Output is correct
59	Correct	4 ms	5076 KB	Output is correct
60	Correct	4 ms	5204 KB	Output is correct
61	Correct	4 ms	5016 KB	Output is correct
62	Correct	4 ms	5204 KB	Output is correct
63	Correct	4 ms	5072 KB	Output is correct
64	Correct	194 ms	15616 KB	Output is correct
65	Correct	226 ms	15648 KB	Output is correct
66	Correct	197 ms	15628 KB	Output is correct
67	Correct	202 ms	15592 KB	Output is correct
68	Correct	201 ms	15636 KB	Output is correct
69	Correct	191 ms	15640 KB	Output is correct
70	Correct	196 ms	15748 KB	Output is correct
71	Correct	195 ms	15632 KB	Output is correct
72	Correct	199 ms	15048 KB	Output is correct
73	Correct	228 ms	30812 KB	Output is correct
74	Correct	218 ms	30656 KB	Output is correct
75	Correct	197 ms	15632 KB	Output is correct
76	Correct	192 ms	15544 KB	Output is correct
77	Correct	203 ms	15516 KB	Output is correct
78	Correct	210 ms	15612 KB	Output is correct
79	Correct	204 ms	15524 KB	Output is correct
80	Correct	192 ms	15520 KB	Output is correct
81	Correct	184 ms	15900 KB	Output is correct
82	Correct	188 ms	15744 KB	Output is correct
83	Correct	206 ms	21688 KB	Output is correct
84	Correct	213 ms	24364 KB	Output is correct
85	Correct	205 ms	23836 KB	Output is correct
86	Correct	192 ms	17252 KB	Output is correct
87	Correct	197 ms	16496 KB	Output is correct
88	Correct	189 ms	16972 KB	Output is correct
89	Correct	185 ms	16908 KB	Output is correct
90	Correct	199 ms	16656 KB	Output is correct
91	Correct	190 ms	16944 KB	Output is correct
92	Correct	190 ms	17328 KB	Output is correct
93	Correct	179 ms	20332 KB	Output is correct
94	Correct	183 ms	22436 KB	Output is correct
95	Correct	184 ms	20744 KB	Output is correct
96	Correct	184 ms	18636 KB	Output is correct
97	Correct	188 ms	16772 KB	Output is correct
98	Correct	189 ms	16116 KB	Output is correct
99	Correct	202 ms	15884 KB	Output is correct
100	Correct	193 ms	19804 KB	Output is correct
101	Correct	189 ms	17368 KB	Output is correct
102	Correct	211 ms	16424 KB	Output is correct
103	Correct	191 ms	16148 KB	Output is correct
104	Correct	151 ms	15676 KB	Output is correct
105	Correct	224 ms	26200 KB	Output is correct
106	Correct	147 ms	16172 KB	Output is correct
107	Correct	149 ms	16300 KB	Output is correct
108	Correct	211 ms	30856 KB	Output is correct
109	Correct	150 ms	15548 KB	Output is correct
110	Correct	237 ms	31380 KB	Output is correct
111	Correct	189 ms	15456 KB	Output is correct

답안 #677575

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 41.0 / 41.0

Subtask #3 53.0 / 53.0

Subtask #1
6.0 / 6.0

Subtask #2
41.0 / 41.0

Subtask #3
53.0 / 53.0