oj.uz

답안 #317226

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
317226 2020-10-29T06:37:46 Z tasfiq4 Power Plant (JOI20_power) C++14
100 / 100
 221 ms 29112 KB 
#include <bits/stdc++.h>
using namespace std;
typedef pair<int,int > pii;
typedef long long int lld;
#define pi acos(-1)
#define fr(i,m,n) for(i=m;i<n;i++)
#define fu(i,m,n) for(i=m;i>=n;i--)
#define vec vector<int>
#define pb push_back
#define pp pop_back()
#define ft first
#define sd second
#define all(v) v.begin(),v.end()
#define mom(ara) memset(ara,0,sizeof(ara));
#define m1m(ara) memset(ara,-1,sizeof(ara));
#define endl "\n"
#define eps 1.19209e-07
vec adj[200010];
int val[200010],dp[200010],ans=0;
void dfs(int u ,int p)
{
	int sum=0,mx=0;
	for(auto v:adj[u])
	{
		if(v==p) continue;
		dfs(v,u);
		sum+=dp[v];
		mx=max(mx,dp[v]);
	}	
	if(val[u]) ans=max(ans,max(mx+1,sum-1));
	else ans=max(ans,sum);
	dp[u]=max(val[u],sum-val[u]);
}
int main()
{ios_base::sync_with_stdio(0);cout.tie(0);cin.tie(0);
    int i,j,k,a,b,c,x,y,z,n,m,t;
    cin>>n;
    string s;
    fr(i,1,n){
    	cin>>a>>b;
    	adj[a].pb(b);
    	adj[b].pb(a);
    }
    getline(cin,s);
    cin>>s;
    fr(i,0,s.size())
    {
    	if(s[i]=='1') val[i+1]=1;
    }
    dfs(1,0);
    cout<<ans<<endl;
}

Compilation message

power.cpp: In function 'int main()':
power.cpp:6:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    6 | #define fr(i,m,n) for(i=m;i<n;i++)
......
   46 |     fr(i,0,s.size())
      |        ~~~~~~~~~~~~         
power.cpp:46:5: note: in expansion of macro 'fr'
   46 |     fr(i,0,s.size())
      |     ^~
power.cpp:36:11: warning: unused variable 'j' [-Wunused-variable]
   36 |     int i,j,k,a,b,c,x,y,z,n,m,t;
      |           ^
power.cpp:36:13: warning: unused variable 'k' [-Wunused-variable]
   36 |     int i,j,k,a,b,c,x,y,z,n,m,t;
      |             ^
power.cpp:36:19: warning: unused variable 'c' [-Wunused-variable]
   36 |     int i,j,k,a,b,c,x,y,z,n,m,t;
      |                   ^
power.cpp:36:21: warning: unused variable 'x' [-Wunused-variable]
   36 |     int i,j,k,a,b,c,x,y,z,n,m,t;
      |                     ^
power.cpp:36:23: warning: unused variable 'y' [-Wunused-variable]
   36 |     int i,j,k,a,b,c,x,y,z,n,m,t;
      |                       ^
power.cpp:36:25: warning: unused variable 'z' [-Wunused-variable]
   36 |     int i,j,k,a,b,c,x,y,z,n,m,t;
      |                         ^
power.cpp:36:29: warning: unused variable 'm' [-Wunused-variable]
   36 |     int i,j,k,a,b,c,x,y,z,n,m,t;
      |                             ^
power.cpp:36:31: warning: unused variable 't' [-Wunused-variable]
   36 |     int i,j,k,a,b,c,x,y,z,n,m,t;
      |                               ^

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 4992 KB Output is correct
2 Correct 4 ms 4992 KB Output is correct
3 Correct 4 ms 4992 KB Output is correct
4 Correct 4 ms 4992 KB Output is correct
5 Correct 4 ms 4992 KB Output is correct
6 Correct 4 ms 4992 KB Output is correct
7 Correct 4 ms 4992 KB Output is correct
8 Correct 4 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 3 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 3 ms 4992 KB Output is correct
17 Correct 4 ms 5120 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

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 4992 KB Output is correct
2 Correct 4 ms 4992 KB Output is correct
3 Correct 4 ms 4992 KB Output is correct
4 Correct 4 ms 4992 KB Output is correct
5 Correct 4 ms 4992 KB Output is correct
6 Correct 4 ms 4992 KB Output is correct
7 Correct 4 ms 4992 KB Output is correct
8 Correct 4 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 3 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 3 ms 4992 KB Output is correct
17 Correct 4 ms 5120 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 5 ms 5120 KB Output is correct
23 Correct 5 ms 5120 KB Output is correct
24 Correct 4 ms 5120 KB Output is correct
25 Correct 5 ms 5120 KB Output is correct
26 Correct 4 ms 5120 KB Output is correct
27 Correct 5 ms 5120 KB Output is correct
28 Correct 4 ms 5120 KB Output is correct
29 Correct 5 ms 5248 KB Output is correct
30 Correct 5 ms 5248 KB Output is correct
31 Correct 5 ms 5120 KB Output is correct
32 Correct 4 ms 5120 KB Output is correct
33 Correct 5 ms 5120 KB Output is correct
34 Correct 6 ms 5248 KB Output is correct
35 Correct 4 ms 5120 KB Output is correct
36 Correct 4 ms 5120 KB Output is correct
37 Correct 5 ms 5248 KB Output is correct
38 Correct 4 ms 5120 KB Output is correct
39 Correct 5 ms 5248 KB Output is correct
40 Correct 4 ms 5120 KB Output is correct
41 Correct 4 ms 5248 KB Output is correct
42 Correct 5 ms 5120 KB Output is correct
43 Correct 4 ms 5120 KB Output is correct
44 Correct 4 ms 5120 KB Output is correct
45 Correct 5 ms 5120 KB Output is correct
46 Correct 4 ms 5120 KB Output is correct
47 Correct 4 ms 5120 KB Output is correct
48 Correct 4 ms 5248 KB Output is correct
49 Correct 5 ms 5248 KB Output is correct
50 Correct 4 ms 5120 KB Output is correct
51 Correct 4 ms 5120 KB Output is correct
52 Correct 4 ms 5120 KB Output is correct
53 Correct 4 ms 5120 KB Output is correct
54 Correct 4 ms 5120 KB Output is correct
55 Correct 4 ms 5120 KB Output is correct
56 Correct 4 ms 5120 KB Output is correct
57 Correct 4 ms 5248 KB Output is correct
58 Correct 4 ms 5120 KB Output is correct
59 Correct 4 ms 5120 KB Output is correct
60 Correct 4 ms 5248 KB Output is correct
61 Correct 5 ms 5120 KB Output is correct
62 Correct 5 ms 5280 KB Output is correct
63 Correct 5 ms 5120 KB Output is correct

Subtask #3
53.0 / 53.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 4992 KB Output is correct
2 Correct 4 ms 4992 KB Output is correct
3 Correct 4 ms 4992 KB Output is correct
4 Correct 4 ms 4992 KB Output is correct
5 Correct 4 ms 4992 KB Output is correct
6 Correct 4 ms 4992 KB Output is correct
7 Correct 4 ms 4992 KB Output is correct
8 Correct 4 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 3 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 3 ms 4992 KB Output is correct
17 Correct 4 ms 5120 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 5 ms 5120 KB Output is correct
23 Correct 5 ms 5120 KB Output is correct
24 Correct 4 ms 5120 KB Output is correct
25 Correct 5 ms 5120 KB Output is correct
26 Correct 4 ms 5120 KB Output is correct
27 Correct 5 ms 5120 KB Output is correct
28 Correct 4 ms 5120 KB Output is correct
29 Correct 5 ms 5248 KB Output is correct
30 Correct 5 ms 5248 KB Output is correct
31 Correct 5 ms 5120 KB Output is correct
32 Correct 4 ms 5120 KB Output is correct
33 Correct 5 ms 5120 KB Output is correct
34 Correct 6 ms 5248 KB Output is correct
35 Correct 4 ms 5120 KB Output is correct
36 Correct 4 ms 5120 KB Output is correct
37 Correct 5 ms 5248 KB Output is correct
38 Correct 4 ms 5120 KB Output is correct
39 Correct 5 ms 5248 KB Output is correct
40 Correct 4 ms 5120 KB Output is correct
41 Correct 4 ms 5248 KB Output is correct
42 Correct 5 ms 5120 KB Output is correct
43 Correct 4 ms 5120 KB Output is correct
44 Correct 4 ms 5120 KB Output is correct
45 Correct 5 ms 5120 KB Output is correct
46 Correct 4 ms 5120 KB Output is correct
47 Correct 4 ms 5120 KB Output is correct
48 Correct 4 ms 5248 KB Output is correct
49 Correct 5 ms 5248 KB Output is correct
50 Correct 4 ms 5120 KB Output is correct
51 Correct 4 ms 5120 KB Output is correct
52 Correct 4 ms 5120 KB Output is correct
53 Correct 4 ms 5120 KB Output is correct
54 Correct 4 ms 5120 KB Output is correct
55 Correct 4 ms 5120 KB Output is correct
56 Correct 4 ms 5120 KB Output is correct
57 Correct 4 ms 5248 KB Output is correct
58 Correct 4 ms 5120 KB Output is correct
59 Correct 4 ms 5120 KB Output is correct
60 Correct 4 ms 5248 KB Output is correct
61 Correct 5 ms 5120 KB Output is correct
62 Correct 5 ms 5280 KB Output is correct
63 Correct 5 ms 5120 KB Output is correct
64 Correct 176 ms 16188 KB Output is correct
65 Correct 173 ms 16056 KB Output is correct
66 Correct 176 ms 16036 KB Output is correct
67 Correct 173 ms 16056 KB Output is correct
68 Correct 173 ms 16036 KB Output is correct
69 Correct 173 ms 16180 KB Output is correct
70 Correct 173 ms 15940 KB Output is correct
71 Correct 169 ms 15940 KB Output is correct
72 Correct 174 ms 15244 KB Output is correct
73 Correct 208 ms 28596 KB Output is correct
74 Correct 193 ms 28728 KB Output is correct
75 Correct 172 ms 15928 KB Output is correct
76 Correct 180 ms 15952 KB Output is correct
77 Correct 180 ms 15924 KB Output is correct
78 Correct 219 ms 15928 KB Output is correct
79 Correct 177 ms 15936 KB Output is correct
80 Correct 181 ms 15880 KB Output is correct
81 Correct 146 ms 16372 KB Output is correct
82 Correct 170 ms 16120 KB Output is correct
83 Correct 192 ms 21052 KB Output is correct
84 Correct 186 ms 23240 KB Output is correct
85 Correct 186 ms 22980 KB Output is correct
86 Correct 177 ms 17336 KB Output is correct
87 Correct 171 ms 16820 KB Output is correct
88 Correct 162 ms 17268 KB Output is correct
89 Correct 162 ms 17224 KB Output is correct
90 Correct 169 ms 17052 KB Output is correct
91 Correct 162 ms 17208 KB Output is correct
92 Correct 169 ms 17600 KB Output is correct
93 Correct 153 ms 19972 KB Output is correct
94 Correct 151 ms 21744 KB Output is correct
95 Correct 149 ms 20464 KB Output is correct
96 Correct 159 ms 18724 KB Output is correct
97 Correct 162 ms 17172 KB Output is correct
98 Correct 151 ms 16616 KB Output is correct
99 Correct 173 ms 16436 KB Output is correct
100 Correct 155 ms 19492 KB Output is correct
101 Correct 160 ms 17460 KB Output is correct
102 Correct 157 ms 16712 KB Output is correct
103 Correct 163 ms 16600 KB Output is correct
104 Correct 96 ms 16108 KB Output is correct
105 Correct 221 ms 24632 KB Output is correct
106 Correct 99 ms 16780 KB Output is correct
107 Correct 99 ms 16744 KB Output is correct
108 Correct 197 ms 28600 KB Output is correct
109 Correct 103 ms 16104 KB Output is correct
110 Correct 197 ms 29112 KB Output is correct
111 Correct 161 ms 15908 KB Output is correct