oj.uz

답안 #441342

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
441342 2021-07-05T02:23:00 Z zaneyu Power Plant (JOI20_power) C++14
100 / 100
 201 ms 30012 KB 
/*input
16
7 10
5 11
9 4
14 12
2 11
14 16
4 2
1 13
11 3
7 1
15 9
2 1
11 6
14 9
8 9
0111111001001110
*/
#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
typedef tree<int,null_type,less_equal<int>,rb_tree_tag,tree_order_statistics_node_update> indexed_set;
#pragma GCC target("avx,avx2,fma")
#pragma GCC optimize("Ofast,unroll-loops")
//order_of_key #of elements less than x
// find_by_order kth element
using ll=long long;
using ld=long double;
using pii=pair<int,int>;
#define f first
#define s second
#define pb push_back
#define REP(i,n) for(ll i=0;i<n;i++)
#define REP1(i,n) for(ll i=1;i<=n;i++)
#define FILL(n,x) memset(n,x,sizeof(n))
#define ALL(_a) _a.begin(),_a.end()
#define sz(x) (int)x.size()
#define SORT_UNIQUE(c) (sort(c.begin(),c.end()),c.resize(distance(c.begin(),unique(c.begin(),c.end()))))
const ll INF64=1e18+1;
const int INF=0x3f3f3f3f;
int MOD=1e9+7;
const ld PI=acos(-1);
const ld eps=1e-3;
#define lowb(x) x&(-x)
#define MNTO(x,y) x=min(x,(__typeof__(x))y)
#define MXTO(x,y) x=max(x,(__typeof__(x))y)
inline ll mult(ll a,ll b){
    if(a>=MOD) a%=MOD;
    if(b>=MOD) b%=MOD;
    return (a*b)%MOD;
}
inline ll mypow(ll a,ll b){
    if(b<=0) return 1;
    ll res=1LL;
    while(b){
        if(b&1) res=mult(res,a);
        a=mult(a,a);
        b>>=1;
    }
    return res;
}
const int maxn=2e5+5;
const int maxlg=__lg(maxn)+2;
vector<int> v[maxn];
string s;
int dp1[maxn],dp2[maxn];
void dfs(int u,int p){
    int mx=0,sum=0;
    for(int x:v[u]){
        if(x==p) continue;
        dfs(x,u);
        MXTO(mx,dp1[x]);
        sum+=dp1[x];
    }
    int z=(s[u]-'0');
    dp1[u]=max(sum-z,z);
    dp2[u]=max(mx+z,sum-z);
}
int32_t main(){
    ios::sync_with_stdio(false),cin.tie(0);
    int n;
    cin>>n;
    REP(i,n-1){
        int a,b;
        cin>>a>>b;
        --a,--b;
        v[a].pb(b);
        v[b].pb(a);
    }
    cin>>s;
    dfs(0,-1);
    int mx=0;
    REP(i,n) MXTO(mx,max(dp1[i],dp2[i]));
    cout<<mx;
}

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4940 KB Output is correct
2 Correct 3 ms 4940 KB Output is correct
3 Correct 4 ms 4940 KB Output is correct
4 Correct 3 ms 4940 KB Output is correct
5 Correct 3 ms 4940 KB Output is correct
6 Correct 4 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 4 ms 5016 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 3 ms 5020 KB Output is correct
20 Correct 4 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 3 ms 4940 KB Output is correct
2 Correct 3 ms 4940 KB Output is correct
3 Correct 4 ms 4940 KB Output is correct
4 Correct 3 ms 4940 KB Output is correct
5 Correct 3 ms 4940 KB Output is correct
6 Correct 4 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 4 ms 5016 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 3 ms 5020 KB Output is correct
20 Correct 4 ms 4940 KB Output is correct
21 Correct 3 ms 4940 KB Output is correct
22 Correct 5 ms 5068 KB Output is correct
23 Correct 4 ms 5068 KB Output is correct
24 Correct 4 ms 5032 KB Output is correct
25 Correct 4 ms 5068 KB Output is correct
26 Correct 4 ms 5028 KB Output is correct
27 Correct 5 ms 5044 KB Output is correct
28 Correct 4 ms 5068 KB Output is correct
29 Correct 4 ms 5196 KB Output is correct
30 Correct 4 ms 5156 KB Output is correct
31 Correct 4 ms 5068 KB Output is correct
32 Correct 4 ms 5024 KB Output is correct
33 Correct 4 ms 5024 KB Output is correct
34 Correct 4 ms 5068 KB Output is correct
35 Correct 4 ms 5068 KB Output is correct
36 Correct 4 ms 5068 KB Output is correct
37 Correct 4 ms 5068 KB Output is correct
38 Correct 4 ms 5068 KB Output is correct
39 Correct 4 ms 5068 KB Output is correct
40 Correct 4 ms 5068 KB Output is correct
41 Correct 4 ms 5196 KB Output is correct
42 Correct 4 ms 5068 KB Output is correct
43 Correct 4 ms 5068 KB Output is correct
44 Correct 4 ms 5164 KB Output is correct
45 Correct 4 ms 5160 KB Output is correct
46 Correct 4 ms 5028 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 5068 KB Output is correct
51 Correct 4 ms 5160 KB Output is correct
52 Correct 4 ms 5016 KB Output is correct
53 Correct 4 ms 5156 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 5024 KB Output is correct
57 Correct 5 ms 5284 KB Output is correct
58 Correct 4 ms 5068 KB Output is correct
59 Correct 4 ms 5068 KB Output is correct
60 Correct 5 ms 5196 KB Output is correct
61 Correct 4 ms 5028 KB Output is correct
62 Correct 4 ms 5160 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 3 ms 4940 KB Output is correct
2 Correct 3 ms 4940 KB Output is correct
3 Correct 4 ms 4940 KB Output is correct
4 Correct 3 ms 4940 KB Output is correct
5 Correct 3 ms 4940 KB Output is correct
6 Correct 4 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 4 ms 5016 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 3 ms 5020 KB Output is correct
20 Correct 4 ms 4940 KB Output is correct
21 Correct 3 ms 4940 KB Output is correct
22 Correct 5 ms 5068 KB Output is correct
23 Correct 4 ms 5068 KB Output is correct
24 Correct 4 ms 5032 KB Output is correct
25 Correct 4 ms 5068 KB Output is correct
26 Correct 4 ms 5028 KB Output is correct
27 Correct 5 ms 5044 KB Output is correct
28 Correct 4 ms 5068 KB Output is correct
29 Correct 4 ms 5196 KB Output is correct
30 Correct 4 ms 5156 KB Output is correct
31 Correct 4 ms 5068 KB Output is correct
32 Correct 4 ms 5024 KB Output is correct
33 Correct 4 ms 5024 KB Output is correct
34 Correct 4 ms 5068 KB Output is correct
35 Correct 4 ms 5068 KB Output is correct
36 Correct 4 ms 5068 KB Output is correct
37 Correct 4 ms 5068 KB Output is correct
38 Correct 4 ms 5068 KB Output is correct
39 Correct 4 ms 5068 KB Output is correct
40 Correct 4 ms 5068 KB Output is correct
41 Correct 4 ms 5196 KB Output is correct
42 Correct 4 ms 5068 KB Output is correct
43 Correct 4 ms 5068 KB Output is correct
44 Correct 4 ms 5164 KB Output is correct
45 Correct 4 ms 5160 KB Output is correct
46 Correct 4 ms 5028 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 5068 KB Output is correct
51 Correct 4 ms 5160 KB Output is correct
52 Correct 4 ms 5016 KB Output is correct
53 Correct 4 ms 5156 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 5024 KB Output is correct
57 Correct 5 ms 5284 KB Output is correct
58 Correct 4 ms 5068 KB Output is correct
59 Correct 4 ms 5068 KB Output is correct
60 Correct 5 ms 5196 KB Output is correct
61 Correct 4 ms 5028 KB Output is correct
62 Correct 4 ms 5160 KB Output is correct
63 Correct 4 ms 5068 KB Output is correct
64 Correct 166 ms 13648 KB Output is correct
65 Correct 154 ms 13632 KB Output is correct
66 Correct 165 ms 13652 KB Output is correct
67 Correct 156 ms 13532 KB Output is correct
68 Correct 148 ms 13648 KB Output is correct
69 Correct 201 ms 13540 KB Output is correct
70 Correct 155 ms 13620 KB Output is correct
71 Correct 149 ms 13572 KB Output is correct
72 Correct 155 ms 13568 KB Output is correct
73 Correct 168 ms 28804 KB Output is correct
74 Correct 172 ms 28664 KB Output is correct
75 Correct 142 ms 13448 KB Output is correct
76 Correct 140 ms 13432 KB Output is correct
77 Correct 160 ms 13448 KB Output is correct
78 Correct 150 ms 13468 KB Output is correct
79 Correct 151 ms 13516 KB Output is correct
80 Correct 153 ms 13516 KB Output is correct
81 Correct 131 ms 14040 KB Output is correct
82 Correct 137 ms 13764 KB Output is correct
83 Correct 168 ms 19768 KB Output is correct
84 Correct 156 ms 22288 KB Output is correct
85 Correct 167 ms 21920 KB Output is correct
86 Correct 150 ms 15188 KB Output is correct
87 Correct 147 ms 14464 KB Output is correct
88 Correct 142 ms 14884 KB Output is correct
89 Correct 152 ms 15024 KB Output is correct
90 Correct 145 ms 14772 KB Output is correct
91 Correct 147 ms 15012 KB Output is correct
92 Correct 148 ms 15344 KB Output is correct
93 Correct 151 ms 18556 KB Output is correct
94 Correct 132 ms 20512 KB Output is correct
95 Correct 133 ms 18748 KB Output is correct
96 Correct 143 ms 16568 KB Output is correct
97 Correct 161 ms 14952 KB Output is correct
98 Correct 135 ms 14132 KB Output is correct
99 Correct 147 ms 13928 KB Output is correct
100 Correct 139 ms 17752 KB Output is correct
101 Correct 156 ms 15348 KB Output is correct
102 Correct 136 ms 14404 KB Output is correct
103 Correct 165 ms 14116 KB Output is correct
104 Correct 95 ms 14316 KB Output is correct
105 Correct 169 ms 24896 KB Output is correct
106 Correct 86 ms 14388 KB Output is correct
107 Correct 85 ms 14384 KB Output is correct
108 Correct 168 ms 29644 KB Output is correct
109 Correct 90 ms 14436 KB Output is correct
110 Correct 172 ms 30012 KB Output is correct
111 Correct 151 ms 13524 KB Output is correct