답안 #92055 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
92055	2019-01-01T10:04:48 Z	Kamisama	Election Campaign (JOI15_election_campaign)	C++14	100 / 100	293 ms	25080 KB

election_campaign

#include <iostream>
#include <vector>
using namespace std;
const int maxn=1e5+7;
int n,m;
int par[maxn],lv[maxn],f[maxn][18];
int in[maxn],out[maxn],bit[maxn],dp[maxn];
vector<int> adj[maxn],road[maxn];
struct Query{int a,b,c;}q[maxn];
inline void Dfs(const int &u,const int &p){
    static int nVisit=0;
    in[u]=++nVisit;
    par[u]=p;
    lv[u]=lv[p]+1;
    f[u][0]=p;
    for(int i=1;i<18;i++) f[u][i]=f[f[u][i-1]][i-1];
    for(int v: adj[u]) if(v!=p) Dfs(v,u);
    out[u]=nVisit;
}
inline int Jump(int u,int k){for(int cur=0;k;k>>=1,cur++) if(k&1) u=f[u][cur];return u;}
inline int Lca(int u,int v){
    if(lv[u]>lv[v]) swap(u,v);
    v=Jump(v,lv[v]-lv[u]);
    if(u==v) return u;
    for(int i=17;i>=0;i--) if(f[u][i]!=f[v][i]) u=f[u][i],v=f[v][i];
    return par[u];
}
inline void Update(int x,const int &val){for(;x<=n;x+=x&-x) bit[x]+=val;}
inline int Get(int x){int res=0;for(;x;x-=x&-x) res+=bit[x];return res;}
inline void Solve(const int &u,const int &p){
    int sumChild=0;
    for(int v: adj[u]) if(v!=p){
        Solve(v,u);
        sumChild+=dp[v];
    }
    dp[u]=sumChild;
    for(int i: road[u]){
        int a=q[i].a,b=q[i].b,c=q[i].c;
        dp[u]=max(dp[u],sumChild+Get(in[a])+Get(in[b])+c);
    }
    Update(in[u],sumChild-dp[u]); Update(out[u]+1,dp[u]-sumChild);
}
inline void Read(int &x){register char c;for(c=getchar();c>'9'||c<'0';c=getchar());for(x=0;'0'<=c&&c<='9';c=getchar()) x=x*10+c-'0';}
inline void Write(const int &x){if(x>9) Write(x/10);putchar(x%10+'0');}
int main(){
    Read(n);
    for(int i=1;i<n;i++){
        int u,v;
        Read(u); Read(v);
        adj[u].push_back(v);
        adj[v].push_back(u);
    } Dfs(1,0); Read(m);
    for(int i=1;i<=m;i++){
        Read(q[i].a);Read(q[i].b);Read(q[i].c);
        road[Lca(q[i].a,q[i].b)].push_back(i);
    } Solve(1,0); Write(dp[1]);
    return 0;
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	5112 KB	Output is correct
2	Correct	6 ms	5112 KB	Output is correct
3	Correct	5 ms	4984 KB	Output is correct
4	Correct	6 ms	5240 KB	Output is correct
5	Correct	126 ms	17692 KB	Output is correct
6	Correct	48 ms	22648 KB	Output is correct
7	Correct	104 ms	21084 KB	Output is correct
8	Correct	87 ms	18172 KB	Output is correct
9	Correct	106 ms	19960 KB	Output is correct
10	Correct	94 ms	18184 KB	Output is correct

Subtask #2
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	4984 KB	Output is correct
2	Correct	5 ms	4984 KB	Output is correct
3	Correct	6 ms	5240 KB	Output is correct
4	Correct	98 ms	25080 KB	Output is correct
5	Correct	106 ms	25060 KB	Output is correct
6	Correct	78 ms	24960 KB	Output is correct
7	Correct	93 ms	24952 KB	Output is correct
8	Correct	89 ms	25080 KB	Output is correct
9	Correct	86 ms	25080 KB	Output is correct
10	Correct	87 ms	24952 KB	Output is correct

Subtask #3
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	4984 KB	Output is correct
2	Correct	5 ms	4984 KB	Output is correct
3	Correct	6 ms	5240 KB	Output is correct
4	Correct	98 ms	25080 KB	Output is correct
5	Correct	106 ms	25060 KB	Output is correct
6	Correct	78 ms	24960 KB	Output is correct
7	Correct	93 ms	24952 KB	Output is correct
8	Correct	89 ms	25080 KB	Output is correct
9	Correct	86 ms	25080 KB	Output is correct
10	Correct	87 ms	24952 KB	Output is correct
11	Correct	12 ms	5880 KB	Output is correct
12	Correct	98 ms	24924 KB	Output is correct
13	Correct	106 ms	24980 KB	Output is correct
14	Correct	100 ms	25080 KB	Output is correct
15	Correct	133 ms	24952 KB	Output is correct
16	Correct	106 ms	24940 KB	Output is correct
17	Correct	137 ms	24952 KB	Output is correct
18	Correct	117 ms	25080 KB	Output is correct
19	Correct	126 ms	24952 KB	Output is correct
20	Correct	107 ms	24912 KB	Output is correct

Subtask #4
30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	146 ms	19428 KB	Output is correct
2	Correct	86 ms	24824 KB	Output is correct
3	Correct	293 ms	22824 KB	Output is correct
4	Correct	134 ms	19704 KB	Output is correct
5	Correct	198 ms	22580 KB	Output is correct
6	Correct	109 ms	19700 KB	Output is correct
7	Correct	234 ms	22392 KB	Output is correct
8	Correct	188 ms	19796 KB	Output is correct
9	Correct	108 ms	24972 KB	Output is correct
10	Correct	197 ms	21772 KB	Output is correct

Subtask #5
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	5112 KB	Output is correct
2	Correct	6 ms	5112 KB	Output is correct
3	Correct	5 ms	4984 KB	Output is correct
4	Correct	6 ms	5240 KB	Output is correct
5	Correct	126 ms	17692 KB	Output is correct
6	Correct	48 ms	22648 KB	Output is correct
7	Correct	104 ms	21084 KB	Output is correct
8	Correct	87 ms	18172 KB	Output is correct
9	Correct	106 ms	19960 KB	Output is correct
10	Correct	94 ms	18184 KB	Output is correct
11	Correct	6 ms	5240 KB	Output is correct
12	Correct	6 ms	5240 KB	Output is correct
13	Correct	7 ms	5240 KB	Output is correct
14	Correct	6 ms	5240 KB	Output is correct
15	Correct	6 ms	5240 KB	Output is correct
16	Correct	6 ms	5244 KB	Output is correct
17	Correct	6 ms	5240 KB	Output is correct
18	Correct	6 ms	5368 KB	Output is correct
19	Correct	6 ms	5240 KB	Output is correct
20	Correct	6 ms	5240 KB	Output is correct

Subtask #6
40.0 / 40.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	5112 KB	Output is correct
2	Correct	6 ms	5112 KB	Output is correct
3	Correct	5 ms	4984 KB	Output is correct
4	Correct	6 ms	5240 KB	Output is correct
5	Correct	126 ms	17692 KB	Output is correct
6	Correct	48 ms	22648 KB	Output is correct
7	Correct	104 ms	21084 KB	Output is correct
8	Correct	87 ms	18172 KB	Output is correct
9	Correct	106 ms	19960 KB	Output is correct
10	Correct	94 ms	18184 KB	Output is correct
11	Correct	5 ms	4984 KB	Output is correct
12	Correct	5 ms	4984 KB	Output is correct
13	Correct	6 ms	5240 KB	Output is correct
14	Correct	98 ms	25080 KB	Output is correct
15	Correct	106 ms	25060 KB	Output is correct
16	Correct	78 ms	24960 KB	Output is correct
17	Correct	93 ms	24952 KB	Output is correct
18	Correct	89 ms	25080 KB	Output is correct
19	Correct	86 ms	25080 KB	Output is correct
20	Correct	87 ms	24952 KB	Output is correct
21	Correct	12 ms	5880 KB	Output is correct
22	Correct	98 ms	24924 KB	Output is correct
23	Correct	106 ms	24980 KB	Output is correct
24	Correct	100 ms	25080 KB	Output is correct
25	Correct	133 ms	24952 KB	Output is correct
26	Correct	106 ms	24940 KB	Output is correct
27	Correct	137 ms	24952 KB	Output is correct
28	Correct	117 ms	25080 KB	Output is correct
29	Correct	126 ms	24952 KB	Output is correct
30	Correct	107 ms	24912 KB	Output is correct
31	Correct	146 ms	19428 KB	Output is correct
32	Correct	86 ms	24824 KB	Output is correct
33	Correct	293 ms	22824 KB	Output is correct
34	Correct	134 ms	19704 KB	Output is correct
35	Correct	198 ms	22580 KB	Output is correct
36	Correct	109 ms	19700 KB	Output is correct
37	Correct	234 ms	22392 KB	Output is correct
38	Correct	188 ms	19796 KB	Output is correct
39	Correct	108 ms	24972 KB	Output is correct
40	Correct	197 ms	21772 KB	Output is correct
41	Correct	6 ms	5240 KB	Output is correct
42	Correct	6 ms	5240 KB	Output is correct
43	Correct	7 ms	5240 KB	Output is correct
44	Correct	6 ms	5240 KB	Output is correct
45	Correct	6 ms	5240 KB	Output is correct
46	Correct	6 ms	5244 KB	Output is correct
47	Correct	6 ms	5240 KB	Output is correct
48	Correct	6 ms	5368 KB	Output is correct
49	Correct	6 ms	5240 KB	Output is correct
50	Correct	6 ms	5240 KB	Output is correct
51	Correct	191 ms	19820 KB	Output is correct
52	Correct	120 ms	24796 KB	Output is correct
53	Correct	237 ms	21744 KB	Output is correct
54	Correct	130 ms	19844 KB	Output is correct
55	Correct	158 ms	19696 KB	Output is correct
56	Correct	97 ms	24824 KB	Output is correct
57	Correct	150 ms	22312 KB	Output is correct
58	Correct	95 ms	19740 KB	Output is correct
59	Correct	138 ms	19784 KB	Output is correct
60	Correct	124 ms	24828 KB	Output is correct
61	Correct	245 ms	22456 KB	Output is correct
62	Correct	106 ms	19760 KB	Output is correct
63	Correct	175 ms	19404 KB	Output is correct
64	Correct	132 ms	24824 KB	Output is correct
65	Correct	254 ms	22392 KB	Output is correct
66	Correct	93 ms	19768 KB	Output is correct
67	Correct	129 ms	19512 KB	Output is correct
68	Correct	115 ms	24924 KB	Output is correct
69	Correct	192 ms	21724 KB	Output is correct
70	Correct	130 ms	19784 KB	Output is correct

답안 #92055

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 5.0 / 5.0

Subtask #3 5.0 / 5.0

Subtask #4 30.0 / 30.0

Subtask #5 10.0 / 10.0

Subtask #6 40.0 / 40.0

Subtask #1
10.0 / 10.0

Subtask #2
5.0 / 5.0

Subtask #3
5.0 / 5.0

Subtask #4
30.0 / 30.0

Subtask #5
10.0 / 10.0

Subtask #6
40.0 / 40.0