답안 #92052 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
92052	2019-01-01T10:00:27 Z	Kamisama	Election Campaign (JOI15_election_campaign)	C++14	100 / 100	409 ms	27768 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);
}

int main(){
    cin>>n;
    for(int i=1;i<n;i++){
        int u,v;
        cin>>u>>v;
        adj[u].push_back(v);
        adj[v].push_back(u);
    }
    Dfs(1,0);
    cin>>m;
    for(int i=1;i<=m;i++){
        cin>>q[i].a>>q[i].b>>q[i].c;
        road[Lca(q[i].a,q[i].b)].push_back(i);
    }
    Solve(1,0);
    cout<<dp[1];
    return 0;
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	4984 KB	Output is correct
2	Correct	5 ms	5112 KB	Output is correct
3	Correct	6 ms	5112 KB	Output is correct
4	Correct	7 ms	5240 KB	Output is correct
5	Correct	152 ms	18928 KB	Output is correct
6	Correct	103 ms	23672 KB	Output is correct
7	Correct	174 ms	22024 KB	Output is correct
8	Correct	109 ms	19192 KB	Output is correct
9	Correct	161 ms	21104 KB	Output is correct
10	Correct	142 ms	19192 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	5112 KB	Output is correct
3	Correct	6 ms	5244 KB	Output is correct
4	Correct	215 ms	27332 KB	Output is correct
5	Correct	229 ms	27384 KB	Output is correct
6	Correct	241 ms	27404 KB	Output is correct
7	Correct	234 ms	27432 KB	Output is correct
8	Correct	269 ms	27256 KB	Output is correct
9	Correct	202 ms	27448 KB	Output is correct
10	Correct	252 ms	27384 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	5112 KB	Output is correct
3	Correct	6 ms	5244 KB	Output is correct
4	Correct	215 ms	27332 KB	Output is correct
5	Correct	229 ms	27384 KB	Output is correct
6	Correct	241 ms	27404 KB	Output is correct
7	Correct	234 ms	27432 KB	Output is correct
8	Correct	269 ms	27256 KB	Output is correct
9	Correct	202 ms	27448 KB	Output is correct
10	Correct	252 ms	27384 KB	Output is correct
11	Correct	24 ms	6008 KB	Output is correct
12	Correct	271 ms	27572 KB	Output is correct
13	Correct	288 ms	27512 KB	Output is correct
14	Correct	214 ms	27712 KB	Output is correct
15	Correct	229 ms	27540 KB	Output is correct
16	Correct	225 ms	27640 KB	Output is correct
17	Correct	223 ms	27512 KB	Output is correct
18	Correct	271 ms	27612 KB	Output is correct
19	Correct	231 ms	27640 KB	Output is correct
20	Correct	267 ms	27644 KB	Output is correct

Subtask #4
30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	240 ms	21880 KB	Output is correct
2	Correct	223 ms	27256 KB	Output is correct
3	Correct	301 ms	25324 KB	Output is correct
4	Correct	257 ms	22292 KB	Output is correct
5	Correct	342 ms	25080 KB	Output is correct
6	Correct	225 ms	22260 KB	Output is correct
7	Correct	402 ms	24952 KB	Output is correct
8	Correct	279 ms	22392 KB	Output is correct
9	Correct	253 ms	27368 KB	Output is correct
10	Correct	399 ms	24180 KB	Output is correct

Subtask #5
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	4984 KB	Output is correct
2	Correct	5 ms	5112 KB	Output is correct
3	Correct	6 ms	5112 KB	Output is correct
4	Correct	7 ms	5240 KB	Output is correct
5	Correct	152 ms	18928 KB	Output is correct
6	Correct	103 ms	23672 KB	Output is correct
7	Correct	174 ms	22024 KB	Output is correct
8	Correct	109 ms	19192 KB	Output is correct
9	Correct	161 ms	21104 KB	Output is correct
10	Correct	142 ms	19192 KB	Output is correct
11	Correct	8 ms	5240 KB	Output is correct
12	Correct	7 ms	5244 KB	Output is correct
13	Correct	8 ms	5240 KB	Output is correct
14	Correct	7 ms	5240 KB	Output is correct
15	Correct	6 ms	5240 KB	Output is correct
16	Correct	9 ms	5240 KB	Output is correct
17	Correct	8 ms	5240 KB	Output is correct
18	Correct	8 ms	5240 KB	Output is correct
19	Correct	7 ms	5240 KB	Output is correct
20	Correct	8 ms	5244 KB	Output is correct

Subtask #6
40.0 / 40.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	4984 KB	Output is correct
2	Correct	5 ms	5112 KB	Output is correct
3	Correct	6 ms	5112 KB	Output is correct
4	Correct	7 ms	5240 KB	Output is correct
5	Correct	152 ms	18928 KB	Output is correct
6	Correct	103 ms	23672 KB	Output is correct
7	Correct	174 ms	22024 KB	Output is correct
8	Correct	109 ms	19192 KB	Output is correct
9	Correct	161 ms	21104 KB	Output is correct
10	Correct	142 ms	19192 KB	Output is correct
11	Correct	5 ms	4984 KB	Output is correct
12	Correct	5 ms	5112 KB	Output is correct
13	Correct	6 ms	5244 KB	Output is correct
14	Correct	215 ms	27332 KB	Output is correct
15	Correct	229 ms	27384 KB	Output is correct
16	Correct	241 ms	27404 KB	Output is correct
17	Correct	234 ms	27432 KB	Output is correct
18	Correct	269 ms	27256 KB	Output is correct
19	Correct	202 ms	27448 KB	Output is correct
20	Correct	252 ms	27384 KB	Output is correct
21	Correct	24 ms	6008 KB	Output is correct
22	Correct	271 ms	27572 KB	Output is correct
23	Correct	288 ms	27512 KB	Output is correct
24	Correct	214 ms	27712 KB	Output is correct
25	Correct	229 ms	27540 KB	Output is correct
26	Correct	225 ms	27640 KB	Output is correct
27	Correct	223 ms	27512 KB	Output is correct
28	Correct	271 ms	27612 KB	Output is correct
29	Correct	231 ms	27640 KB	Output is correct
30	Correct	267 ms	27644 KB	Output is correct
31	Correct	240 ms	21880 KB	Output is correct
32	Correct	223 ms	27256 KB	Output is correct
33	Correct	301 ms	25324 KB	Output is correct
34	Correct	257 ms	22292 KB	Output is correct
35	Correct	342 ms	25080 KB	Output is correct
36	Correct	225 ms	22260 KB	Output is correct
37	Correct	402 ms	24952 KB	Output is correct
38	Correct	279 ms	22392 KB	Output is correct
39	Correct	253 ms	27368 KB	Output is correct
40	Correct	399 ms	24180 KB	Output is correct
41	Correct	8 ms	5240 KB	Output is correct
42	Correct	7 ms	5244 KB	Output is correct
43	Correct	8 ms	5240 KB	Output is correct
44	Correct	7 ms	5240 KB	Output is correct
45	Correct	6 ms	5240 KB	Output is correct
46	Correct	9 ms	5240 KB	Output is correct
47	Correct	8 ms	5240 KB	Output is correct
48	Correct	8 ms	5240 KB	Output is correct
49	Correct	7 ms	5240 KB	Output is correct
50	Correct	8 ms	5244 KB	Output is correct
51	Correct	318 ms	22716 KB	Output is correct
52	Correct	286 ms	27640 KB	Output is correct
53	Correct	402 ms	24692 KB	Output is correct
54	Correct	262 ms	22520 KB	Output is correct
55	Correct	293 ms	22328 KB	Output is correct
56	Correct	259 ms	27768 KB	Output is correct
57	Correct	323 ms	25208 KB	Output is correct
58	Correct	261 ms	22516 KB	Output is correct
59	Correct	337 ms	22620 KB	Output is correct
60	Correct	276 ms	27768 KB	Output is correct
61	Correct	358 ms	25336 KB	Output is correct
62	Correct	271 ms	22492 KB	Output is correct
63	Correct	331 ms	22284 KB	Output is correct
64	Correct	284 ms	27548 KB	Output is correct
65	Correct	409 ms	25004 KB	Output is correct
66	Correct	274 ms	22600 KB	Output is correct
67	Correct	329 ms	22240 KB	Output is correct
68	Correct	240 ms	27512 KB	Output is correct
69	Correct	333 ms	24400 KB	Output is correct
70	Correct	262 ms	22648 KB	Output is correct

답안 #92052

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