Submission #92052

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
92052	2019-01-01 10:00:27	Kamisama	Election Campaign (JOI15_election_campaign)	C++14	100 / 100	409 ms	27768 KiB

election_campaign

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#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);
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

• Subtask 1: 10 / 10
• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 30 / 30
• Subtask 5: 10 / 10
• Subtask 6: 40 / 40