Submission #95919

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
95919	2019-02-04 06:13:34	mayhoubsaleh	Race (IOI11_race)	C++14	100 / 100	564 ms	32376 KiB

race

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#include "race.h"
#include <bits/stdc++.h>
#define pb push_back
using namespace std;
int n,k,inf=1e7,ans=inf,sz[200005],cnt[1000006];bool vis[200005];
vector<pair<int,int>>v[200005],part;//part: first=dist,second=highways
vector<int>all;
void dfssz(int nod,int par){
    sz[nod]=1;
    for(auto i:v[nod]){
        int u=i.first;
        if(vis[u]||u==par)continue;
        dfssz(u,nod);
        sz[nod]+=sz[u];
    }
}
int getcn(int nod,int par,int tot){
    for(auto i:v[nod]){
        int u=i.first;
        if(u==par||vis[u])continue;
        if(sz[u]>tot/2)return getcn(u,nod,tot);
    }
    return nod;
}
void dfs(int nod,int par,int d,int hw){
    if(d>k)return;
    part.pb({d,hw});
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 12 / 12
• Subtask 3: 22 / 22
• Subtask 4: 57 / 57