Submission #81844

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
81844	2018-10-27 08:04:25	gs18115	트리 (KOI16_tree)	C++14	100 / 100	484 ms	38244 KiB

tree

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#include<iostream>
#include<vector>
using namespace std;
const int MAXN=2e5+10;
const int n=524288;
int in[MAXN],out[MAXN],dp[MAXN];
int ecnt;
vector<int>adj[MAXN];
void ET(const int&X,int dep)
{
    in[X]=++ecnt;
    dp[X]=dep++;
    for(const int&i:adj[X])
        ET(i,dep);
    out[X]=++ecnt;
    return;
}
inline int mn(const int&x,const int&y)
{
    return dp[x]>dp[y]?x:y;
}
int ST[n*2+10],lz[n*2+10];
int query(const int&N,const int&i,const int&x,const int&y)
{
    if(x==y)
        return mn(ST[N],lz[N]);
    int l=N<<1;
    int r=l+1;
    if(dp[ST[N]]<dp[lz[N]])
    {
 
 
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Compilation message (stderr)

tree.cpp: In function 'int query(const int&, const int&, const int&, const int&)':
tree.cpp:35:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     int mid=x+y>>1;
             ~^~
tree.cpp: In function 'void lazy(const int&, const int&, const int&, const int&, const int&, const int&)':
tree.cpp:57:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     int mid=x+y>>1;
             ~^~

• Subtask 1: 9 / 9
• Subtask 2: 13 / 13
• Subtask 3: 14 / 14
• Subtask 4: 19 / 19
• Subtask 5: 45 / 45