제출 #88164

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
88164	2018-12-04 07:39:39	Bodo171	동기화 (JOI13_synchronization)	C++14	100 / 100	1259 ms	30420 KiB

synchronization

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#include <iostream>
#include <fstream>
#include <vector>
using namespace std;
const int nmax=100005;
vector<int> v[nmax];
int l[nmax],r[nmax],lev[nmax],aib[nmax],a[nmax],b[nmax],state[nmax],sub[nmax],old[nmax],know[nmax];
int tt[20][nmax];
int n,nr,m,q,i,j,x,y,L;
void dfs(int x)
{
    l[x]=++nr;
    for(int i=0;i<v[x].size();i++)
        if(!l[v[x][i]])
    {
        lev[v[x][i]]=lev[x]+1;
        tt[0][v[x][i]]=x;
        dfs(v[x][i]);
    }
    r[x]=nr;
}
inline int lbit(int x)
{
    return ((x^(x-1))&x);
}
void update(int poz,int val)
{
    for(int idx=poz;idx<=n;idx+=lbit(idx))
        aib[idx]+=val;
}
 
 
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컴파일 시 표준 에러 (stderr) 메시지

synchronization.cpp: In function 'void dfs(int)':
synchronization.cpp:13:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<v[x].size();i++)
                 ~^~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 10 / 10
• Subtask 4: 20 / 20
• Subtask 5: 40 / 40