제출 #126593

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
126593	2019-07-08 07:16:23	fjzzq2002	공장들 (JOI14_factories)	C++14	100 / 100	2990 ms	111344 KiB

factories

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#include "factories.h"
#include <bits/stdc++.h>
using namespace std;
#define SZ 2234567
typedef long long ll;
int n,M=0,fst[SZ],vb[SZ],nxt[SZ]; ll vc[SZ];
void ad_de(int a,int b,ll c)
{
  ++M; nxt[M]=fst[a]; fst[a]=M;
  vb[M]=b; vc[M]=c;
}
void adde(int a,int b,ll c)
{
  ad_de(a,b,c); ad_de(b,a,c);
}
#define esb(x,e,b) (int e=fst[x],b=vb[e];e;e=nxt[e],b=vb[e])
int dep[SZ],sz[SZ],so[SZ],fa[SZ]; ll dd[SZ];
void dfs1(int x,int fa=0)
{
  sz[x]=1; dep[x]=dep[fa]+1; ::fa[x]=fa;
  for esb(x,e,b) if(b!=fa)
  {
    dd[b]=dd[x]+vc[e];
    dfs1(b,x),sz[x]+=sz[b];
    if(sz[b]>sz[so[x]]) so[x]=b;
  }
}
int top[SZ],dn[SZ],D,rv[SZ];
void dfs2(int x,int t,int fa=0)
{
 
 
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컴파일 시 표준 에러 (stderr) 메시지

factories.cpp: In function 'void d2(int)':
factories.cpp:81:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int j=0;j<2&&j<tmp.size();++j)
                    ~^~~~~~~~~~~

• Subtask 1: 15 / 15
• Subtask 2: 18 / 18
• Subtask 3: 67 / 67