Submission #254544

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
254544	2020-07-30 08:30:25	tinjyu	Race (IOI11_race)	C++14	100 / 100	650 ms	47984 KiB

race

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#include "race.h"
#include <iostream>
using namespace std;
long long int ans=99999999999,a[1000005],t[1000005][2],p,num,f[1000005],tag[1000005],son[1000005],n,k,map[1000005][3],road[1000005];
int build(int x,int fa)
{
  son[x]=1;
  f[x]=fa;
  long long int g=road[x];
  while(g!=-1)
  {
    long long int now=map[g][0];
    if(now!=fa && tag[now]==0)
    {
      build(now,x);
      son[x]+=son[now];
    }
    g=map[g][1];
  }
}
int find(int x,int fa,long long int sum)
{
  long long int g=road[x];
  long long int can=1;
  if(sum>num/2)can=0;
  while(g!=-1)
  {
    long long int now=map[g][0];
    if(now!=fa && tag[now]==0)
    {
 
 
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Compilation message (stderr)

race.cpp: In function 'int build(int, int)':
race.cpp:20:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^
race.cpp: In function 'int dfs(int, long long int, int, int)':
race.cpp:58:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^
race.cpp: In function 'int solve(int)':
race.cpp:101:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^

• Subtask 1: 9 / 9
• Subtask 2: 12 / 12
• Subtask 3: 22 / 22
• Subtask 4: 57 / 57