Submission #94632

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
94632	2019-01-21 21:42:44	MvC	Race (IOI11_race)	C++11	100 / 100	496 ms	45388 KiB

race

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#include "race.h"
#pragma GCC optimize("O3")
#include<bits/stdc++.h>
#define rc(x) return cout<<x<<endl,0
#define pb push_back
#define in insert
#define er erase
#define fd find
#define fr first
#define sc second
typedef long long ll;
const ll INF=0x3f3f3f3f3f3f3f3f;
const ll llinf=(1LL<<61);
const int inf=(1<<30);
const int nmax=1e6+50;
const int mod=1e9+7;
using namespace std;
int x,y,i,n,cent[nmax],sz[nmax],k,ans=1e9,rs[nmax];
vector<pair<int,int> >a[nmax];
vector<int>vc;
void dfs_sz(int u,int p)
{
  sz[u]=1;
  for(int i=0;i<a[u].size();i++)
  {
    int v=a[u][i].fr;
    if(cent[v] || v==p)continue;
    dfs_sz(v,u);
    sz[u]+=sz[v];
  }
 
 
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Compilation message (stderr)

race.cpp: In function 'void dfs_sz(int, int)':
race.cpp:24:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<a[u].size();i++)
              ~^~~~~~~~~~~~
race.cpp: In function 'int dfs_cent(int, int, int)':
race.cpp:34:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<a[u].size();i++)
              ~^~~~~~~~~~~~
race.cpp: In function 'void dfs(int, int, int, int, int)':
race.cpp:51:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<a[x].size();i++)
              ~^~~~~~~~~~~~
race.cpp: In function 'void decompose(int, int)':
race.cpp:70:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<vc.size();i++)rs[vc[i]]=1e9;
              ~^~~~~~~~~~
race.cpp:71:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<a[c].size();i++)
              ~^~~~~~~~~~~~

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