Submission #162916

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
162916	2019-11-10 09:24:01	MvC	Cat in a tree (BOI17_catinatree)	C++11	100 / 100	875 ms	411112 KiB

catinatree

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#pragma GCC target("avx2")
#pragma GCC optimization("O3")
#pragma GCC optimization("unroll-loops")
#include <bits/stdc++.h>
#define rc(x) return cout<<x<<endl,0
#define pb push_back
#define mkp make_pair
#define in insert
#define er erase
#define fd find
#define fr first
#define sc second
typedef long long ll;
typedef long double ld;
const ll INF=0x3f3f3f3f3f3f3f3f;
const ll llinf=(1LL<<62);
const int inf=(1<<30);
const int nmax=2e5+50;
const int mod=1e9+7;
using namespace std;
int n,k,v[nmax],f[nmax][500],x,y,i,sf[nmax],pr[nmax],g[nmax][500],r,rs,sz[nmax];
vector<int>a[nmax];
void dfs(int x)
{
  int sm=0;
  for(int i=0;i<(int)a[x].size();i++)
  {
    int y=a[x][i];
    dfs(y);
    sm+=f[y][k-1];
 
 
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Compilation message (stderr)

catinatree.cpp:2:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
 #pragma GCC optimization("O3")
 
catinatree.cpp:3:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
 #pragma GCC optimization("unroll-loops")

• Subtask 1: 11 / 11
• Subtask 2: 40 / 40
• Subtask 3: 49 / 49