# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
150323 |
2019-09-01T08:08:37 Z |
Greedy left the chat.(#3618, miguel, claudy, MvC) |
Bulb Game (FXCUP4_bulb) |
C++17 |
|
2 ms |
504 KB |
#include "bulb.h"
#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<<61);
const int inf=(1<<30);
const int nmax=3e5+50;
const int mod=1e9+7;
using namespace std;
int n,t,i,j,b,lb[nmax],rb[nmax],rup[nmax],pr[nmax],lst[nmax],nr[nmax],l[nmax],r[nmax];
void dfs(int x)
{
if(x<0)return;
dfs(l[x]);
if(l[x]==-2 || lb[l[x]])lb[x]=1;
dfs(r[x]);
if(r[x]==-2 || lb[r[x]])rb[x]=1;
if(l[x]>0)rb[x]|=rb[l[x]];
}
void up(int x,int p,int k,int ls)
{
if(x<0)return;
nr[x]=k;
lst[x]=ls;
pr[x]=p;
rup[x]=rup[p]|rb[x];
up(l[x],x,k,ls);
up(r[x],x,k+1,x);
}
int FindWinner(int T,vector<int> L,vector<int> R)
{
n=L.size(),t=T;
for(i=0;i<n;i++)
{
l[i+1]=L[i];
r[i+1]=R[i];
if(l[i+1]>=0)l[i+1]++;
if(r[i+1]>=0)r[i+1]++;
}
dfs(1);
up(1,0,0,0);
for(i=1;i<=n;i++)
{
//cout<<i<<" "<<lb[i]<<" "<<rb[i]<<" "<<rup[i]<<" "<<pr[i]<<" "<<lst[i]<<" "<<nr[i]<<endl;
}
for(i=1;i<=n;i++)
{
if(nr[i]>1)
{
if(!rb[1] && !lb[1])return 1;
}
else if(nr[i]==1)
{
if(r[i]==-2 || lb[r[i]])continue;
if(lb[1])continue;
if(rup[pr[lst[i]]])continue;
if(l[lst[i]]>0 && rb[lst[i]])continue;
//cout<<i<<endl;
return 1;
}
else
{
if(rup[pr[i]])continue;
if(lb[i])continue;
if(r[i]==-2 || rb[r[i]])continue;
//cout<<i<<endl;
return 1;
}
}
return 0;
}
Compilation message
bulb.cpp:3:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
#pragma GCC optimization("O3")
bulb.cpp:4:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
#pragma GCC optimization("unroll-loops")
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
504 KB |
Output is correct |
6 |
Correct |
2 ms |
364 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
9 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |