#include <bits/stdc++.h>
#include "bulb.h"
using namespace std;
int N;
vector<int> l, r, whr, good, down;
void DFS(int nod)
{
if(nod < 0) return;
DFS(l[nod]);
DFS(r[nod]);
if(l[nod] < 0) whr[nod] = l[nod];
else whr[nod] = whr[ l[nod] ];
good[nod] = (whr[nod] == -1);
if(r[nod] < 0) good[nod] &= (r[nod] == -1);
else good[nod] &= (whr[ r[nod] ] == -1);
if(l[nod] < 0) down[nod] = good[nod];
else down[nod] = good[nod] & down[ l[nod] ];
}
int DFS2(int nod)
{
if(r[nod] > 0 && down[ r[nod] ]) return 1;
if(r[nod] == -1) return 1;
if(l[nod] < 0)
{
if(good[nod]) return 1;
return 0;
}
if(good[nod]) return DFS2(l[nod]);
return 0;
}
int FindWinner(int T, std::vector<int> L, std::vector<int> R)
{
N = L.size();
if(N == 1)
{
if(L[0] == -1) return 1;
return 0;
}
l = L, r = R;
whr.resize(N); good.resize(N); down.resize(N);
DFS(0);
if(whr[0] == -2) return 0;
int ans = DFS2(0);
return ans;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
292 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 |
376 KB |
Output is correct |
| 6 |
Correct |
2 ms |
420 KB |
Output is correct |
| 7 |
Correct |
2 ms |
376 KB |
Output is correct |
| 8 |
Correct |
2 ms |
376 KB |
Output is correct |
| 9 |
Correct |
2 ms |
376 KB |
Output is correct |
| 10 |
Correct |
2 ms |
376 KB |
Output is correct |
| 11 |
Correct |
2 ms |
376 KB |
Output is correct |
| 12 |
Correct |
2 ms |
284 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
256 KB |
Output is correct |
| 3 |
Correct |
2 ms |
376 KB |
Output is correct |
| 4 |
Correct |
2 ms |
292 KB |
Output is correct |
| 5 |
Correct |
2 ms |
376 KB |
Output is correct |
| 6 |
Correct |
2 ms |
376 KB |
Output is correct |
| 7 |
Correct |
2 ms |
376 KB |
Output is correct |
| 8 |
Correct |
2 ms |
420 KB |
Output is correct |
| 9 |
Correct |
2 ms |
376 KB |
Output is correct |
| 10 |
Correct |
2 ms |
376 KB |
Output is correct |
| 11 |
Correct |
2 ms |
376 KB |
Output is correct |
| 12 |
Correct |
2 ms |
376 KB |
Output is correct |
| 13 |
Correct |
2 ms |
376 KB |
Output is correct |
| 14 |
Correct |
2 ms |
284 KB |
Output is correct |
| 15 |
Correct |
2 ms |
376 KB |
Output is correct |
| 16 |
Correct |
2 ms |
376 KB |
Output is correct |
| 17 |
Correct |
2 ms |
376 KB |
Output is correct |
| 18 |
Correct |
2 ms |
348 KB |
Output is correct |
| 19 |
Correct |
2 ms |
348 KB |
Output is correct |
| 20 |
Correct |
2 ms |
380 KB |
Output is correct |
| 21 |
Correct |
2 ms |
376 KB |
Output is correct |
| 22 |
Correct |
2 ms |
316 KB |
Output is correct |
| 23 |
Correct |
2 ms |
376 KB |
Output is correct |
| 24 |
Correct |
2 ms |
376 KB |
Output is correct |
| 25 |
Correct |
2 ms |
376 KB |
Output is correct |
| 26 |
Correct |
2 ms |
376 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
256 KB |
Output is correct |
| 3 |
Correct |
2 ms |
376 KB |
Output is correct |
| 4 |
Correct |
2 ms |
292 KB |
Output is correct |
| 5 |
Correct |
2 ms |
376 KB |
Output is correct |
| 6 |
Correct |
2 ms |
376 KB |
Output is correct |
| 7 |
Correct |
2 ms |
376 KB |
Output is correct |
| 8 |
Correct |
2 ms |
420 KB |
Output is correct |
| 9 |
Correct |
2 ms |
376 KB |
Output is correct |
| 10 |
Correct |
2 ms |
376 KB |
Output is correct |
| 11 |
Correct |
2 ms |
376 KB |
Output is correct |
| 12 |
Correct |
2 ms |
376 KB |
Output is correct |
| 13 |
Correct |
2 ms |
376 KB |
Output is correct |
| 14 |
Correct |
2 ms |
284 KB |
Output is correct |
| 15 |
Correct |
2 ms |
376 KB |
Output is correct |
| 16 |
Correct |
2 ms |
376 KB |
Output is correct |
| 17 |
Correct |
2 ms |
376 KB |
Output is correct |
| 18 |
Correct |
2 ms |
348 KB |
Output is correct |
| 19 |
Correct |
2 ms |
348 KB |
Output is correct |
| 20 |
Correct |
2 ms |
380 KB |
Output is correct |
| 21 |
Correct |
2 ms |
376 KB |
Output is correct |
| 22 |
Correct |
2 ms |
316 KB |
Output is correct |
| 23 |
Correct |
2 ms |
376 KB |
Output is correct |
| 24 |
Correct |
2 ms |
376 KB |
Output is correct |
| 25 |
Correct |
2 ms |
376 KB |
Output is correct |
| 26 |
Correct |
2 ms |
376 KB |
Output is correct |
| 27 |
Correct |
91 ms |
10812 KB |
Output is correct |
| 28 |
Correct |
91 ms |
10912 KB |
Output is correct |
| 29 |
Correct |
91 ms |
10936 KB |
Output is correct |
| 30 |
Correct |
97 ms |
20344 KB |
Output is correct |
| 31 |
Correct |
96 ms |
20316 KB |
Output is correct |
| 32 |
Correct |
90 ms |
10844 KB |
Output is correct |
| 33 |
Correct |
90 ms |
11032 KB |
Output is correct |
| 34 |
Correct |
90 ms |
10908 KB |
Output is correct |
| 35 |
Correct |
89 ms |
10872 KB |
Output is correct |
| 36 |
Correct |
89 ms |
10912 KB |
Output is correct |
| 37 |
Correct |
89 ms |
10824 KB |
Output is correct |
| 38 |
Correct |
107 ms |
10872 KB |
Output is correct |
| 39 |
Correct |
92 ms |
10916 KB |
Output is correct |
| 40 |
Correct |
90 ms |
10932 KB |
Output is correct |
| 41 |
Correct |
92 ms |
10912 KB |
Output is correct |
| 42 |
Correct |
91 ms |
10916 KB |
Output is correct |
| 43 |
Correct |
91 ms |
10912 KB |
Output is correct |
| 44 |
Correct |
90 ms |
10936 KB |
Output is correct |
| 45 |
Correct |
89 ms |
10844 KB |
Output is correct |
| 46 |
Correct |
90 ms |
10936 KB |
Output is correct |
| 47 |
Correct |
92 ms |
13024 KB |
Output is correct |
| 48 |
Correct |
93 ms |
13000 KB |
Output is correct |
| 49 |
Correct |
91 ms |
12960 KB |
Output is correct |
| 50 |
Correct |
91 ms |
13032 KB |
Output is correct |
