Submission #172653

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
172653	2020-01-02 09:34:48	top34051	Bulb Game (FXCUP4_bulb)	C++17	100 / 100	123 ms	32604 KiB

bulb

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#include "bulb.h"
#include <bits/stdc++.h>
using namespace std;
 
const int maxn = 3e5 + 5;
 
int n, T;
vector<int> L, R;
int res[maxn], lose[maxn], sumDown[maxn];
 
int bad, win;
 
void dfs(int u) {
  if(u >= n) return ;
 
  dfs(L[u]);
  dfs(R[u]);
 
  res[u] = res[L[u]];
  lose[u] = lose[L[u]] + (res[R[u]] == 0);
  sumDown[u] = sumDown[L[u]] + 1;
}
 
void solve(int u, int ok, int upLose, int sumUp) {
  if(u >= n) return ;
 
  solve(L[u], ok, upLose + (res[R[u]] == 0), sumUp + 1);
  solve(R[u], 0, upLose + (res[R[u]] == 0), sumUp + 1);
  
  if(ok) { // main line
 
 
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• Subtask 1: 11 / 11
• Subtask 2: 25 / 25
• Subtask 3: 64 / 64