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Submission #149238

# Submission time Handle Problem Language Result Execution time Memory
149238 2019-09-01T06:01:48 Z rkm0959(#3623, jun6873, babo) Bulb Game (FXCUP4_bulb) C++17
11 / 100
 2 ms 380 KB 
#include <bits/stdc++.h>

using namespace std;

bool bad(int x, vector<int>&L, vector<int>&R){
	x=R[x];
	while(x>=0)
		x=L[x];
	return x==-2;
}

bool ok(int x, vector<int>&L, vector<int>&R){
	x=R[x];
	while(x>=0)
	{
		if(bad(x,L,R)) return 0;
		x=L[x];
	}
	return x==-1;
}

bool existover2(int now,int dep, vector<int>&L, vector<int>&R){
	if(now<0) return 0;
	if(dep>2) return 1;
	return existover2(L[now],dep,L,R) or existover2(R[now],dep+1,L,R);
}

int FindWinner(int T, vector<int>L, vector<int>R){
	int i;
	int temp=0;
	while(temp>=0)
		temp=L[temp];
	if(temp==-2) return 0;
	temp=0;
	while(temp>=0)
	{
		if(ok(temp,L,R)) return 1;
		if(bad(temp,L,R)) return 0;
		temp=L[temp];
	}
	return existover2(0,0,L,R);
}

Compilation message

bulb.cpp: In function 'int FindWinner(int, std::vector<int>, std::vector<int>)':
bulb.cpp:29:6: warning: unused variable 'i' [-Wunused-variable]
  int i;
      ^

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 348 KB Output is correct
7 Correct 2 ms 252 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 380 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 256 KB Output is correct

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 256 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 64.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 256 KB Output isn't correct
2 Halted 0 ms 0 KB -