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robot-bounded-in-circle.py
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robot-bounded-in-circle.py
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class Solution:
def isRobotBounded(self, instructions):
"""
:type instructions: str
:rtype: bool
"""
vec = (0, 1)
pos = (0, 0)
for i in instructions:
if i == "G":
pos = (pos[0] + vec[0], pos[1] + vec[1])
elif i == "L":
vec = - vec[1], vec[0]
elif i == "R":
vec = vec[1], - vec[0]
if vec != (0, 1) or pos == (0, 0):
return True
else:
return False
class TestSolution:
def setup(self):
self.sol = Solution()
def test_custom1(self):
assert self.sol.isRobotBounded("GGLLGG") == True
def test_custom2(self):
assert self.sol.isRobotBounded("GG") == False
def test_custom3(self):
assert self.sol.isRobotBounded("GL") == True
def test_custom4(self):
assert self.sol.isRobotBounded("LRRRRLLLRL") == True
def test_custom4(self):
assert self.sol.isRobotBounded("RLLGLRRRRGGRRRGLLRRR") == True