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logo2.py
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logo2.py
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import sys; input = sys.stdin.readline
from math import *
EPS = 1e-6
for _ in range(int(input())):
CA = []
for _ in range(int(input())):
c, a = input().strip().split()
CA.append((c, a))
if a == '?': tr_or_rt = c in ['fd', 'bk']
if tr_or_rt:
A = pi; X = Y = 0
for c, a in CA:
if a == '?': MC, MA = c, A
elif c == 'fd': X += int(a)*cos(A); Y += int(a)*sin(A)
elif c == 'bk': X -= int(a)*cos(A); Y -= int(a)*sin(A)
elif c == 'lt': A += int(a)*pi/180
else: A -= int(a)*pi/180
print((1-2*(MC=='fd'))*round(X/cos(MA)))
else:
for aa in range(360):
A = pi; X = Y = 0
for c, a in CA:
if a == '?': a = aa
if c == 'fd': X += int(a)*cos(A); Y += int(a)*sin(A)
elif c == 'bk': X -= int(a)*cos(A); Y -= int(a)*sin(A)
elif c == 'lt': A += int(a)*pi/180
else: A -= int(a)*pi/180
if abs(X) < EPS and abs(Y) < EPS: print(aa); break