19 lines
490 B
Python
19 lines
490 B
Python
import sys
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from math import atan2, cos, sin, pi
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input = sys.stdin.readline
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def transpose(type: int, a: float, b: float) -> tuple[float]:
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if type == 1:
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m = atan2(b, a)
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return round((a**2 + b**2) ** (1 / 2), 7), round(m if m >= 0 else 2 * pi + m, 7)
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else:
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return round(a * cos(b), 7), round(a * sin(b), 7)
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if __name__ == "__main__":
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T = int(input())
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# fmt: off
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[print(*transpose(int(input()), *map(float, input().split()))) for _ in range(T)]
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