class SquareSumCalculator:
def __init__(self):
self.test_case_results = []
def square_sum(self, numbers, n, total):
if n == 0:
return total
last_num = numbers.pop()
return self.square_sum(numbers, n - 1, total + (last_num ** 2) * (last_num > 0))
def calculate_and_store_results(self, test_cases):
if test_cases > 0:
try:
x = int(input())
y_values = list(map(int, input().split()))
test_case_re = self.square_sum(y_values, x, 0)
self.test_case_results.append(test_case_re)
self.calculate_and_store_results(test_cases - 1)
except ValueError as e:
print(f"Error: {e}")
def print_results(self, index=0):
if index < len(self.test_case_results):
print(self.test_case_results[index])
self.print_results(index + 1)
def main():
try:
test_cases = int(input())
calculator = SquareSumCalculator()
calculator.calculate_and_store_results(test_cases)
calculator.print_results()
except ValueError as e:
print(f"Error: {e}")
except KeyboardInterrupt:
print("\nOperation aborted by user.")
if __name__ == "__main__":
main()