282A - Bit++code forces
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def bit_plus_plus(total,operations):
result = 0
for i in operations:
if i == 'X++' or i == '++X':
result = result + 1
else:
result = result - 1
return result
if __name__ == "__main__":
total = int(input())
operations = []
for _ in range(0,total):
operations.append(input())
print(bit_plus_plus(total,operations))
Python
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