Problem 489. Bang Bang in Bangalore

Imagine a strange language disorder, Bangolangosis, has developed among trigonometricians of Bangalore, India, when calculating angles of triangles wrong and banging head in frustration.

The most obvious symptom: the affected individuals say "bang" for "bang-bang" and vice versa.

Example

The following sample should help understanding their problem more clearly. A native utterance by an affected person:

 'Bang Raja-bang#@om uttam%$# bang-bang swamy&^%$'

The corrected version should actually be:

 'Bang-bang Raja-bang#@om uttam%$# bang swamy&^%$'.

Please correct the given string accordingly.

Solve

Solution Stats

32.98% Correct | 67.02% Incorrect
Last Solution submitted on Dec 23, 2025

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