ANGEN

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There is crazy man named P29892P. He always tries to do crazy things as he thinks. One day he invented a machine and named it as ANGEN. The ANGEN is used to perform range operations. The range operation means performing operations on range values from {L..R}. At any time it performs operations on values in between L to R. ANGEN can perform following operations U I V - Update the value present at

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solution.cppC++17

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