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View Compilation Error

0_0_29963572_16575.cpp: In function 'info querytree(node*, long long int, long long int)':
0_0_29963572_16575.cpp:119:15: error: 'mer' was not declared in this scope
   else return mer
               ^
0_0_29963572_16575.cpp:119:15: error: expected ';' at end of input
0_0_29963572_16575.cpp:119:15: error: expected '}' at end of input
0_0_29963572_16575.cpp:119:15: error: expected '}' at end of input


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