View Compilation Error

0_0_30014071_28510.cpp: In function 'int Solve(int, int, int, int)':
0_0_30014071_28510.cpp:74:13: error: expected primary-expression at end of input
     int mid = 
             ^
0_0_30014071_28510.cpp:74:13: error: expected ',' or ';' at end of input
0_0_30014071_28510.cpp:74:13: error: expected '}' at end of input
0_0_30014071_28510.cpp:74:13: error: expected '}' at end of input