View Compilation Error

0_0_21316358_32322.cpp: In function 'int main()':
0_0_21316358_32322.cpp:75:29: error: invalid initialization of reference of type 'unsigned int&' from expression of type 'int'
             select(*q,*p,b[i]);
                             ^
0_0_21316358_32322.cpp:25:13: note: in passing argument 3 of 'void select(unsigned int, unsigned int, unsigned int&)'
 inline void select(unsigned l,unsigned r,unsigned &k)
             ^