View Compilation Error

0_0_24338236_15404.cpp:8:11: error: 'nt' was not declared in this scope
 bool tow( nt z, int l, int r)
           ^
0_0_24338236_15404.cpp:8:17: error: expected primary-expression before 'int'
 bool tow( nt z, int l, int r)
                 ^
0_0_24338236_15404.cpp:8:24: error: expected primary-expression before 'int'
 bool tow( nt z, int l, int r)
                        ^
0_0_24338236_15404.cpp:8:29: error: expression list treated as compound expression in initializer [-fpermissive]
 bool tow( nt z, int l, int r)
                             ^
0_0_24338236_15404.cpp:9:1: error: expected ',' or ';' before '{' token
 {i
 ^