View Compilation Error

0_0_29991342_8393.cpp: In function 'int main()':
0_0_29991342_8393.cpp:42:100: error: expected primary-expression before ')' token
             while (R <= L + n && cro(a[L], a[R]) > 0 || cro(a[L], a[R]) == 0&&dot(a[L], a[R]) >= 0))
                                                                                                    ^
0_0_29991342_8393.cpp: At global scope:
0_0_29991342_8393.cpp:50:3: error: expected unqualified-id before '-' token
 } - tmp));
   ^
0_0_29991342_8393.cpp:51:9: error: expected declaration before '}' token
         }
         ^