/in/p2.cpp: In function 'bool isIncreasing(list_t)':
/in/p2.cpp:167:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
/in/driver/driver.cpp: In function 'int main()':
/in/driver/driver.cpp:30:21: error: 'sum' was not declared in this scope
             cout << sum(list) << endl;
                     ^~~
/in/driver/driver.cpp:34:21: error: 'product' was not declared in this scope
             cout << product(list) << endl;
                     ^~~~~~~
/in/driver/driver.cpp:34:21: note: suggested alternative: 'accProduct'
             cout << product(list) << endl;
                     ^~~~~~~
                     accProduct
/in/driver/driver.cpp:40:21: error: 'accumulate' was not declared in this scope
             cout << accumulate(list, accOp[type], base) << endl;
                     ^~~~~~~~~~
/in/driver/driver.cpp:57:21: error: 'filter_even' was not declared in this scope
             cout << filter_even(list) << endl;
                     ^~~~~~~~~~~
/in/driver/driver.cpp:57:21: note: suggested alternative: 'filter_odd'
             cout << filter_even(list) << endl;
                     ^~~~~~~~~~~
                     filter_odd
/in/driver/driver.cpp:94:21: error: 'tree_min' was not declared in this scope
             cout << tree_min(tree) << endl;
                     ^~~~~~~~
/in/driver/driver.cpp:94:21: note: suggested alternative: 'tree_max'
             cout << tree_min(tree) << endl;
                     ^~~~~~~~
                     tree_max
/in/driver/driver.cpp:103:21: error: 'tree_hasPathSum' was not declared in this scope
             cout << tree_hasPathSum(tree, n) << endl;
                     ^~~~~~~~~~~~~~~
/in/driver/driver.cpp:103:21: note: suggested alternative: 'tree_sum'
             cout << tree_hasPathSum(tree, n) << endl;
                     ^~~~~~~~~~~~~~~
                     tree_sum