/in/p2.cpp:346:1: warning: multi-line comment [-Wcomment]
 // / \
 ^
/in/p2.cpp:349:1: warning: multi-line comment [-Wcomment]
 // / \ / \
 ^
/in/p2.cpp:351:1: warning: multi-line comment [-Wcomment]
 // / \ / \
 ^
/in/p2.cpp:353:1: warning: multi-line comment [-Wcomment]
 // / \ / \
 ^
/in/p2.cpp:435:1: warning: multi-line comment [-Wcomment]
 //     / \
 ^
/in/p2.cpp:438:1: warning: multi-line comment [-Wcomment]
 //  / \   / \
 ^
/in/p2.cpp:440:1: warning: multi-line comment [-Wcomment]
 //    / \
 ^
/in/p2.cpp:504:1: warning: multi-line comment [-Wcomment]
 //             / \
 ^
/in/p2.cpp:507:1: warning: multi-line comment [-Wcomment]
 //          / \   / \
 ^
/in/p2.cpp:509:1: warning: multi-line comment [-Wcomment]
 //        / \ / \
 ^
/in/p2.cpp:603:1: warning: multi-line comment [-Wcomment]
 //                 / \
 ^
/in/p2.cpp:606:1: warning: multi-line comment [-Wcomment]
 //              / \   / \
 ^
/in/p2.cpp:608:1: warning: multi-line comment [-Wcomment]
 //                / \
 ^
/in/p2.cpp:612:1: warning: multi-line comment [-Wcomment]
 //                 / \
 ^
/in/p2.cpp:615:1: warning: multi-line comment [-Wcomment]
 //              / \   / \
 ^
/in/p2.cpp:617:1: warning: multi-line comment [-Wcomment]
 //            / \ / \
 ^
/in/p2.cpp: In function 'opaque_list* tree_hasPathSumHelper(tree_t, int, list_t)':
/in/p2.cpp:473:9: warning: unused variable 'tempsum' [-Wunused-variable]
     int tempsum = branchSum;
         ^~~~~~~
/in/p2.cpp: In function 'int tree_sumHelper(tree_t, int, int)':
/in/p2.cpp:291:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
/in/p2.cpp: In function 'opaque_list* tree_hasPathSumHelper(tree_t, int, list_t)':
/in/p2.cpp:489:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
/in/p2.cpp: In function 'bool covered_byHelper(tree_t, tree_t)':
/in/p2.cpp:539:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^