Accepted
/in/foo.cc: In function 'double Query(Trie*)': /in/foo.cc:31:9: warning: unused variable 'j' [-Wunused-variable] int i, j, len; ^
/in/foo.cc: In function 'double Query(Trie*)': /in/foo.cc:31:9: warning: unused variable 'j' [-Wunused-variable] int i, j, len; ^