Runtime Error
/in/foo.cc: In function 'int main()': /in/foo.cc:46:38: warning: variable 'l' set but not used [-Wunused-but-set-variable] memset(dfn,0,sizeof(dfn));cnt=0;int l; ^
/in/foo.cc: In function 'int main()': /in/foo.cc:46:38: warning: variable 'l' set but not used [-Wunused-but-set-variable] memset(dfn,0,sizeof(dfn));cnt=0;int l; ^