/in/foo.cc: In function 'int main()':
/in/foo.cc:193:13: warning: statement has no effect [-Wunused-value]
hashed[l]==1;
~~~~~~~~~^~~
/in/foo.cc:121:12: warning: iteration 65536 invokes undefined behavior [-Waggressive-loop-optimizations]
hashed[i]=0;
~~~~~~~~~^~
/in/foo.cc:120:11: note: within this loop
for(i=0;i<=(1<<16);i++)
~^~~~~~~~~
/in/foo.cc: In function 'void heap_delete(node*, int)':
/in/foo.cc:85:9: warning: 'j' may be used uninitialized in this function [-Wmaybe-uninitialized]
while(i<=l)
~^~~