/in/foo.cc: In function 'int main()':
/in/foo.cc:82:15: warning: 'r' may be used uninitialized in this function [-Wmaybe-uninitialized]
         printf("%d\n",getmax(1,1,t,l,r,c));
         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/in/foo.cc:82:15: warning: 'l' may be used uninitialized in this function [-Wmaybe-uninitialized]
/in/foo.cc:82:15: warning: 'c' may be used uninitialized in this function [-Wmaybe-uninitialized]