/in/foo.cc: In function 'int cc(int, char, int)':
/in/foo.cc:18:9: warning: 'z' may be used uninitialized in this function [-Wmaybe-uninitialized]
     int z;
         ^
/in/foo.cc: In function 'char findjibie(char, char)':
/in/foo.cc:59:22: warning: 'y' may be used uninitialized in this function [-Wmaybe-uninitialized]
     return jibie[x][y];
                      ^
/in/foo.cc:59:22: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized]