/in/foo.cc: In function 'int MIN(int, int)':
/in/foo.cc:25:9: warning: 'max' may be used uninitialized in this function [-Wmaybe-uninitialized]
 min = (x/max)*y; 
       ~~^~~~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:25:9: warning: 'max' may be used uninitialized in this function [-Wmaybe-uninitialized]
 min = (x/max)*y; 
       ~~^~~~~
/in/foo.cc:7:13: note: 'max' was declared here
 int i,z,min,max;
             ^~~
/in/foo.cc:25:9: warning: 'max' may be used uninitialized in this function [-Wmaybe-uninitialized]
 min = (x/max)*y; 
       ~~^~~~~
/in/foo.cc:7:13: note: 'max' was declared here
 int i,z,min,max;
             ^~~