prog.c: In function 'main':
prog.c:5:43: warning: multi-character character constant [-Wmultichar]
char a[]={'0','1','1','2','3','5','8','13','21','34','55','89','144'};
^~~~
prog.c:5:43: warning: overflow in implicit constant conversion [-Woverflow]
prog.c:5:48: warning: multi-character character constant [-Wmultichar]
char a[]={'0','1','1','2','3','5','8','13','21','34','55','89','144'};
^~~~
prog.c:5:48: warning: overflow in implicit constant conversion [-Woverflow]
prog.c:5:53: warning: multi-character character constant [-Wmultichar]
char a[]={'0','1','1','2','3','5','8','13','21','34','55','89','144'};
^~~~
prog.c:5:53: warning: overflow in implicit constant conversion [-Woverflow]
prog.c:5:58: warning: multi-character character constant [-Wmultichar]
char a[]={'0','1','1','2','3','5','8','13','21','34','55','89','144'};
^~~~
prog.c:5:58: warning: overflow in implicit constant conversion [-Woverflow]
prog.c:5:63: warning: multi-character character constant [-Wmultichar]
char a[]={'0','1','1','2','3','5','8','13','21','34','55','89','144'};
^~~~
prog.c:5:63: warning: overflow in implicit constant conversion [-Woverflow]
prog.c:5:68: warning: multi-character character constant [-Wmultichar]
char a[]={'0','1','1','2','3','5','8','13','21','34','55','89','144'};
^~~~~
prog.c:5:68: warning: overflow in implicit constant conversion [-Woverflow]