what is the output of printf(a &&b);

Question

int a=2,b=4;
Printf("%d", a & & b) ;

Answer 1

..\Playground\: In function 'main':
..\Playground\:4:9: error: 'a' undeclared (first use in this function)
printf (a && b)
^
..\Playground\:4:9: note: each undeclared identifier is reported only once for each function it appears in
..\Playground\:4:14: error: 'b' undeclared (first use in this function)
printf (a && b)
^
..\Playground\:5:5: error: expected ';' before 'return'
return 0;
^~~~~~

Answer 2

https://www.sololearn.com/learn/C/2925/?ref=app

Printf (a && b) makes no sense.