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#include <stdio.h>
static int i=10;
i=20;
int main()
{
Printed("%d",i);
	return 0;
}
 

prog.c:3:1: warning: data definition has no type or storage class
 i=20;
 ^
prog.c:3:1: warning: type defaults to ‘int’ in declaration of ‘i’ [-Wimplicit-int]
prog.c:3:1: error: redefinition of ‘i’
prog.c:2:12: note: previous definition of ‘i’ was here
 static int i=10;
            ^
prog.c: In function ‘main’:
prog.c:6:1: warning: implicit declaration of function ‘Printed’ [-Wimplicit-function-declaration]
 Printed("%d",i);
 ^~~~~~~
At top level:
prog.c:2:12: warning: ‘i’ defined but not used [-Wunused-variable]
 static int i=10;
            ^

Standard output is empty