./Main.c:1:1: warning: data definition has no type or storage class
c,i=30,k[30],x;main(n,a)
^
./Main.c:1:1: warning: type defaults to ‘int’ in declaration of ‘c’ [-Wimplicit-int]
./Main.c:1:3: warning: type defaults to ‘int’ in declaration of ‘i’ [-Wimplicit-int]
c,i=30,k[30],x;main(n,a)
^
./Main.c:1:8: warning: type defaults to ‘int’ in declaration of ‘k’ [-Wimplicit-int]
c,i=30,k[30],x;main(n,a)
^
./Main.c:1:14: warning: type defaults to ‘int’ in declaration of ‘x’ [-Wimplicit-int]
c,i=30,k[30],x;main(n,a)
^
./Main.c:1:16: warning: return type defaults to ‘int’ [-Wimplicit-int]
c,i=30,k[30],x;main(n,a)
^
./Main.c: In function ‘main’:
./Main.c:1:16: warning: type of ‘n’ defaults to ‘int’ [-Wimplicit-int]
./Main.c:1:16: warning: type of ‘a’ defaults to ‘int’ [-Wimplicit-int]
./Main.c:3:8: warning: implicit declaration of function ‘scanf’ [-Wimplicit-function-declaration]
for(;~scanf("%d",&a);)
^
./Main.c:3:8: warning: incompatible implicit declar...