./Main.c:1:8: warning: return type defaults to ‘int’ [-Wimplicit-int]
long c;main(a,b){a-1?~scanf("%d%d",&a,&b)&&(main(),c+=(b-(a+c)%b)%b):(main(gets(&a)),printf("%ld",c));}
^
./Main.c: In function ‘main’:
./Main.c:1:8: warning: type of ‘a’ defaults to ‘int’ [-Wimplicit-int]
./Main.c:1:8: warning: type of ‘b’ defaults to ‘int’ [-Wimplicit-int]
./Main.c:1:23: warning: implicit declaration of function ‘scanf’ [-Wimplicit-function-declaration]
long c;main(a,b){a-1?~scanf("%d%d",&a,&b)&&(main(),c+=(b-(a+c)%b)%b):(main(gets(&a)),printf("%ld",c));}
^
./Main.c:1:23: warning: incompatible implicit declaration of built-in function ‘scanf’
./Main.c:1:23: note: include ‘<stdio.h>’ or provide a declaration of ‘scanf’
./Main.c:1:76: warning: implicit declaration of function ‘gets’ [-Wimplicit-function-declaration]
long c;main(a,b){a-1?~scanf("%d%d",&a,&b)&&(main(),c+=(b-(a+c)%b)%b):(main(gets(&a)),printf("%ld",c));}
...