/in/foo.c: In function 'main':
/in/foo.c:9:12: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
   printf("%d",n-k);
            ^
/in/foo.c:13:12: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
   printf("%d",k);
            ^