/in/foo.cc: In function 'void work()':
/in/foo.cc:68:21: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'LL* {aka long long int*}' [-Wformat=]
   scanf("%d%d",&x,&y);
                     ^
/in/foo.cc:68:21: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'LL* {aka long long int*}' [-Wformat=]