/in/foo.cc: In function 'int main()':
/in/foo.cc:12:21: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
   scanf("%d%d",&a,&b);
                     ^
/in/foo.cc:12:21: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'long long int*' [-Wformat=]