/in/foo.cc: In function 'int main()':
/in/foo.cc:35:20: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long int*' [-Wformat=]
    scanf("%d",&e[i]);
                    ^
/in/foo.cc:39:21: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long int*' [-Wformat=]
   scanf("%d",&p[i].w);
                     ^