Wrong Answer
/in/foo.cc: In function 'int main()':
/in/foo.cc:15:20: warning: format '%ld' expects argument of type 'long int*', but argument 2 has type 'long long int*' [-Wformat=]
scanf("%ld",&a[i]);
~~~~~^
/in/foo.cc: In function 'int main()':
/in/foo.cc:15:20: warning: format '%ld' expects argument of type 'long int*', but argument 2 has type 'long long int*' [-Wformat=]
scanf("%ld",&a[i]);
~~~~~^
