/in/foo.cc: In function 'int main()':
/in/foo.cc:10:40: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
  for(int i=1;i<=n;++i) scanf("%d",&l[i]),l[i]+=l[i-1];
                                   ~~~~~^
/in/foo.cc:11:40: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
  for(int i=1;i<=n;++i) scanf("%d",&m[i]),m[i]+=m[i-1];
                                   ~~~~~^