/in/foo.cc: In function 'int main()':
/in/foo.cc:33:22: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
  scanf("%d%d", &n, &m);c();
                      ^
/in/foo.cc:33:22: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'long long int*' [-Wformat=]
/in/foo.cc:35:44: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
   scanf("%d%d%d", &a[i].a, &a[i].b, &a[i].c);
                                            ^
/in/foo.cc:35:44: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'long long int*' [-Wformat=]
/in/foo.cc:35:44: warning: format '%d' expects argument of type 'int*', but argument 4 has type 'long long int*' [-Wformat=]