Compilare: main.cpp: In function 'void write()': main.cpp:45:68: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long int' [-Wformat=] for(node *i = listSortedElements;i;i=i->next) printf("%d ",i->data); ^ main.cpp: In function 'void read()': main.cpp:33:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("sortaret.in","r",stdin); ^ main.cpp:35:48: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%ld %ld",&numberOfNodes,&numberOfEdges); ^ main.cpp:38:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%ld %ld",&start,&end); ^ main.cpp: In function 'void write()': main.cpp:44:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("sortaret.out","w",stdout); ^