Compilare: main.cpp:2:20: warning: suggest parentheses around '+' inside '<<' [-Wparentheses] #define DIM (1<<20 + 5) ~~~^~~ main.cpp:13:16: note: in expansion of macro 'DIM' unsigned int v[DIM]; ^~~ main.cpp: In function 'int main()': main.cpp:43:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=1; i<=n; i++){ ~^~~ main.cpp:47:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=1; i<=n; i++){ ~^~~ main.cpp:65:29: warning: format '%d' expects argument of type 'int', but argument 3 has type 'long long int' [-Wformat=] fprintf (fout, "%d", sol); ^ main.cpp: In function 'int numar()': main.cpp:25:41: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(buff, 1, DIMBUFF, fin); ^ main.cpp:33:41: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(buff, 1, DIMBUFF, fin); ^ main.cpp: In function 'int main()': main.cpp:41:33: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(buff, 1, DIMBUFF, fin); ^