Compilare: main.cpp:5:20: warning: suggest parentheses around '+' inside '<<' [-Wparentheses] #define DIM (1<<20 + 5) ~~~^~~ main.cpp:16:25: note: in expansion of macro 'DIM' unsigned int n, l, u, v[DIM]; ^~~ main.cpp: In function 'int main()': main.cpp:47:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1; i<=n; i++) ~^~~ main.cpp:50:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1; i<=n; i++){ ~^~~ main.cpp: In function 'int read()': main.cpp:26:44: 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, citire); ^ main.cpp:34:44: 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, citire); ^ main.cpp: In function 'int main()': main.cpp:42:36: 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, citire); ^