Compilare: user.cpp: In function ‘std::vector<int> divConquer(int, int, int)’: user.cpp:60:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (i < dc_r.size()) { ^ user.cpp:61:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (j < dc_l.size() && lowerSlope(p[k], p[dc_l[j]], p[dc_r[i]])) { ^ user.cpp:71:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (j < dc_l.size()) { ^ user.cpp: In function ‘int Solve(int, int, int)’: user.cpp:99:9: warning: unused variable ‘sol’ [-Wunused-variable] int sol = 0; ^ user.cpp: In member function ‘void Parser::advC()’: user.cpp:34:43: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(b, 1, SIZE, file_in); ^ user.cpp: In constructor ‘Parser::Parser(const char*)’: user.cpp:15:39: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(b, 1, SIZE, file_in); ^