Compilare: In file included from /usr/include/c++/6/cassert:44:0, from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:33, from main.cpp:1: main.cpp: In function 'void solve_cycle()': main.cpp:152:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] assert(r.size() <= cycle_size); ~~~~~~~~~^~~~ main.cpp: In member function 'char InParser::nextch()': main.cpp:18:28: 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, BMAX, fi); ^