Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:86:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (s[vecin].size() > maxim) ~~~~~~~~~~~~~~~~^~~~~~~ main.cpp:104:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (poz-1 < s[nod].size()){ ~~~~~~^~~~~~~~~~~~~~~ main.cpp:105:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (poz >= s[nod].size()) ~~~~^~~~~~~~~~~~~~~~ main.cpp:115:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=1;i<=s[vecin].size();i++){ ~^~~~~~~~~~~~~~~~~ main.cpp:117:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (i < s[vecin].size()){ ~~^~~~~~~~~~~~~~~~~ main.cpp:119:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (i >= s[nod].size()) ~~^~~~~~~~~~~~~~~~ main.cpp:123:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (i >= s[nod].size()) ~~^~~~~~~~~~~~~~~~ main.cpp:137:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (l+1 - v[nod] < s[nod].size()) ~~~~~~~~~~~~~^~~~~~~~~~~~~~~ main.cpp:139:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (l - v[nod] < s[nod].size()) ~~~~~~~~~~~^~~~~~~~~~~~~~~ main.cpp:141:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (l - upd[nod] < s[nod].size()) ~~~~~~~~~~~~~^~~~~~~~~~~~~~~ main.cpp: In member function 'char InParser::read_ch()': main.cpp:15:29: 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, 4096, fin); ^