Compilare: main.cpp: In function 'void precalc(int)': main.cpp:31:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0 ; i < v[nod].size() ; i++){ ~~^~~~~~~~~~~~~~~ main.cpp: In function 'void dfsbig(int)': main.cpp:42:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0 ; i < v[nod].size() ; i++){ ~~^~~~~~~~~~~~~~~ main.cpp:50:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0 ; i < v[nod].size() ; i++){ ~~^~~~~~~~~~~~~~~ main.cpp:61:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0 ; i < v[nod].size() ; i++){ ~~^~~~~~~~~~~~~~~ main.cpp:66:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j = 0 ; j < s[vecin].size() ; j++){ ~~^~~~~~~~~~~~~~~~~ main.cpp:71:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (l - poz < s[nod].size()){ ~~~~~~~~^~~~~~~~~~~~~~~ main.cpp:93:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (l - (nv[nod] + 1) < s[nod].size()){ ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~ main.cpp:118:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (l - (val[nod] + 1) < s[nod].size()){ /// exista ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~ main.cpp:125:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (l - val[nod] < s[nod].size()){ /// exista ~~~~~~~~~~~~~^~~~~~~~~~~~~~~ main.cpp: In function 'void dfs(int)': main.cpp:164:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0 ; i < v[nod].size() ; i++){ ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:228:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (s[1].size() == l){ ~~~~~~~~~~~~^~~~ main.cpp:187:36: 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 , 3000000 , fin); ^ main.cpp: In function 'void dfsbig(int)': main.cpp:63:13: warning: 'fiu' may be used uninitialized in this function [-Wmaybe-uninitialized] if (vecin != fiu){ ^~