Compilare: main.cpp: In function 'void dfs1(int, int)': main.cpp:17:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0;i<L1[nod].size();++i){ ~^~~~~~~~~~~~~~~ main.cpp: In function 'void dfs2(int, int)': main.cpp:28:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0;i<L2[nod].size();++i){ ~^~~~~~~~~~~~~~~ main.cpp: In function 'int cupleaza(int)': main.cpp:40:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0;i<g[nod].size();++i){ ~^~~~~~~~~~~~~~ main.cpp:48:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0;i<g[nod].size();++i){ ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:95:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0;i<v1.size();++i){ ~^~~~~~~~~~ main.cpp:97:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j=0;j<v2.size();++j){ ~^~~~~~~~~~ main.cpp:112:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int idx=0;idx<=L1[nod1].size();++idx) ~~~^~~~~~~~~~~~~~~~~ main.cpp:115:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int ii=0;ii<L1[nod1].size();++ii){ ~~^~~~~~~~~~~~~~~~ main.cpp:119:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int jj=0;jj<L2[nod2].size();++jj){ ~~^~~~~~~~~~~~~~~~ main.cpp:128:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int ii=0;ii<=L1[nod1].size();ii++) ~~^~~~~~~~~~~~~~~~~ main.cpp:130:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int ii=0;ii<=L2[nod2].size();ii++) ~~^~~~~~~~~~~~~~~~~ main.cpp:137:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int idx=0;idx<L1[nod1].size();idx++){ ~~~^~~~~~~~~~~~~~~~ main.cpp:138:29: warning: unused variable 'fiu' [-Wunused-variable] int fiu = L1[nod1][idx]; ^~~ main.cpp:147:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (sol == L2[nod2].size()-1){ /// imi trb doar fiii ~~~~^~~~~~~~~~~~~~~~~~~~