Compilare: main.cpp: In function 'void Citire()': main.cpp:24:12: warning: unused variable 'j' [-Wunused-variable] int i, j; ^ main.cpp: In function 'void DFS_1(int)': main.cpp:39:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j = 0; j < L[k].size(); j++) ~~^~~~~~~~~~~~~ main.cpp: In function 'void DFS_2(int)': main.cpp:53:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j = 0; j < G[k].size(); j++) ~~^~~~~~~~~~~~~ main.cpp: In function 'void Rezolva()': main.cpp:65:12: warning: unused variable 'j' [-Wunused-variable] int i, j, nod; ^ main.cpp: In function 'void Afisare()': main.cpp:89:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < CTC_solution.size(); i++) ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp:91:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j = 0; j < CTC_solution[i].size()-1; j++) ~~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:102:9: warning: unused variable 'i' [-Wunused-variable] int i; ^