Compilare: user.cpp: In function ‘bool Dijkstra()’: user.cpp:31:12: warning: unused variable ‘j’ [-Wunused-variable] int i, j; ^ user.cpp: In function ‘void BellmanFord()’: user.cpp:78:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < tgraf[pVerif].size(); i++) { ~~^~~~~~~~~~~~~~~~~~~~~~ user.cpp:71:12: warning: unused variable ‘j’ [-Wunused-variable] int i, j; ^ user.cpp: In function ‘int main()’: user.cpp:99:12: warning: unused variable ‘j’ [-Wunused-variable] int i, j; ^