Compilare: main.cpp: In function 'bool BellmanFord(int)': main.cpp:28:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 28 | for (int j = 0; j < graf[u].size(); j++) { | ~~^~~~~~~~~~~~~~~~ main.cpp:13:24: warning: unused variable 's' [-Wunused-variable] 13 | int u, v, pondere, s, in_q[1001], nr[1001]; | ^