Compilare: main.cpp: In function 'int bellman(int, int)': main.cpp:39:1: warning: no return statement in function returning non-void [-Wreturn-type] 39 | } | ^ main.cpp: In function 'int main()': main.cpp:44:30: warning: unused variable 'c' [-Wunused-variable] 44 | int n, m, i, s, d, a, b, c, z, min_cost = 0, max_flux = 0; | ^ main.cpp:44:33: warning: unused variable 'z' [-Wunused-variable] 44 | int n, m, i, s, d, a, b, c, z, min_cost = 0, max_flux = 0; | ^