Compilare: main.cpp: In function 'int tie(int&, int&, flow)': main.cpp:38:1: warning: no return statement in function returning non-void [-Wreturn-type] 38 | } | ^ main.cpp: In function 'int bfs(short int, short int)': main.cpp:44:9: warning: unused variable 'new_flow' [-Wunused-variable] 44 | int new_flow=inf; | ^~~~~~~~ main.cpp: In function 'void do_flux()': main.cpp:70:22: warning: suggest parentheses around assignment used as truth value [-Wparentheses] 70 | while(actual_flow=bfs(1,n)&&actual_flow!=-1) | ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~