Compilare: main.cpp: In member function 'void flow::add_edge(int, int, int)': main.cpp:26:19: warning: narrowing conversion of 'a' from 'int' to 'short int' [-Wnarrowing] 26 | edges.pb({a, b, cap}); | ^ main.cpp:26:22: warning: narrowing conversion of 'b' from 'int' to 'short int' [-Wnarrowing] 26 | edges.pb({a, b, cap}); | ^ main.cpp:28:19: warning: narrowing conversion of 'b' from 'int' to 'short int' [-Wnarrowing] 28 | edges.pb({b, a, 0}); | ^ main.cpp:28:22: warning: narrowing conversion of 'a' from 'int' to 'short int' [-Wnarrowing] 28 | edges.pb({b, a, 0}); | ^ main.cpp: In member function 'int flow::dfs(int, int, int)': main.cpp:53:13: warning: unused variable 'res' [-Wunused-variable] 53 | int res = 0; | ^~~