Compilare: main.cpp: In function 'int dfs(int, int)': main.cpp:19:1: warning: no return statement in function returning non-void [-Wreturn-type] 19 | } | ^ main.cpp: In function 'int main()': main.cpp:26:10: warning: 'col' may be used uninitialized in this function [-Wmaybe-uninitialized] 26 | char col; | ^~~ main.cpp:107:26: warning: 'b' may be used uninitialized in this function [-Wmaybe-uninitialized] 107 | cout<<a<<" "<<b<<'\n'<<col; | ^~~ main.cpp:107:12: warning: 'a' may be used uninitialized in this function [-Wmaybe-uninitialized] 107 | cout<<a<<" "<<b<<'\n'<<col; | ^~~