Compilare: main.cpp: In function 'int swaplinii(int, int)': main.cpp:23:1: warning: no return statement in function returning non-void [-Wreturn-type] 23 | } | ^ main.cpp: In function 'int swapcol(int, int)': main.cpp:27:11: warning: unused variable 'j' [-Wunused-variable] 27 | int i,j,aux; | ^ main.cpp:34:1: warning: no return statement in function returning non-void [-Wreturn-type] 34 | } | ^