Compilare: main.cpp: In function 'int schimblinie(int, int)': main.cpp:16:22: warning: left operand of comma operator has no effect [-Wunused-value] 16 | switch(m[a][i], m[b][i]); | ~~~~~~^ main.cpp:18:1: warning: no return statement in function returning non-void [-Wreturn-type] 18 | } | ^ main.cpp: In function 'int schimbcoloana(int, int)': main.cpp:23:22: warning: left operand of comma operator has no effect [-Wunused-value] 23 | switch(m[i][a], m[i][b]); | ~~~~~~^ main.cpp:25:1: warning: no return statement in function returning non-void [-Wreturn-type] 25 | } | ^