Compilare: main.cpp: In function 'int swaplinii(int, int)': main.cpp:10:27: warning: no return statement in function returning non-void [-Wreturn-type] 10 | swap(a[x][i],a[y][i]);} | ^ main.cpp: In function 'int swapcol(int, int)': main.cpp:13:27: warning: no return statement in function returning non-void [-Wreturn-type] 13 | swap(a[i][x],a[i][y]);} | ^