Compilare: main.cpp: In function 'int umplere(int, int, int, int, int)': main.cpp:13:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'int fill(int, int)': main.cpp:25:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'int main()': main.cpp:30:28: warning: unused variable 'u' [-Wunused-variable] int k,i,j,aux1,aux2,nr,u,c,z; ^ main.cpp:30:30: warning: unused variable 'c' [-Wunused-variable] int k,i,j,aux1,aux2,nr,u,c,z; ^ main.cpp:47:18: warning: 'aux2' may be used uninitialized in this function [-Wmaybe-uninitialized] a[aux1][aux2]=0; ~~~~~~~~~~~~~^~ main.cpp:47:18: warning: 'aux1' may be used uninitialized in this function [-Wmaybe-uninitialized]