Borderou de evaluare (job #637039)

Compilare: main.cpp: In function 'void par1(int, int)': main.cpp:10:16: warning: NULL used in arithmetic [-Wpointer-arith] 10 | if(a[i][j]!=NULL && i<=k-1 && j<=k-2) cout<<a[i][j]; | ^~~~ main.cpp:11:21: warning: NULL used in arithmetic [-Wpointer-arith] 11 | if(a[i+1][j+1]!=NULL){ | ^~~~ main.cpp: In function 'void par2(int, int)': main.cpp:16:17: warning: NULL used in arithmetic [-Wpointer-arith] 16 | if(a[i][j]!=NULL && i<=k-1 && j<=k-2){cout<<a[i][j];} | ^~~~ main.cpp:17:21: warning: NULL used in arithmetic [-Wpointer-arith] 17 | if(a[i+1][j-1]!=NULL){ | ^~~~