Borderou de evaluare (job #577767)

Compilare: main.cpp: In function 'void par1(int, int)': main.cpp:18:16: warning: NULL used in arithmetic [-Wpointer-arith] 18 | if(a[i][j]!=NULL && i<=k-1 && j<=k-2) cout<<a[i][j]; | ^~~~ main.cpp:19:21: warning: NULL used in arithmetic [-Wpointer-arith] 19 | if(a[i+1][j+1]!=NULL){ | ^~~~ main.cpp: In function 'void par2(int, int)': main.cpp:24:17: warning: NULL used in arithmetic [-Wpointer-arith] 24 | if(a[i][j]!=NULL && i<=k-1 && j<=k-2){cout<<a[i][j];} | ^~~~ main.cpp:25:21: warning: NULL used in arithmetic [-Wpointer-arith] 25 | if(a[i+1][j-1]!=NULL){ | ^~~~