Borderou de evaluare (job #798225)

Compilare: main.cpp: In function 'int main()': main.cpp:29:15: warning: converting to non-pointer type 'char' from NULL [-Wconversion-null] 29 | tr[3]=NULL; | ^~~~ main.cpp:45:21: warning: converting to non-pointer type 'char' from NULL [-Wconversion-null] 45 | t[p][3]=NULL; | ^~~~ main.cpp:21:19: warning: unused variable 'val' [-Wunused-variable] 21 | int p=0,i,j,n,val,f=0,k=0; | ^~~