Compilare: main.cpp: In function 'int main()': main.cpp:16:21: warning: suggest parentheses around '+' inside '>>' [-Wparentheses] 16 | fin >> kmax >> v+1; | ~^~ main.cpp:34:24: warning: converting to non-pointer type 'char' from NULL [-Wconversion-null] 34 | sir1[lng1]=NULL; | ^~~~ main.cpp:39:31: warning: converting to non-pointer type 'char' from NULL [-Wconversion-null] 39 | pun[lng2]=NULL; | ^~~~ main.cpp:42:37: warning: converting to non-pointer type 'char' from NULL [-Wconversion-null] 42 | sir2[lng1-lng2]=NULL; | ^~~~