Compilare: main.cpp: In function 'int main()': main.cpp:13:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses] fin>>x+1; ~^~ main.cpp:14:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses] fin>>s+1; ~^~ main.cpp:15:19: warning: NULL used in arithmetic [-Wpointer-arith] for(j=2;x[j]!=NULL;j++) ^~~~ main.cpp:24:23: warning: NULL used in arithmetic [-Wpointer-arith] for(int i=1;s[i]!=NULL;i++) ^~~~