Compilare: main.cpp: In function 'bool subsir(char*, char*)': main.cpp:19:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] return (i==strlen(x)); ~^~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:27:22: warning: unused variable 'lmax' [-Wunused-variable] int n,p,i,j,ns=0,lmax=0,pmax=1,ls; ^~~~ main.cpp:27:36: warning: unused variable 'ls' [-Wunused-variable] int n,p,i,j,ns=0,lmax=0,pmax=1,ls; ^~ main.cpp:28:10: warning: unused variable 'ok' [-Wunused-variable] bool ok; ^~