Compilare: main.cpp: In function 'bool subsir(char*, char*)': main.cpp:21:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if( i==strlen(x) ) return true; ~^~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:36:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(strlen(x[i])>Max) ~~~~~~~~~~~~^~~~ main.cpp:41:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if(strlen(x[i])==Max) ~~~~~~~~~~~~^~~~~