Compilare: main.cpp: In function 'int main()': main.cpp:17:20: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 17 | for (int i=0; i<strlen (b); i++) if (a[0]==b[i]) { | ~^~~~~~~~~~~ main.cpp:22:28: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 22 | for (int i=1; i<strlen(a)-1 &&p==true; i++){ | ~^~~~~~~~~~~~