Compilare: main.cpp: In function 'bool cmp(char*, char*)': main.cpp:29:12: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 29 | while(i<strlen(a) && a[i]==b[i]) | ~^~~~~~~~~~ main.cpp:33:13: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 33 | return i==strlen(a); | ~^~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:71:12: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 71 | while(i<=strlen(b)) | ~^~~~~~~~~~~