Compilare: main.cpp: In function 'int main()': main.cpp:38:13: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 38 | if(n<=strlen(s1)) | ~^~~~~~~~~~~~ main.cpp:49:25: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 49 | if(aux1-aux2==strlen(copies1)) | ~~~~~~~~~^~~~~~~~~~~~~~~~~ main.cpp:51:25: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 51 | if(aux1-aux2==strlen(s2)) | ~~~~~~~~~^~~~~~~~~~~~ main.cpp:53:25: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 53 | if(aux1-aux2==strlen(s1)) | ~~~~~~~~~^~~~~~~~~~~~ main.cpp: In function 'int pseudofibo(int, int, int, int&)': main.cpp:19:10: warning: 'aux' may be used uninitialized in this function [-Wmaybe-uninitialized] 19 | l=aux-a; | ~~~^~ main.cpp: In function 'int main()': main.cpp:19:10: warning: 'aux' may be used uninitialized in this function [-Wmaybe-uninitialized] 19 | l=aux-a; | ~~~^~ main.cpp:12:9: note: 'aux' was declared here 12 | int aux; | ^~~