Compilare: main.cpp: In function 'int main()': main.cpp:18:32: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 18 | for(int i = 0, j = 0; i<strlen(a) && j<strlen(b); i++, j++) | ~^~~~~~~~~~ main.cpp:18:47: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 18 | for(int i = 0, j = 0; i<strlen(a) && j<strlen(b); i++, j++) | ~^~~~~~~~~~ main.cpp:22:30: warning: array subscript has type 'char' [-Wchar-subscripts] 22 | if(broken[b[j]] == 0) n++; | ~~~^ main.cpp:23:32: warning: array subscript has type 'char' [-Wchar-subscripts] 23 | j++, broken[a[i]]++; | ~~~^