Compilare: main.cpp: In function 'int main()': main.cpp:26:27: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 26 | for (int i = 0; i < strlen(target); i++) | ~~^~~~~~~~~~~~~~~~ main.cpp:27:33: warning: array subscript has type 'char' [-Wchar-subscripts] 27 | keys_target[target[i]]++; | ~~~~~~~~^ main.cpp:28:27: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 28 | for (int i = 0; i < strlen(wrote); i++) | ~~^~~~~~~~~~~~~~~ main.cpp:29:31: warning: array subscript has type 'char' [-Wchar-subscripts] 29 | keys_wrote[wrote[i]]++; | ~~~~~~~^ main.cpp:24:13: warning: unused variable 'max' [-Wunused-variable] 24 | int max = strlen(target); | ^~~