Compilare: main.cpp: In function 'int main()': main.cpp:18:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 18 | for (int i=0;i<strlen(sir1);i++) | ~^~~~~~~~~~~~~ main.cpp:19:22: warning: array subscript has type 'char' [-Wchar-subscripts] 19 | v1[sir1[i]]++; | ~~~~~~^ main.cpp:20:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 20 | for (int i=0;i<strlen(sir2);i++) | ~^~~~~~~~~~~~~ main.cpp:21:22: warning: array subscript has type 'char' [-Wchar-subscripts] 21 | v2[sir2[i]]++; | ~~~~~~^