Compilare: main.cpp: In member function 'char String::cel_mai_frecvent_caracter()': main.cpp:63:20: warning: array subscript has type 'char' [-Wchar-subscripts] 63 | frecv[sir[i]]++; | ~~~~~^ main.cpp:64:24: warning: array subscript has type 'char' [-Wchar-subscripts] 64 | if (frecv[sir[i]] > max) { | ~~~~~^ main.cpp:65:30: warning: array subscript has type 'char' [-Wchar-subscripts] 65 | max = frecv[sir[i]]; | ~~~~~^ main.cpp:59:18: warning: iteration 256 invokes undefined behavior [-Waggressive-loop-optimizations] 59 | frecv[i] = 0; | ~~~~~~~~~^~~ main.cpp:58:23: note: within this loop 58 | for (int i = 0; i <= 256; ++i) | ~~^~~~~~ main.cpp:59:18: warning: 'void* __builtin_memset(void*, int, long unsigned int)' forming offset [1024, 1027] is out of the bounds [0, 1024] of object 'frecv' with type 'int [256]' [-Warray-bounds] 59 | frecv[i] = 0; | ~~~~~~~~~^~~ main.cpp:57:9: note: 'frecv' declared here 57 | int frecv[256]; | ^~~~~ main.cpp:70:12: warning: 'solutie' may be used uninitialized in this function [-Wmaybe-uninitialized] 70 | return solutie; | ^~~~~~~