Compilare: main.cpp: In function 'void PrecomputePriority()': main.cpp:14:18: warning: variable 'i' set but not used [-Wunused-but-set-variable] 14 | for(auto i: priority) | ^ main.cpp: In function 'int multiply()': main.cpp:39:32: warning: array subscript has type 'char' [-Wchar-subscripts] 39 | while(priority[s[sIndex]] == 2) | ~~~~~~~~^ main.cpp: In function 'int addition()': main.cpp:53:32: warning: array subscript has type 'char' [-Wchar-subscripts] 53 | while(priority[s[sIndex]] == 1) | ~~~~~~~~^