Compilare: main.cpp: In function 'std::pair<int, char> compute(int, int)': main.cpp:41:26: warning: array subscript has type 'char' [-Wchar-subscripts] 41 | area[a[ii][jj]] += areaOf[id[ii][jj]]; | ~~~~~~~~^ main.cpp:51:45: warning: array subscript has type 'char' [-Wchar-subscripts] 51 | if (isInMat(ii, jj) && area[a[ii][jj]] > maxArea) { | ~~~~~~~~^ main.cpp:52:36: warning: array subscript has type 'char' [-Wchar-subscripts] 52 | maxArea = area[a[ii][jj]] + 1; | ~~~~~~~~^