Compilare: main.cpp: In function 'int main()': main.cpp:50:26: warning: array subscript has type 'char' [-Wchar-subscripts] 50 | fe[dimf[i]][i] = prime[j]; | ~~~~~~^ main.cpp:58:22: warning: array subscript has type 'char' [-Wchar-subscripts] 58 | fe[dimf[i]][i] = el; | ~~~~~~^