Compilare: main.cpp: In function 'int main()': main.cpp:62:48: warning: narrowing conversion of 'r' from 'int' to 'char' [-Wnarrowing] 62 | v[elements] = {r, c, num}; | ^ main.cpp:62:51: warning: narrowing conversion of 'c' from 'int' to 'char' [-Wnarrowing] 62 | v[elements] = {r, c, num}; | ^ main.cpp:74:24: warning: array subscript has type 'char' [-Wchar-subscripts] 74 | m[v[i].r][v[i].c] = i; | ~~~~~^ main.cpp:74:32: warning: array subscript has type 'char' [-Wchar-subscripts] 74 | m[v[i].r][v[i].c] = i; | ~~~~~^