Compilare: main.cpp: In function 'void formare()': main.cpp:23:26: warning: array subscript has type 'char' [-Wchar-subscripts] matrice[i][j]=2*n-2; ^ main.cpp:23:29: warning: array subscript has type 'char' [-Wchar-subscripts] matrice[i][j]=2*n-2; ^ main.cpp:27:26: warning: array subscript has type 'char' [-Wchar-subscripts] matrice[i][j]=n-1; ^ main.cpp:27:29: warning: array subscript has type 'char' [-Wchar-subscripts] matrice[i][j]=n-1; ^ main.cpp: In function 'int main()': main.cpp:42:19: warning: array subscript has type 'char' [-Wchar-subscripts] if(util[c1][c2]==0) ^ main.cpp:42:23: warning: array subscript has type 'char' [-Wchar-subscripts] if(util[c1][c2]==0) ^ main.cpp:44:26: warning: array subscript has type 'char' [-Wchar-subscripts] s+=matrice[c1][c2]; ^ main.cpp:44:30: warning: array subscript has type 'char' [-Wchar-subscripts] s+=matrice[c1][c2]; ^ main.cpp:45:20: warning: array subscript has type 'char' [-Wchar-subscripts] util[c1][c2]=1; ^ main.cpp:45:24: warning: array subscript has type 'char' [-Wchar-subscripts] util[c1][c2]=1; ^ main.cpp:46:20: warning: array subscript has type 'char' [-Wchar-subscripts] util[c2][c1]=1; ^ main.cpp:46:24: warning: array subscript has type 'char' [-Wchar-subscripts] util[c2][c1]=1; ^