Compilare: user.cpp: In function ‘int main()’: user.cpp:26:8: warning: array subscript has type ‘char’ [-Wchar-subscripts] nr[i][j]^=i; ^ user.cpp:26:11: warning: array subscript has type ‘char’ [-Wchar-subscripts] nr[i][j]^=i; ^ user.cpp:27:8: warning: array subscript has type ‘char’ [-Wchar-subscripts] nr[i][j]^=(j+1); ^ user.cpp:27:11: warning: array subscript has type ‘char’ [-Wchar-subscripts] nr[i][j]^=(j+1); ^ user.cpp:28:13: warning: array subscript has type ‘char’ [-Wchar-subscripts] sol+=nr[i][j]; ^ user.cpp:28:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] sol+=nr[i][j]; ^ user.cpp: In function ‘void kmp(int)’: user.cpp:38:13: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(s1[i]!=s1[k+1]&&k) ^ user.cpp:39:10: warning: array subscript has type ‘char’ [-Wchar-subscripts] k=pi[k]; ^ user.cpp:40:10: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(s1[i]==s1[k+1]) ^ user.cpp:42:7: warning: array subscript has type ‘char’ [-Wchar-subscripts] pi[i]=k; ^ user.cpp:47:13: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(s2[i]!=s1[k+1]&&k) ^ user.cpp:48:10: warning: array subscript has type ‘char’ [-Wchar-subscripts] k=pi[k]; ^ user.cpp:49:10: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(s2[i]==s1[k+1]) ^ user.cpp:54:10: warning: array subscript has type ‘char’ [-Wchar-subscripts] K=pi[k]; ^ user.cpp:58:11: warning: array subscript has type ‘char’ [-Wchar-subscripts] K=pi[K]; ^