Compilare: user.cpp: In function ‘int main()’: user.cpp:20:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] nextt[n][s[n]]=n; ^ user.cpp:24:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] nextt[i][s[i]]=i; ^ user.cpp:32:41: warning: array subscript has type ‘char’ [-Wchar-subscripts] sp=sp-subsir[nextt[i+1][s[i]]]+subsir[i]; ^ user.cpp:33:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (sp > k) ^ user.cpp:38:29: warning: unused variable ‘cp’ [-Wunused-variable] int pz=nextt[1][j], cp=0, ta=0; ^