Compilare: main.cpp: In function 'int main()': main.cpp:30:32: warning: array subscript has type 'char' [-Wchar-subscripts] val[i].Nri=++lit[cuv[i]].Nri; ^ main.cpp:47:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(cpoz>k){ ~~~~^~ main.cpp:48:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1;i<=l4;++i) ~^~~~ main.cpp:57:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(poz%(4*k)<=k && poz%(4*k)>0) ~~~~~~~~~^~~ main.cpp:75:22: warning: array subscript has type 'char' [-Wchar-subscripts] nri=lit[c].Nri,nrai=lit[c].Nrai; ^ main.cpp:75:38: warning: array subscript has type 'char' [-Wchar-subscripts] nri=lit[c].Nri,nrai=lit[c].Nrai; ^ main.cpp:76:24: warning: array subscript has type 'char' [-Wchar-subscripts] else nrai=lit[c].Nri,nri=lit[c].Nrai; ^ main.cpp:76:39: warning: array subscript has type 'char' [-Wchar-subscripts] else nrai=lit[c].Nri,nri=lit[c].Nrai; ^ main.cpp:17:15: warning: unused variable 'q' [-Wunused-variable] int i,k,n,q,j; ^