Compilare: user.cpp:5:57: warning: overflow in implicit constant conversion [-Woverflow] int k,n,i,nr,fq[150],j,ck[400005],q,rs1,tab[150],poz,mn=1e13,mx=-1; ^ user.cpp: In function ‘int transform()’: user.cpp:13:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] rez+=fq[s[i]]*pw; ^ user.cpp: In function ‘int main()’: user.cpp:37:33: warning: array subscript has type ‘char’ [-Wchar-subscripts] for (i=0; i<12; ++i) fq[s[i]]=i; ^