Compilare: main.cpp: In function 'int main()': main.cpp:31:34: warning: array subscript has type 'char' [-Wchar-subscripts] hsh = hsh + add[p[i]]*pw[lp-i-1]; ^ main.cpp:34:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0; j<dt[wh].size(); ++j) ~^~~~~~~~~~~~~~ main.cpp:46:29: warning: array subscript has type 'char' [-Wchar-subscripts] hsh = hsh + add[s[i]]*pw[lp-i-1]; ^ main.cpp:48:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0; j<dt[wh].size(); ++j) ~^~~~~~~~~~~~~~ main.cpp:56:33: warning: array subscript has type 'char' [-Wchar-subscripts] hsh = (hsh - add[s[i-lp]]*pw[lp-1]) *pww + add[s[i]]; ^ main.cpp:56:60: warning: array subscript has type 'char' [-Wchar-subscripts] hsh = (hsh - add[s[i-lp]]*pw[lp-1]) *pww + add[s[i]]; ^ main.cpp:58:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0; j<dt[wh].size(); ++j) ~^~~~~~~~~~~~~~ main.cpp:18:25: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%s\n",s); ^ main.cpp:25:25: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%s\n",p); ^