Compilare: user.cpp: In function ‘void calcdin()’: user.cpp:127:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j = 0; j < x.size(); ++j) ^ user.cpp:130:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j = 0; j < y.size(); ++j) { ^ user.cpp:136:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < y.size(); ++i) { ^ user.cpp: In function ‘void sol()’: user.cpp:178:44: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(nodc != &rad && !nodc->f[a[i]]) ^ user.cpp:180:24: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(nodc->f[a[i]]) ^ user.cpp:181:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] nodc = nodc->f[a[i]]; ^ user.cpp:162:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &v[i]); ^ user.cpp: In function ‘int main()’: user.cpp:193:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cenzura.in", "r", stdin); ^ user.cpp:194:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cenzura.out", "w", stdout); ^