Compilare: main.cpp: In function 'int main()': main.cpp:68:10: warning: array subscript has type 'char' [-Wchar-subscripts] hsh[s[0]][{min(h1, h2), max(h1, h2)}]++; ^ main.cpp:77:11: warning: array subscript has type 'char' [-Wchar-subscripts] hsh[s[i]][{min(h1, h2), max(h1, h2)}]++; ^ main.cpp:47:32: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("chei.in", "r", stdin); ^ main.cpp:48:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("chei.out", "w", stdout); ^