Compilare: user.cpp: In function ‘void nr_posib()’: user.cpp:35:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (vocale[sir[i]]) ^ user.cpp: In function ‘void armonie_optima()’: user.cpp:67:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (vocale[sir[i]]) ^ user.cpp: In function ‘int main()’: user.cpp:171:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("text2.in", "r", stdin); ^ user.cpp:172:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s %ld", sir + 1, &N); ^ user.cpp:175:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("text2.out", "w", stdout); ^