Compilare: main.cpp: In function 'int main()': main.cpp:12:12: warning: array subscript has type 'char' [-Wchar-subscripts] v[c]++; ^ main.cpp:15:15: warning: array subscript has type 'char' [-Wchar-subscripts] if(v[i]>1) ^ main.cpp:7:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("dinozaur.in","r",stdin); ^ main.cpp:8:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("dinozaur.out","w",stdout); ^