Compilare: user.cpp: In member function ‘void nr_real::afisare_cod(FILE*)’: user.cpp:39:22: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘long long int’ [-Wformat=] fprintf(out,"%d ",n); ^ user.cpp: In member function ‘void nr_real::codificare()’: user.cpp:112:18: warning: left operand of comma operator has no effect [-Wunused-value] nr1*10,nr1+=cifre[i]-'0'; ^ user.cpp: In function ‘int main()’: user.cpp:177:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("coduri.in","r",stdin); ^ user.cpp:178:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("coduri.out","w",stdout); ^ user.cpp:180:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d ",&n); ^ user.cpp: In member function ‘void nr_real::citire(FILE*)’: user.cpp:31:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%s ",cifre); ^