Eroare de compilare: user.c:3:1: error: unknown type name ‘using’ using namespace std; ^ user.c:3:17: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘std’ using namespace std; ^ user.c:8:1: error: initializer element is not constant FILE*f=fopen("functii.in","r"); ^ user.c:9:1: error: initializer element is not constant FILE*g=fopen("functii.out","w"); ^ user.c: In function ‘main’: user.c:45:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%lld%lld",&n,&s); ^