Borderou de evaluare (job #54831)

Eroare de compilare: user.c:2:1: error: unknown type name ‘using’ user.c:2:17: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘std’ user.c: In function ‘main’: user.c:14:5: warning: format ‘%lld’ expects argument of type ‘long long int *’, but argument 3 has type ‘int *’ [-Wformat] user.c:20:13: warning: format ‘%f’ expects argument of type ‘double’, but argument 3 has type ‘int’ [-Wformat] user.c:10:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:14:12: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:23:1: warning: control reaches end of non-void function [-Wreturn-type]