Borderou de evaluare (job #213971)

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:26:64: warning: unused variable ‘cj’ [-Wunused-variable] user.c:26:60: warning: unused variable ‘ci’ [-Wunused-variable] user.c:26:52: warning: unused variable ‘intrat’ [-Wunused-variable] user.c:26:45: warning: unused variable ‘nextc’ [-Wunused-variable] user.c:26:38: warning: unused variable ‘nextl’ [-Wunused-variable] user.c:27:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:29:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result]