Borderou de evaluare (job #5642)

Eroare de compilare: user.c:3:1: error: unknown type name ‘using’ user.c:3:17: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘std’ user.c:6:11: error: variably modified ‘a’ at file scope user.c:6:18: error: variably modified ‘b’ at file scope user.c: In function ‘main’: user.c:49:5: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘long long int’ [-Wformat] user.c:29:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:30:28: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:31:28: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:50:1: warning: control reaches end of non-void function [-Wreturn-type]