运行 ID: 130103

Main.cc: In function ‘int main()’:
Main.cc:4:28: error: expected ‘]’ before ‘,’ token
  unsigned long long n,a[100,i];
                            ^
Main.cc:4:30: error: expected initializer before ‘]’ token
  unsigned long long n,a[100,i];
                              ^
Main.cc:5:2: error: ‘a’ was not declared in this scope
  a[1]=1,a[2]=2,a[3]=4
  ^
Main.cc:4:21: warning: unused variable ‘n’ [-Wunused-variable]
  unsigned long long n,a[100,i];
                     ^