运行 ID: 102301

Main.cc:2:22: error: stray ‘#’ in program
 using namespace std; #define int long long 
                      ^
Main.cc:2:23: error: ‘define’ does not name a type; did you mean ‘dysize’?
 using namespace std; #define int long long 
                       ^~~~~~
                       dysize
Main.cc: In function ‘int main()’:
Main.cc:3:78: error: ‘a’ was not declared in this scope
 int a[200001]; int n,ans; signed main(){ cin>>n; for(int i=1;i<=n;i++){ cin>>a[i]; ans+=abs(a[i]-a[i-1]); } cout<