Problem	duckbuttons
User	chatdanai
Submission Time	2026-01-14 09:38:38
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

duckbuttons.cpp:4:15: error: expected initializer before ‘ios_base’
4 | signed main() ios_base::sync_with_stdio(false); cin.tie(0); int n, d,bonus=0,ans=0; cin >> n >> d; vector<int> a(n); for (int i=0;i<n;i++) cin >> a[i]; for (int i=n-1;i>=0;i--) if (a[i]>bonus) ans+=i*(a[i]-bonus),bonus=a[i]; cout << ans;
| ^~~~~~~~
duckbuttons.cpp:4:49: error: ‘cin’ does not name a type; did you mean ‘sin’?
4 | signed main() ios_base::sync_with_stdio(false); cin.tie(0); int n, d,bonus=0,ans=0; cin >> n >> d; vector<int> a(n); for (int i=0;i<n;i++) cin >> a[i]; for (int i=n-1;i>=0;i--) if (a[i]>bonus) ans+=i*(a[i]-bonus),bonus=a[i]; cout << ans;
| ^~~
| sin
duckbuttons.cpp:4:85: error: ‘cin’ does not name a type; did you mean ‘sin’?
4 | signed main() ios_base::s