Submission #1333200

#	Time	Username	Problem	Language	Result	Execution time	Memory
1333200		model_code	Ducks And Buttons (NOI25_duckbuttons)	C++20	100 / 100	61 ms	1964 KiB

Main

#include <bits/stdc++.h>
using namespace std;

#define int long long

// Main soln.
// O(n) solution.

main() {
	int n, d; cin >> n >> d;
	int arr[n]; for (int x = 0; x < n; x++) cin >> arr[x];
	
	int ducksMoved = 0;
	int ans = 0;
	for (int x = n-1; x > -1; x--){
		
		if (arr[x] > ducksMoved){
			int difference = (arr[x] - ducksMoved);
			
			ans += (difference * x);
			
			ducksMoved = arr[x];
		}
		
	}
	
	cout << ans;
}

Compilation message (stderr)

Main.cpp:9:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    9 | main() {
      | ^~~~

• Subtask 0: 0 / 0
• Subtask 1: 8 / 8
• Subtask 2: 5 / 5
• Subtask 3: 11 / 11
• Subtask 4: 6 / 6
• Subtask 5: 19 / 19
• Subtask 6: 12 / 12
• Subtask 7: 16 / 16
• Subtask 8: 23 / 23