Submission #1030857

#	Time	Username	Problem	Language	Result	Execution time	Memory
1030857		Unforgettablepl	Security Guard (JOI23_guard)	C++17	25 / 100	18 ms	4196 KiB

guard

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

#define int long long



int32_t main(){
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);
	int n,m,q;
	cin >> n >> m >> q;
	vector<int> arr(n+1);
	for(int i=1;i<=n;i++)cin>>arr[i];
	int ans = 0;
	int curr = 0;
	for(int i=1;i<n;i++){
		ans+=arr[i];
		curr+=arr[i];
		curr-=arr[i+1];
		if(curr<0){
			ans-=curr;
			curr = 0;
		}
	}
	cout << ans << '\n';
}

• Subtask 1: 12 / 12
• Subtask 2: 13 / 13
• Subtask 3: 0 / 12
• Subtask 4: 0 / 13
• Subtask 5: 0 / 8
• Subtask 6: 0 / 18
• Subtask 7: 0 / 24