Submission #21,587

2026-01-13 16:55:04

cpp17

Accepted 35/35

25ms

756 KiB

// UUID: 2dfbb875-65ee-46f9-bd95-2e9f02dc3b77
#include <bits/stdc++.h>
using namespace std;

int main() {
	int N=0;
	cin >> N;

	vector<int>A(N);
	for (int i=0; i<N; i++) {
		cin >> A[i];
	}

	A[N-2]+=A[N-1];
	for (int i=N-3; i>-1; i-=1) {
		int temp1=A[i+1];
		int temp2=A[i+2];

		if (temp1<temp2) {
			A[i]+=temp1;
		} else {
			A[i]+=temp2;
		}
	}

	cout << A[0];
}

	Sum	Test	Verdict		Time	Memory
base	35/35
		1	Accepted	0/0	1ms	512 KiB
		2	Accepted	0/0	24ms	564 KiB
		3	Accepted	1/1	1ms	316 KiB
		4	Accepted	1/1	1ms	316 KiB
		5	Accepted	1/1	1ms	316 KiB
		6	Accepted	1/1	1ms	316 KiB
		7	Accepted	1/1	1ms	316 KiB
		8	Accepted	2/2	1ms	500 KiB
		9	Accepted	2/2	1ms	316 KiB
		10	Accepted	2/2	2ms	316 KiB
		11	Accepted	2/2	3ms	316 KiB
		12	Accepted	2/2	3ms	616 KiB
		13	Accepted	2/2	3ms	432 KiB
		14	Accepted	2/2	6ms	476 KiB
		15	Accepted	2/2	8ms	520 KiB
		16	Accepted	2/2	13ms	564 KiB
		17	Accepted	2/2	17ms	756 KiB
		18	Accepted	2/2	19ms	728 KiB
		19	Accepted	2/2	21ms	756 KiB
		20	Accepted	2/2	21ms	564 KiB
		21	Accepted	2/2	24ms	564 KiB
		22	Accepted	2/2	25ms	564 KiB