Submission #74843562

Source Code Expand

#include <iostream>
#include <vector>
using namespace std;

int main(){
	int N; cin>>N;
	vector<int> L(N);
	for (int i=0; i<N; i++) cin>>L[i];
	int ans=0;
	for (int bit=0; bit<(1<<N); bit++){
		long long cur=0, back=0;
		int cnt=0;
		for (int i=0; i<N; i++){
			back = cur;
			if ((bit>>i)&1) cur += L[i];
			else cur -= L[i];
			if ((cur>=0&&back<0)||(cur<0&&back>=0)) cnt++;
		}
		ans = max(ans, cnt);
	}
	cout<<ans<<endl;
}

Submission Info

Submission Time
Task C - Sneaking Glances
User circled_9
Language C++23 (GCC 15.2.0)
Score 300
Code Size 447 Byte
Status AC
Exec Time 20 ms
Memory 3596 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 300 / 300
Status
AC × 3
AC × 34
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt
All sample_01.txt, sample_02.txt, sample_03.txt, test_01.txt, test_02.txt, test_03.txt, test_04.txt, test_05.txt, test_06.txt, test_07.txt, test_08.txt, test_09.txt, test_10.txt, test_11.txt, test_12.txt, test_13.txt, test_14.txt, test_15.txt, test_16.txt, test_17.txt, test_18.txt, test_19.txt, test_20.txt, test_21.txt, test_22.txt, test_23.txt, test_24.txt, test_25.txt, test_26.txt, test_27.txt, test_28.txt, test_29.txt, test_30.txt, test_31.txt
Case Name Status Exec Time Memory
sample_01.txt AC 1 ms 3544 KiB
sample_02.txt AC 1 ms 3380 KiB
sample_03.txt AC 19 ms 3508 KiB
test_01.txt AC 1 ms 3408 KiB
test_02.txt AC 1 ms 3444 KiB
test_03.txt AC 1 ms 3568 KiB
test_04.txt AC 1 ms 3408 KiB
test_05.txt AC 19 ms 3584 KiB
test_06.txt AC 9 ms 3548 KiB
test_07.txt AC 20 ms 3584 KiB
test_08.txt AC 1 ms 3540 KiB
test_09.txt AC 18 ms 3380 KiB
test_10.txt AC 1 ms 3548 KiB
test_11.txt AC 19 ms 3380 KiB
test_12.txt AC 19 ms 3380 KiB
test_13.txt AC 1 ms 3596 KiB
test_14.txt AC 1 ms 3548 KiB
test_15.txt AC 19 ms 3552 KiB
test_16.txt AC 9 ms 3380 KiB
test_17.txt AC 20 ms 3568 KiB
test_18.txt AC 19 ms 3596 KiB
test_19.txt AC 1 ms 3564 KiB
test_20.txt AC 1 ms 3444 KiB
test_21.txt AC 1 ms 3552 KiB
test_22.txt AC 1 ms 3552 KiB
test_23.txt AC 1 ms 3540 KiB
test_24.txt AC 1 ms 3540 KiB
test_25.txt AC 1 ms 3548 KiB
test_26.txt AC 1 ms 3544 KiB
test_27.txt AC 19 ms 3568 KiB
test_28.txt AC 19 ms 3568 KiB
test_29.txt AC 19 ms 3596 KiB
test_30.txt AC 19 ms 3568 KiB
test_31.txt AC 19 ms 3568 KiB