Submission #74864156

Source Code Expand

#include<bits/stdc++.h>
using namespace std;
long long n,a[25],maxn;
int main(){
	cin>>n;
	for(int i=1;i<=n;i++){
		cin>>a[i];
	}
	for(int s=0;s<(1<<n);s++){
		double p=0.5;
		long long c=0;
		for(int i=1;i<=n;i++){
			if(s&(1<<(i-1))){
				double lp=p;
				p+=a[i];
				if((lp>0&&p<0)||(lp<0&&p>0))c++;
			}else{
				double lp=p;
				p-=a[i];
				if((lp>0&&p<0)||(lp<0&&p>0))c++;
			}
		}
		maxn=max(maxn,c);
	}
	cout<<maxn;
}

Submission Info

Submission Time
Task C - Sneaking Glances
User ywrow
Language C++23 (GCC 15.2.0)
Score 300
Code Size 452 Byte
Status AC
Exec Time 69 ms
Memory 3680 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 3612 KiB
sample_02.txt AC 1 ms 3600 KiB
sample_03.txt AC 61 ms 3680 KiB
test_01.txt AC 1 ms 3680 KiB
test_02.txt AC 1 ms 3508 KiB
test_03.txt AC 1 ms 3368 KiB
test_04.txt AC 1 ms 3372 KiB
test_05.txt AC 67 ms 3600 KiB
test_06.txt AC 34 ms 3348 KiB
test_07.txt AC 67 ms 3472 KiB
test_08.txt AC 1 ms 3648 KiB
test_09.txt AC 67 ms 3416 KiB
test_10.txt AC 1 ms 3416 KiB
test_11.txt AC 67 ms 3384 KiB
test_12.txt AC 67 ms 3372 KiB
test_13.txt AC 1 ms 3592 KiB
test_14.txt AC 1 ms 3420 KiB
test_15.txt AC 69 ms 3532 KiB
test_16.txt AC 33 ms 3420 KiB
test_17.txt AC 68 ms 3472 KiB
test_18.txt AC 65 ms 3612 KiB
test_19.txt AC 1 ms 3532 KiB
test_20.txt AC 1 ms 3544 KiB
test_21.txt AC 1 ms 3524 KiB
test_22.txt AC 1 ms 3680 KiB
test_23.txt AC 1 ms 3648 KiB
test_24.txt AC 1 ms 3572 KiB
test_25.txt AC 1 ms 3648 KiB
test_26.txt AC 1 ms 3572 KiB
test_27.txt AC 61 ms 3532 KiB
test_28.txt AC 61 ms 3372 KiB
test_29.txt AC 62 ms 3416 KiB
test_30.txt AC 62 ms 3408 KiB
test_31.txt AC 62 ms 3420 KiB