QOJ.ac

QOJ

ID题目提交者结果用时内存语言文件大小提交时间测评时间
#143806#6130. Plants vs. ZombiesPhantomThreshold#WA 171ms4632kbC++20634b2023-08-21 14:46:522023-08-21 14:46:55

Judging History

你现在查看的是最新测评结果

  • [2023-08-21 14:46:55]
  • 评测
  • 测评结果:WA
  • 用时:171ms
  • 内存:4632kb
  • [2023-08-21 14:46:52]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
int main()
{
	ios_base::sync_with_stdio(false);
	int T;
	cin>>T;
	while(T--)
	{
		int n;
		long long m;
		cin>>n>>m;
		vector<int> a(n+5);
		for(int i=1;i<=n;i++)
		{
			cin>>a[i];
		}
		long long l=0,r=1e18;
		while(l<r)
		{
			long long mid=(l+r+1)/2;
			vector<long long> d(n+5);
			long long tot=0;
			for(int i=1;i<=n;i++)
			{
				if(i==n and d[i]>=mid)break;
				long long st=(mid-d[i]+a[i]-1)/a[i];
				st=max(st,1ll);
				tot+=st*2-1;
				d[i+1]+=(st-1)*a[i+1];
			}
			if(tot<=m)l=mid;
			else r=mid-1;
		}
		cout<<l<<"\n";
	}
	
	return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 1ms
memory: 3444kb

input:

2
4 8
3 2 6 6
3 9
10 10 1

output:

6
4

result:

ok 2 number(s): "6 4"

Test #2:

score: -100
Wrong Answer
time: 171ms
memory: 4632kb

input:

116
4 0
3 2 6 6
4 1
3 2 6 6
10 19
10 2 8 4 2 4 9 3 3 3
4 8
3 9 3 6
2 19
2 10
11 15
3 1 1 4 3 7 10 8 6 7 10
10 14
8 7 1 1 10 9 2 8 10 7
2 13
2 3
10 10
8 1 6 6 9 4 7 1 8 8
7 14
6 7 4 5 3 1 3
11 6
8 1 10 9 7 2 6 6 1 3 9
4 10
6 1 3 8
7 7
10 6 2 10 4 7 2
5 11
9 10 5 9 2
9 1
2 4 8 6 2 8 8 1 6
4 5
7 2 9 8
...

output:

0
0
4
6
20
3
2
14
1
4
0
4
2
6
0
2
24
3
30
10
0
2
3
0
0
2
6
0
1
6
24
28
1
4
3
0
4
10
6
4
1
5
0
2
0
7
30
2
0
0
16
8
0
30
2
30
4
2
0
0
2
0
2
0
5
2
0
0
0
0
5
0
4
6
28
0
0
21
3
0
2
4
0
0
14
4
6
1
0
5
14
3
8
0
4
0
10
12
5
8
1
6
12
0
725
0
17
132
676
588
110
0
163
581298493411633717
1000000000000
722261399...

result:

wrong answer 114th numbers differ - expected: '5910826', found: '581298493411633717'