QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#521846#7744. Elevatorliqingyang#WA 44ms4756kbC++171002b2024-08-16 15:47:592024-08-16 15:47:59

Judging History

你现在查看的是最新测评结果

  • [2024-08-16 15:47:59]
  • 评测
  • 测评结果:WA
  • 用时:44ms
  • 内存:4756kb
  • [2024-08-16 15:47:59]
  • 提交

answer

#include<iostream>
#include<array>
#include<vector>
#include<algorithm>
using namespace std;
int T,n;
long long k;
array<int,3> a[100010];
int main()
{
	ios::sync_with_stdio(false);
	cin.tie(0);
	cin>>T;
	while(T--)
	{
		cin>>n>>k;
		for(int i=1;i<=n;i++)
		{
			cin>>a[i][2]>>a[i][1]>>a[i][0];
		}
		sort(a+1,a+n+1);
		vector<int> v;
		for(int i=1;i<=n;i++)
		{
			if(a[i][1]==1)
			{
				v.emplace_back(i);
			}
		}
		long long ans=0;
		for(int i=n;i;i--)
		{
			long long t=k/a[i][1];
			ans+=(long long)a[i][0]*(a[i][2]/t);
			a[i][2]%=t;
			if(!a[i][2])
			{
				continue;
			}
			ans+=a[i][0],a[i][2]=0;
			long long K=k-a[i][1]*a[i][2];
			for(int j=i-1;j&&K>1;j--)
			{
				int t=min((long long)a[j][2],K/a[j][1]);
				a[j][2]-=t,K-=t*a[j][1];
			}
			if(K==1)
			{
				while(!v.empty()&&!a[v.back()][2])
				{
					v.pop_back();
				}
				if(!v.empty())
				{
					a[v.back()][2]--;
				}
			}
		}
		cout<<ans<<endl;
	}
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3636kb

input:

2
4 6
1 1 8
7 2 5
1 1 7
3 2 6
8 1200000
100000 1 100000
100000 1 12345
100000 2 100000
100000 2 12345
100000 1 100000
100000 1 12345
100000 2 100000
100000 2 12345

output:

24
100000

result:

ok 2 lines

Test #2:

score: -100
Wrong Answer
time: 44ms
memory: 4756kb

input:

5501
8 104
5 2 3
6 2 4
5 2 3
6 2 9
8 2 4
2 1 3
7 2 4
8 2 8
1 290
3 1 1
12 12
6 1 2
1 2 2
1 1 2
1 2 4
6 1 1
1 2 5
6 1 4
4 1 4
6 2 4
6 2 5
4 2 5
4 1 4
5 334
1 1 4
1 2 3
4 2 1
5 1 1
2 1 2
13 218
5 2 3
5 1 4
1 2 1
1 2 5
3 2 2
1 1 3
4 2 2
1 2 5
2 2 1
2 1 5
3 2 1
5 2 1
1 1 4
10 260
7 2 1
5 1 1
5 2 4
6 1 6...

output:

9
1
19
4
5
7
1
3
9
6
1
10
4
7
16
5
4
1
8
5
5
7
1
3
19
6
3
3
2
2
2
3
8
1
5
6
9
11
144
7
10
2
7
7
8
6
5
5
1
7
3
5
10
7
7
10
8
1
4
2
3
9
1
5
2
9
1
6
7
7
6
10
16
8
10
4
10
9
2
8
3
5
9
3
6
5
3
2
6
1
3
2
2
1
6
9
6
3
4
8
9
9
2
6
1
2
6
7
5
2
5
16
8
1
2
3
4
9
3
4
6
5
9
6
1
7
3
7
3
2
2
8
7
3
5
9
7
10
7
3
2
4
...

result:

wrong answer 3rd lines differ - expected: '23', found: '19'