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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#665037#7744. ElevatorD06AC ✓69ms5976kbC++141.9kb2024-10-22 01:00:552024-10-22 01:00:55

Judging History

This is the latest submission verdict.

  • [2024-10-22 01:00:55]
  • Judged
  • Verdict: AC
  • Time: 69ms
  • Memory: 5976kb
  • [2024-10-22 01:00:55]
  • Submitted

answer

#include <bits/stdc++.h>
using namespace std;
struct t1
{
	long long c,w,f;
}t[100005];
bool cmp(t1 a,t1 b)
{
	return a.f>b.f;
}
long long ans,k;
long long cur,n;
void solve(int i,long long l,bool f)
{
//	cout<<i<<" "<<l<<" "<<f<<" "<<ans<<" "<<cur<<" "<<t[i].c<<endl;
	if(i==n+1)
	{
		return;//边界,1~n都已处理完成 
	}
	if(l==1)
	{
		if(t[i].w==1)
		{
			cur=max(cur,t[i].f);
			ans=ans+cur;
			cur=0;
			t[i].c--;
			if(!t[i].c)
			{
				solve(i+1,k,f);
			}
			else
			{
				solve(i,k,f);
			}
		}
		else
		{
			ans=ans+cur;
			cur=0;
			solve(i,k,f=true);
		}
		return;
	}//保证以下的l至少为2 
	if(t[i].w==1&&f)
	{
		t[i].c--;
		f=false;
		if(!t[i].c)
		{
			solve(i+1,l,f);
			return;
		}
	}//处理f标记,若f标记未去除,则w必定为2 
	if(l/t[i].w>t[i].c)
	{
		cur=max(cur,t[i].f);
		solve(i+1,l-t[i].c*t[i].w,f);
	}//容量绰绰有余 
	else if(l/t[i].w==t[i].c)
	{
		cur=max(cur,t[i].f);
		ans=ans+cur;
		cur=0;
		solve(i+1,k,f|(l%t[i].w));
	}//容量刚好够 
	else
	{
		cur=max(cur,t[i].f);//至少能运载一个 
		ans=ans+cur;
		cur=0;
		t[i].c-=(l/t[i].w);
		ans=ans+t[i].c/(k/t[i].w)*t[i].f;
		t[i].c%=(k/t[i].w);
		if(t[i].c)
		{
			solve(i,k,f|(l%t[i].w));
		}
		else
		{
			solve(i+1,k,f|(l%t[i].w));
		}
	}//容量不够 
}
int main()
{
//	freopen("L.in","r",stdin);
//	freopen("L.out","w",stdout);
	ios::sync_with_stdio(false);
	cin.tie(0);
	int T;
	cin>>T;
	while(T--)
	{
		cin>>n>>k;
		for(int i=1;i<=n;i++)
		{
			cin>>t[i].c>>t[i].w>>t[i].f;
		}
		sort(t+1,t+n+1,cmp);
	//	cout<<"---"<<endl;
		for(int i=1;i<=n;i++)
		{
	//		cout<<i<<':'<<t[i].c<<" "<<t[i].w<<" "<<t[i].f<<endl;
		}
		cur=ans=0;
//		cout<<"i l f ans cur"<<endl;
		solve(1,k,false);//只有w=1才有可能产生标记,而每次w=1都会删除原来的标记 
		cout<<ans+cur<<"\n";
	}
	return 0;
}

这程序好像有点Bug,我给组数据试试?

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3620kb

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: 0
Accepted
time: 41ms
memory: 5960kb

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
23
4
5
7
1
3
9
6
1
10
4
9
17
6
4
1
8
5
5
7
1
3
23
6
3
3
2
2
2
3
8
1
5
6
9
11
147
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
18
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
21
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:

ok 5501 lines

Test #3:

score: 0
Accepted
time: 58ms
memory: 5976kb

input:

3
100000 8
8 2 6
7 2 8
5 1 10
7 2 7
4 1 7
6 2 9
7 1 2
3 1 1
5 1 10
5 1 1
3 2 10
5 2 5
7 1 6
5 2 7
7 2 1
5 1 6
2 2 10
8 1 7
7 1 1
10 2 6
9 1 1
8 1 4
10 1 4
6 1 1
4 1 4
1 2 9
3 2 6
6 1 3
4 1 7
9 2 5
8 2 4
7 2 1
2 2 10
6 2 9
3 1 3
2 2 3
2 2 4
7 2 4
8 1 1
5 2 3
5 2 7
7 2 9
1 1 4
5 1 2
2 1 9
3 2 1
9 2 2
...

output:

568601
4708350936
93900404329230

result:

ok 3 lines

Test #4:

score: 0
Accepted
time: 69ms
memory: 5900kb

input:

3
100000 174
90429 1 64237
30851 1 44358
63571 2 89174
20391 2 28747
13561 2 88689
81508 2 28383
85733 1 5777
37524 2 34730
10588 2 88519
61493 2 83682
55885 1 65270
17669 2 63015
85387 1 64757
91420 2 74020
9067 2 91750
20809 1 52771
36478 2 17941
62064 1 36433
72912 2 6100
53923 2 73971
65825 2 39...

output:

2156004461915
884586357480
59034901233

result:

ok 3 lines

Test #5:

score: 0
Accepted
time: 66ms
memory: 5900kb

input:

3
100000 4418822
19907 1 13081
59730 2 93611
35050 1 5867
87777 1 21890
18374 1 82418
79526 2 76106
33510 2 45826
75573 1 42240
35449 1 98727
80720 2 65290
32021 2 51348
52399 2 97828
75498 2 51728
89905 1 22825
2855 1 26204
11427 1 99583
55530 2 37895
22256 2 92230
19533 1 9142
16138 1 54018
53102 ...

output:

84699074
270668
100000

result:

ok 3 lines

Extra Test:

score: 0
Extra Test Passed