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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#257569#7793. 雷同zhouhuanyi20 4ms42844kbC++141.4kb2023-11-19 10:23:502023-11-19 10:23:50

Judging History

你现在查看的是最新测评结果

  • [2023-11-19 10:23:50]
  • 评测
  • 测评结果:20
  • 用时:4ms
  • 内存:42844kb
  • [2023-11-19 10:23:50]
  • 提交

answer

#include<iostream>
#include<cstdio>
#include<algorithm>
#define N 368
#define M 40
using namespace std;
const long long inf=(long long)(1e18);
int read()
{
	char c=0;
	int sum=0;
	while (c<'0'||c>'9') c=getchar();
	while ('0'<=c&&c<='9') sum=sum*10+c-'0',c=getchar();
	return sum;
}
bool cmp(int x,int y)
{
	return x>y;
}
int lowbit(int x)
{
	return x&(-x);
}
int T,n,w[N+1],lg[N+1],ps[N+1][N+1][M+1];
long long S[N+1],F[N+1][N+1][N+1],dp[N+1][N+1][M+1],ans;
int main()
{
	for (int i=2;i<=N;++i) lg[i]=lg[i>>1]+1;
	T=read();
	while (T--)
	{
		n=read(),ans=inf;
		for (int i=1;i<=n;++i) w[i]=read();
		sort(w+1,w+n+1,cmp);
		for (int i=1;i<=n;++i) S[i]=S[i-1]+w[i];
		for (int i=1;i<=n;++i)
			for (int j=i;j<=n;++j)
				for (int k=0;k<=M;++k)
					dp[i][j][k]=F[i][j][k]=inf;
		for (int i=1;i<=n;++i)
			for (int j=0;j<=M;++j)
				dp[i][i][j]=F[i][i][j]=0,ps[i][i][j]=i;
		for (int i=n;i>=1;--i)
			for (int j=i+1;j<=n;++j)
				for (int k=lg[j-i+1];k<=M;++k)
				{
					for (int t=ps[i][j-1][k];t<=ps[i+1][j][k];++t)
						if (F[i][t][k-1]+dp[t+1][j][k-1]+S[j]-S[i-1]<dp[i][j][k])
							dp[i][j][k]=F[i][t][k-1]+dp[t+1][j][k-1]+S[j]-S[i-1],ps[i][j][k]=t;
					if (F[i][j][k-1]+S[j]-S[i-1]<dp[i][j][k]) dp[i][j][k]=F[i][j][k-1]+S[j]-S[i-1],ps[i][j][k]=i;
					F[i][j][k]=min(min(F[i][j][k],F[i][j][k-1]),dp[i][j][k]+(1ll<<k)-1);
				}
		for (int i=1;i<=M;++i) ans=min(ans,dp[1][n][i]);
		printf("%lld\n",ans);
	}
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Subtask #1:

score: 5
Accepted

Test #1:

score: 5
Accepted
time: 0ms
memory: 14068kb

input:

4
6
1 3 5 7 9 11
6
2 4 6 8 10 12
6
100 1000 100 10 100 10
2
114514 1919810

output:

86
103
1981
2034324

result:

ok 4 tokens

Subtask #2:

score: 15
Accepted

Dependency #1:

100%
Accepted

Test #2:

score: 15
Accepted
time: 4ms
memory: 22288kb

input:

5
12
2 4 3 2 2 3 4 2 3 2 2 1
12
3 3 3 2 3 2 3 2 1 1 2 4
12
6 2 2 2 5 4 6 1 2 8 8 6
12
1 4 2 2 1 6 7 2 4 1 7 5
12
11 1 2 6 16 16 15 8 8 16 6 12

output:

114
109
183
146
400

result:

ok 5 tokens

Test #3:

score: 0
Accepted
time: 0ms
memory: 20452kb

input:

5
12
4 2 4 3 2 4 4 4 3 1 1 1
12
3 4 6 5 2 3 2 5 1 3 4 4
12
3 6 4 3 5 2 5 2 5 2 3 1
12
1 2 2 3 7 7 6 4 1 2 9 3
12
12 5 12 4 3 9 3 14 5 11 6 6

output:

120
154
150
162
316

result:

ok 5 tokens

Test #4:

score: 0
Accepted
time: 3ms
memory: 22472kb

input:

5
12
3 1 2 1 2 3 1 1 1 2 1 3
12
4 7 7 6 6 2 3 7 1 7 6 6
12
13 7 13 7 9 1 5 13 3 13 9 7
12
12 12 15 13 15 22 33 33 21 9 15 3
12
123141171 193440418 455041175 665153544 746164805 372591232 659412139 493891488 760749047 4896558 90497398 964891156

output:

80
223
349
708
18084123310

result:

ok 5 tokens

Test #5:

score: 0
Accepted
time: 0ms
memory: 16212kb

input:

5
12
2 4 3 2 5 1 6 2 5 2 1 4
12
2 6 6 6 12 8 8 6 12 6 10 11
12
23 26 26 31 13 20 13 31 2 1 15 30
12
56 33 66 31 27 64 26 2 48 55 46 66
12
113216 35921 62630 73720 41172 102245 41642 39101 40760 105980 2857 63443

output:

133
335
782
1809
2470930

result:

ok 5 tokens

Subtask #3:

score: 0
Wrong Answer

Dependency #2:

100%
Accepted

Test #6:

score: 0
Wrong Answer
time: 0ms
memory: 42844kb

input:

5
30
34 3 20 7 6 9 22 3 24 2 3 40 25 9 6 4 3 36 5 38 21 9 5 4 21 6 28 32 17 3
30
1 6 9 2 6 9 7 2 2 4 3 5 6 8 9 7 2 7 12 7 8 4 9 8 2 8 2 12 3 2
30
4 1 1 4 4 1 3 4 3 2 4 4 1 1 2 3 3 3 2 1 2 4 4 3 3 4 4 4 3 1
30
9 6 9 8 3 10 10 1 6 1 1 6 6 10 4 9 1 4 1 6 1 10 4 9 10 7 5 2 9 8
28
7 9 6 3 5 5 1 10 9 3 1 ...

output:

2020
846
435
854
680

result:

wrong answer 1st words differ - expected: '2019', found: '2020'

Subtask #4:

score: 0
Skipped

Dependency #3:

0%

Subtask #5:

score: 0
Skipped

Dependency #4:

0%

Subtask #6:

score: 0
Wrong Answer

Test #39:

score: 0
Wrong Answer
time: 0ms
memory: 7896kb

input:

2
2500
3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3...

output:

15
15
15
15

result:

wrong answer 1st words differ - expected: '96493', found: '15'

Subtask #7:

score: 0
Skipped

Dependency #5:

0%