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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#134911#6632. Minimize MedianBoulevardDust#WA 28ms7744kbC++171.1kb2023-08-05 09:57:092023-08-05 09:57:10

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-08-05 09:57:10]
  • 评测
  • 测评结果:WA
  • 用时:28ms
  • 内存:7744kb
  • [2023-08-05 09:57:09]
  • 提交

answer

#include<bits/stdc++.h>
#define N 1000005
#define re 
#define ll long long
using namespace std; 
int n,m,K,q,T;
inline void Rd(int &res){
	re char c;res=0;
	while(c=getchar(),c<48);
	do res=(res<<3)+(res<<1)+(c^48);
	while(c=getchar(),c>47);
}
int a[N],c[N],u;
ll f[N];
int main(){
	Rd(T);
	while(T--){
		Rd(n);Rd(m);Rd(K);
		for(re int i=1;i<=n;i++)Rd(a[i]);
		sort(a+1,a+n+1);
		for(re int i=1;i<=m;i++)Rd(c[i]);
		for(re int i=m-1;i>=1;i--)c[i]=min(c[i],c[i+1]);
		
		f[1]=0;
		for(re int i=2;i<=m+1;i++)f[i]=1e15;
		for(re int i=1;i<=m;i++){
			for(re int j=2;j<=m;j++){
				int x=i*j;
				if(x>m){
					f[m+1]=min(f[m+1],f[i]+c[j]);
					break;
				}
				f[x]=min(f[x],f[i]+c[j]);
			}
		}
		for(re int i=m;i>=1;i--)f[i]=min(f[i],f[i+1]);
		u=(n+1)/2;
		int l=0,r=m,ans=m;
		while(l<=r){
			int mid=(l+r)>>1;
			
			ll res=0;
			for(re int i=1;i<=u;i++)if(a[i]>mid){
				int t=a[i]+1;
				if(mid!=0)t=a[i]/mid;
				while(a[i]/t>mid)t++;
				res+=f[t];
			}
			if(res>K)l=mid+1;
			else ans=mid,r=mid-1;
			
		}
		printf("%d\n",ans);
		
		for(re int i=0;i<=m+1;i++)f[i]=0;
	}
	return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 2ms
memory: 7696kb

input:

3
3 5 0
2 5 2
3 2 4 6 13
3 5 3
2 5 3
3 2 4 6 13
3 5 6
2 5 2
3 2 4 6 13

output:

2
2
1

result:

ok 3 number(s): "2 2 1"

Test #2:

score: -100
Wrong Answer
time: 28ms
memory: 7744kb

input:

100000
5 10 5
3 7 1 10 10
11 6 11 6 1 8 9 1 3 1
5 6 51
2 2 2 5 1
42 61 26 59 100 54
5 10 76
7 5 8 4 7
97 4 44 83 61 45 24 88 44 44
5 8 90
1 1 5 1 3
35 15 53 97 71 83 26 7
5 3 52
1 1 3 1 1
22 6 93
5 6 28
6 6 1 3 1
9 31 2 19 10 27
5 8 31
3 6 2 1 2
32 29 13 7 57 34 9 5
5 6 75
3 3 4 5 4
40 56 38 60 17 3...

output:

0
2
0
0
0
0
0
0
3
4
0
0
0
0
1
1
0
0
0
0
1
1
0
2
2
0
0
0
0
0
2
0
0
0
2
2
0
1
0
0
0
0
1
0
2
4
1
1
0
0
2
0
0
7
0
2
0
0
0
1
1
0
1
0
1
0
0
2
1
0
6
3
0
0
1
0
2
0
0
3
0
1
0
1
0
2
0
0
0
0
1
2
2
4
0
0
0
0
0
0
1
2
2
1
2
2
0
1
1
0
0
0
0
0
1
2
1
4
1
0
4
1
2
1
0
0
0
0
1
2
1
0
0
2
3
1
0
1
1
1
0
1
5
0
1
2
0
2
0
0
...

result:

wrong answer 56th numbers differ - expected: '1', found: '2'