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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#128156#6632. Minimize MedianParadoxWA 51ms7724kbC++201.4kb2023-07-20 16:53:202023-07-20 16:53:24

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.
  • [2023-07-20 16:53:24]
  • 评测
  • 测评结果:WA
  • 用时:51ms
  • 内存:7724kb
  • [2023-07-20 16:53:20]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define int long long 
const int N=1e6+10;
int n,m,k;
int a[N],cost[N],b[N];
bool check(int x){
    int sum=0;
    for(int i=1;i<=(n+1)/2;i++){
        sum+=cost[(a[i]+1+x)/(x+1)];
        // cout<<a[i]<<" ";
        if(sum>k) return 0;
    }
    // cout<<endl;
    // cout<<sum<<"__\n";
    return sum<=k;
}
void solve(){
    cin>>n>>m>>k;
    for(int i=1;i<=n;i++) cin>>a[i];
    for(int i=1;i<=m;i++) cin>>cost[i];
    sort(a+1,a+1+n);    
    if(k==0){cout<<a[(n+1)>>1]<<"\n";return;}
    b[m]=cost[m];cost[1]=0;
    for(int i=m-1;i>0;i--) {cost[i]=min(cost[i],cost[i+1]);b[i]=cost[i];}
    for(int i=2;i<=m;i++){
        for(int j=1;j*i<=m;j++)
            b[i*j]=min(b[i*j],b[i]+b[j]);
    }
    for(int i=m-1;i>0;i--) {b[i]=min(b[i],b[i+1]);cost[i]=b[i];}
    cost[m]=b[m];
    cost[1]=0;
    // for(int i=1;i<=m;i++) cout<<cost[i]<<" ";cout<<endl;
    int l=0,r=a[n];
    int ans=l;
    while(l<r){
        // cout<<"--\n";
        int mid=l+r>>1;
        if(check(mid)) {r=mid;}
        else {l=mid+1;}
        // cout<<l<<" "<<r<<endl;
    }
    cout<<r<<"\n";
    return;
}
signed main(){
    ios::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    int t;cin>>t;
    while(t--){
        // cout<<"-___\n";
        solve();
    }
    return 0;
}
/*
5
7
13
4 8 13 18 6
2 3 6 8 4 2 4

5 6 4
7 98 56 34 22
5 2 7 5 2 3 4
*/

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 2ms
memory: 7536kb

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: 51ms
memory: 7724kb

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

result:

wrong answer 34th numbers differ - expected: '0', found: '1'