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#205423#6632. Minimize MedianGeospiza#WA 62ms7956kbC++141.8kb2023-10-07 15:54:452023-10-07 15:54:46

Judging History

你现在查看的是最新测评结果

  • [2023-10-07 15:54:46]
  • 评测
  • 测评结果:WA
  • 用时:62ms
  • 内存:7956kb
  • [2023-10-07 15:54:45]
  • 提交

answer

#include <bits/stdc++.h>
#define ll long long
#define Ma 1000005
#define mod 998244353
#define N 1005
#define pb push_back
#define ls p<<1
#define rs p<<1|1
using namespace std;
ll inf=1e18;
ll a[Ma],c[Ma];
ll n,m,k;

bool ask(ll x)
{
    ll cnt=0;
    for (ll i=1;i<=(n+1)/2;i++)
    {
        if (a[i]>x)
            cnt+=c[a[i]/(x+1)+1];
    }
    return (cnt<=k);
}

struct sgtree{
 ll l,r,w;
}t[Ma<<2];

void build(ll p,ll l,ll r)
{
    t[p].l=l,t[p].r=r;
    if (l==r)
    {
        t[p].w=c[l];
        return ;
    }
    ll mid=(l+r)>>1;
    build(ls,l,mid);
    build(rs,mid+1,r);
    t[p].w=min(t[ls].w,t[rs].w);
    return;
}

void change(ll p,ll l,ll r,ll d){
    if (l<=t[p].l&&t[p].r<=r){
        t[p].w=min(t[p].w,d);
        return;
    }
    ll mid=(t[p].l+t[p].r)>>1;
    if (l<=mid) change(ls,l,r,d);
    if (r>mid) change(rs,l,r,d);
    t[p].w=min(t[ls].w,t[rs].w);
    return;
}

ll ask(ll p,ll l,ll r)
{

    if (l<=t[p].l&&t[p].r<=r) return t[p].w;
    ll val=inf;
    ll mid=(t[p].l+t[p].r)>>1;
    if (l<=mid) val=min(val,ask(ls,l,r));
    if (r>mid) val=min(val,ask(rs,l,r));
    return val;
}


void sol()
{
    cin>>n>>m>>k;
    for (ll i=1;i<=n;i++)
        cin>>a[i];
    sort(a+1,a+n+1);
    for (ll i=1;i<=m;i++)
        cin>>c[i];
    c[m+1]=inf;
    build(1,1,m+1);
    for (ll i=1;i<=m+1;i++)
    {
        c[i]=ask(1,i,m+1);
        for (ll j=i*2;j<=m+1&&j<=i*i;j+=i)
            change(1,j,j,c[i]+c[j/i]);
    }
    ll l=0,r=m;
    while (l<=r)
    {
        ll mid=(l+r)>>1;
        if (ask(mid))
            r=mid-1;
        else
            l=mid+1;
    }
    printf("%lld\n",l);
}

int main()
{
    ios::sync_with_stdio(0); cin.tie(0);
    ll tt=1;
    cin>>tt;
    while (tt--)
        sol();
    return 0;
}

详细

Test #1:

score: 100
Accepted
time: 1ms
memory: 7956kb

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: 62ms
memory: 7920kb

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
0
1
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
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
1
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'