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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#205608#6632. Minimize MedianGeospiza#WA 0ms7860kbC++141.9kb2023-10-07 16:45:142023-10-07 16:45:14

Judging History

你现在查看的是最新测评结果

  • [2023-10-07 16:45:14]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:7860kb
  • [2023-10-07 16:45:14]
  • 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++)
    {
        cnt+=c[a[i]/(x+1)+1];
    }
    printf("x=%lld cnt=%lld\n",x,cnt);
    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,t[p].w=inf;
    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[1]=0;
    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+i;j+=i)
        {
        	ll id=min(j,m+1);
        	change(1,id,id,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: 0
Wrong Answer
time: 0ms
memory: 7860kb

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:

x=2 cnt=0
x=0 cnt=8
x=1 cnt=4
2
x=2 cnt=2
x=0 cnt=8
x=1 cnt=4
2
x=2 cnt=0
x=0 cnt=8
x=1 cnt=4
1

result:

wrong output format Expected integer, but "x=2" found