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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
#623825#7617. Spectacleucup-team4992#WA 1ms4640kbC++201.6kb2024-10-09 14:07:212024-10-09 14:07:27

Judging History

你现在查看的是最新测评结果

  • [2024-10-09 14:07:27]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:4640kb
  • [2024-10-09 14:07:21]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;


struct DSU{
    vector<int>fa,sz;

    DSU(int siz):fa(siz+1),sz(siz+1){
        for(int i=1;i<=siz;i++){
            fa[i]=i;
        }
    }
    int find(int x){return fa[x]==x?x:fa[x]=find(fa[x]);}
    void merge(int x,int y){
        x=find(x);y=find(y);
        if(x==y) return;
        fa[x]=y;
        sz[y]+=sz[x];
    }
};
const int maxn=2e5+10;
using pii=pair<int,int>;
using Edge=tuple<int,int,int>;
int ans[maxn],a[maxn];
int n;
int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);cout.tie(0);

    cin>>n;
    vector<pii>edges;
    for(int i=1;i<=n;i++){
        cin>>a[i];
    }
    sort(a+1,a+n+1);
    for(int i=1;i<n;i++){
        edges.push_back({a[i+1]-a[i],i});
    }
    sort(edges.begin(),edges.end());
    DSU dsu(n);
    memset(ans,0x3f3f3f3f,sizeof(ans));
    for(int i=0,j=0;i<n-1;i++){
        int oj=j;
        auto [df,id]=edges[i];
        dsu.sz[id]=1;
        j++;

        int u=id-1;
        u=dsu.find(u);
        if(dsu.sz[u]!=0){
            u=dsu.find(u);
            j-=(dsu.sz[u]+1)/2;
            j-=(dsu.sz[dsu.find(id)]+1)/2;
            dsu.merge(id,u);
            j+=(dsu.sz[u]+1)/2;
        }
        u=id+1;
        u=dsu.find(u);
        if(dsu.sz[u]!=0){
            u=dsu.find(u);
            j-=(dsu.sz[u]+1)/2;
            j-=(dsu.sz[dsu.find(id)]+1)/2;
            dsu.merge(id,u);
            j+=(dsu.sz[u]+1)/2;
        }
        for(int k=oj+1;k<=j;k++){
            ans[k]=min(ans[k],df);
        }
    }
    for(int i=1;i<=(n/2);i++){
        cout<<ans[i]<<' ';
    }
    return 0;
}

详细

Test #1:

score: 100
Accepted
time: 1ms
memory: 4640kb

input:

6
100 13 20 14 10 105

output:

1 5 6 

result:

ok single line: '1 5 6 '

Test #2:

score: -100
Wrong Answer
time: 1ms
memory: 4408kb

input:

2
1 1000000000000000000

output:

1061109567 

result:

wrong answer 1st lines differ - expected: '999999999999999999', found: '1061109567 '