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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
#718434#6434. Paimon SortingUnlimitedzRE 0ms0kbC++172.4kb2024-11-06 20:30:542024-11-06 20:30:54

Judging History

你现在查看的是最新测评结果

  • [2024-11-06 20:30:54]
  • 评测
  • 测评结果:RE
  • 用时:0ms
  • 内存:0kb
  • [2024-11-06 20:30:54]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
const int N = 2e5 + 5;
typedef long long ll;
const int maxv = 4e6 + 5;
typedef pair<ll, ll> pll;
typedef array<ll, 3> ar;
const ll lnf = 2e18;
const int inf=2e9;
// #define endl "\n"
int mod = 1e9 + 7;

template <typename T>
struct Fenwick {
    int n;
    std::vector<T> a;
    
    Fenwick(int n_ = 0) {
        init(n_);
    }
    
    void init(int n_) {
        n = n_;
        a.assign(n, T{});
    }
    
    void add(int x, const T &v) {
        for (int i = x + 1; i <= n; i += i & -i) {
            a[i - 1] = a[i - 1] + v;
        }
    }
    
    T sum(int x) {
        T ans{};
        x++;
        for (int i = x; i > 0; i -= i & -i) {
            ans = ans + a[i - 1];
        }
        return ans;
    }
    
    T rangeSum(int l, int r) {
        return sum(r) - sum(l);
    }
    
    int select(const T &k) {
        int x = 0;
        T cur{};
        for (int i = 1 << std::__lg(n); i; i /= 2) {
            if (x + i <= n && cur + a[x + i - 1] <= k) {
                x += i;
                cur = cur + a[x - 1];
            }
        }
        return x;
    }
};

void solve()
{
    int n;
    cin>>n;
    vector<int> a(n+1);
    for(int i=1;i<=n;i++) cin>>a[i];
    Fenwick<int> t(n+5);
    set<int> s;
    int ans=0;
    vector<int> p(n+5);
    for(int i=1;i<=n;i++){
        if(i==1){
            // cout<<0<<" ";
            p[i]=0;
            s.insert(a[i]);
            t.add(a[i],1);
        }
        else if(i==2){
            if(a[i]>a[i-1]) ans=2;
            if(a[i]<a[i-1]) ans=1;
            p[i]=ans;
            if(s.find(a[i])!=s.end()) continue;
            t.add(a[i],1),s.insert(a[i]);
        }
        else{
            int res=(int)s.size()-t.sum(a[i]);
            if(res==0) res=2;
            ans+=res;
            p[i]=ans;
            if(s.find(a[i])!=s.end()) continue;
            t.add(a[i],1),s.insert(a[i]);
            // cout<<ans<<" ";
        }
    }
    // cout<<endl;
    // for(int i=3;i<=n;i++){
    //     if(p[2]==2) p[i]--;
    // }
    for(int i=1;i<=n;i++) cout<<p[i]<<" ";
    cout<<endl;
}

int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int t = 1;
    cin >> t;
    while (t--)
    {
        solve();
    }
    system("pause");
    return 0;
}

详细

Test #1:

score: 0
Dangerous Syscalls

input:

3
5
2 3 2 1 5
3
1 2 3
1
1

output:

0 2 3 5 7 
0 2 4 
0 

result: