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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
#793376	#5466. Permutation Compression	guodong^#	WA	1ms	3628kb	C++17	3.2kb	2024-11-29 19:10:22	2024-11-29 19:10:22

Judging History

你现在查看的是最新测评结果

[2024-11-29 19:10:22]
评测

测评结果：WA
用时：1ms
内存：3628kb

查看

[2024-11-29 19:10:22]
提交

answer

#include <bits/stdc++.h>
using namespace std;
class sgt{
    #define ls (pos << 1)
    #define rs (ls | 1)
    #define mid ((l + r) >> 1)
    public:
        int n;
        vector<int> a;
        sgt(int _n){
            n = _n;
            a.resize(4 * n + 4);
        }
        void pu(int pos){
            a[pos] = a[ls] + a[rs];
        }
        void update(int pos,int l,int r,int x,int v){
            if(l == r){
                a[pos] += v;
                return;
            }
            if(x <= mid){
                update(ls,l,mid,x,v);
            }
            if(x > mid)
                update(rs,mid + 1,r,x,v);
            pu(pos);
        }
        int query(int pos,int l,int r,int ql,int qr){
            if(ql > qr) return 0;
            if(ql <= l && r <= qr)
                return a[pos];
            int ans = 0;
            if(ql <= mid)
                ans += query(ls,l,mid,ql,qr);
            if(qr > mid)
                ans += query(rs,mid + 1,r,ql,qr);
            return ans;
        }
        void fix(int pos,int v){
            update(1,1,n,pos,v);
        }
};
#define For(i,a,b) for(int i = a; i <= b; ++i)
signed main(){
    #ifndef ONLINE_JUDGE
        freopen("data.in","r",stdin);
    #endif
    int T;
     ios::sync_with_stdio(false);
    cin >> T;
    while(T--){
        int n,m,k;
        cin >> n >> m >> k;
        vector<pair<int,int>> p(n);
        vector<int> t(n + 1);
        For(i,0,n - 1){
            cin >> p[i].first;
            p[i].second = i + 1;
        }
        For(i,1,m){
            int x;
            cin >> x;
            t[x] = 1;
        }
        multiset<int> L;
        For(i,1,k){
            int x;
            cin >> x;
            L.insert(x);
        }
        if(n - m > k){
            cout << "NO" << '\n';
            continue;
        }
        sort(p.begin(),p.end(),[&](auto a,auto b){return a.first > b.first;});
        sgt st = sgt(n);
        For(i,1,n) 
            st.fix(i,1);
        set<int> S;
        int flag = 0;
        For(i,0,n - 1){
            int x = p[i].first;
            if(t[x]){
                S.insert(p[i].second);
                st.fix(p[i].second,-1);
            }
            else{
                auto it = S.lower_bound(p[i].second);
                int l,r; 
                if(it == S.end())
                    r = n + 1;
                else 
                    r = *it;
                if(it == S.begin()){
                    l = 0;
                }
                else{
                    it--;
                    l = *it;
                }
                ++l, --r;
                int maxx = st.query(1,1,n,l,r);
                // cout << p[i].second << " " << maxx << '\n';
                it = L.upper_bound(maxx);
                if(it == L.begin()){
                    flag = 1;
                    break;
                }
                else{
                    it--;
                    L.erase(it);
                }
                st.fix(p[i].second,-1);
            }
        }
        if(!flag)
            cout << "YES" << '\n';
        else
            cout << "NO" << '\n';
    }
    return 0;
}

源文件, 语言: C++17

详细

Test #1:

score: 100

Accepted

time: 0ms

memory: 3568kb

input:

output:

YES
YES
NO

result:

ok 3 lines

Test #2:

score: -100

Wrong Answer

time: 1ms

memory: 3628kb

input:

100
2 1 2
2 1
2
1 1
2 1 2
1 2
1
2 2
2 1 1
1 2
1
2
6 1 5
3 4 2 5 6 1
3
5 2 1 1 1
6 1 6
2 1 3 6 4 5
1
4 1 2 2 1 4
3 3 2
2 1 3
2 1 3
2 2
1 1 1
1
1
1
1 1 1
1
1
1
2 1 2
2 1
2
1 2
4 4 3
2 1 3 4
2 1 3 4
4 3 1
1 1 1
1
1
1
6 5 1
6 2 5 4 3 1
6 2 4 3 1
4
1 1 1
1
1
1
6 5 3
3 6 1 4 5 2
3 6 1 4 2
3 3 4
4 3 4
3 4 ...

output:

YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
YES
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
YES
YES
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
YES
Y...

result:

wrong answer 45th lines differ - expected: 'NO', found: 'YES'