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ID	Problem	Submitter	Result	Time	Memory	Language	File size	Submit time	Judge time
#445888	#8338. Quad Kingdoms Chess	ucup-team045	WA	25ms	16900kb	C++20	2.4kb	2024-06-16 16:38:58	2024-06-16 16:38:59

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[2024-06-16 16:38:59]
评测

测评结果：WA
用时：25ms
内存：16900kb

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[2024-06-16 16:38:58]
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answer

#include<iostream>
#include<cstring>
#include<vector>
#include<random>
using namespace std;
using LL = long long;
using ULL = unsigned long long;
const int maxn = 1e5 + 5;
ULL hsh[maxn];

struct SGT{
    struct Info{
        int mx; ULL hsh;

        Info() : mx(0), hsh(0) {}
        Info(int mx, ULL hsh) : mx(mx), hsh(hsh) {}

    }tr[maxn * 4];

    ULL query(int u, int l, int r, int mx){
        if (tr[u].mx < mx) return 0;
        if (l == r){
            return tr[u].hsh;
        }
        int mid = (l + r) / 2;
        if (tr[2 * u].mx < mx) return query(2 * u + 1, mid + 1, r, mx);
        return query(2 * u, l, mid, mx) + tr[u].hsh - tr[2 * u].hsh;
    }

    void modify(int u, int l, int r, int x, int k){
        if (l == r){
            tr[u].mx = k;
            tr[u].hsh = hsh[k];
            return;
        }
        int mid = (l + r) / 2;
        if (x <= mid) modify(2 * u, l, mid, x, k);
        else modify(2 * u + 1, mid + 1, r, x, k);
        tr[u].mx = max(tr[2 * u].mx, tr[2 * u + 1].mx);
        tr[u].hsh = tr[2 * u].hsh + query(2 * u + 1, mid + 1, r, tr[2 * u].mx);
    }

    void build(int u, int l, int r, vector<int> &a){
        if (l == r){
            tr[u].mx = a[r];
            tr[u].hsh = hsh[a[r]];
            return;
        }
        int mid = (l + r) / 2;
        build(2 * u, l, mid, a);
        build(2 * u + 1, mid + 1, r, a);
        tr[u].mx = max(tr[2 * u].mx, tr[2 * u + 1].mx);
        tr[u].hsh = tr[2 * u].hsh + query(2 * u + 1, mid + 1, r, tr[2 * u].mx);
    }

}tr1, tr2;

int main(){

#ifdef LOCAL
    freopen("data.in", "r", stdin);
    freopen("data.out", "w", stdout);
#endif

    cin.tie(0);
    cout.tie(0);
    ios::sync_with_stdio(0);

    mt19937_64 rnd(4124235623523);
    for(int i = 0; i < maxn; i++){
        hsh[i] = rnd();
    }
    int n;
    cin >> n;
    vector<int> a(n + 1);
    for(int i = 1; i <= n; i++) cin >> a[n - i + 1];
    tr1.build(1, 1, n, a);
    int m;
    cin >> m;
    vector<int> b(m + 1);
    for(int i = 1; i <= m; i++) cin >> b[m - i + 1];
    tr2.build(1, 1, n, b);
    int q;
    cin >> q;
    while(q--){
        int op, x, y;
        cin >> op >> x >> y;
        if (op == 1){
            tr1.modify(1, 1, n, n - x + 1, y);
        }
        else{
            tr2.modify(1, 1, m, m - x + 1, y);
        }
        cout << (tr1.tr[1].hsh == tr2.tr[1].hsh ? "YES" : "NO") << '\n';
    }

}

Source code, Language: C++20

Details

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Test #1:

score: 100

Accepted

time: 3ms

memory: 16880kb

input:

output:

NO
NO
NO
YES
NO
NO
NO
YES

result:

ok 8 tokens

Test #2:

score: -100

Wrong Answer

time: 25ms

memory: 16900kb

input:

1
2
6
2 1 1 1 1 1
200000
2 6 2
1 1 1
1 1 1
1 1 2
2 1 1
1 1 2
1 1 1
2 4 1
2 1 2
1 1 1
1 1 2
2 5 1
1 1 1
1 1 2
1 1 1
2 6 1
1 1 2
1 1 2
1 1 2
2 3 1
1 1 1
2 1 1
2 6 2
1 1 2
2 4 1
1 1 2
2 6 1
1 1 2
1 1 1
2 5 2
2 6 2
1 1 1
2 4 2
2 5 2
2 6 2
1 1 1
2 5 1
2 6 2
1 1 2
1 1 1
1 1 1
2 4 1
1 1 2
1 1 2
1 1 2
2 3 2...

output:

YES
NO
NO
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO...

result:

wrong answer 1st words differ - expected: 'NO', found: 'YES'