QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#693276#8338. Quad Kingdoms Chesssnow_mikumikuWA 22ms8532kbC++142.6kb2024-10-31 15:52:252024-10-31 15:52:25

Judging History

你现在查看的是最新测评结果

  • [2024-10-31 15:52:25]
  • 评测
  • 测评结果:WA
  • 用时:22ms
  • 内存:8532kb
  • [2024-10-31 15:52:25]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
using LL = long long;
using UL = unsigned long long;
const UL mi = 1e9 + 7;
const int N = 1e5 + 10;

UL m995[N], a[N], b[N];
struct tree {
    int l, r;
    UL cnt;
    UL max, hs;
    friend tree operator + (tree &a, tree &b) {
        tree ans;
        ans.cnt = a.cnt + b.cnt;
        if(a.max > b.max) ans.max = a.max;
        else ans.max = b.max;
        ans.hs = a.hs * m995[b.cnt] + b.hs;
        return ans;
    }
}A[N << 2], B[N << 2], nul;

tree ask(int p, UL mx, int ty) 
{
    if(!ty) {
        if(A[p].max < mx || !A[p].l) return nul;
        if(A[p * 2].max < mx) 
            return ask(p * 2 + 1, mx, ty);
        else {
            tree tmp = ask(p * 2, mx, ty);
            return tmp + A[p * 2 + 1];
        }
            
    }

    else {
        if(B[p].max < mx || !B[p].l) return nul;
        if(B[p * 2].max < mx) 
            return ask(p * 2 + 1, mx, ty);
        else {
            tree tmp = ask(p * 2, mx, ty);
            return tmp + B[p * 2 + 1];
        }
    }
}

void update(tree &w, tree &u) {
    w.cnt = u.cnt;
    w.hs = u.hs;
    w.max = u.max;
}

void change(int x, int p, UL To, int ty, int l, int r)
{
    if(!ty) {
        if(l == r) {
            A[p].hs = A[p].max = To;
            return;
        }
        int mid = l + r >> 1;
        if(x <= mid) change(x, p * 2, To, ty, l, mid);
        else change(x, p * 2 + 1, To, ty, mid + 1, r);

        tree tmp = ask(p * 2 + 1, A[p * 2].max, ty);
        tmp = A[p * 2] + tmp;
        update(A[p], tmp);
    }

    else {
        if(l == r) {
            B[p].hs = B[p].max = To;
            return;
        }
        int mid = l + r >> 1;
        if(x <= mid) change(x, p * 2, To, ty, l, mid);
        else change(x, p * 2 + 1, To, ty, mid + 1, r);

        tree tmp = ask(p * 2 + 1, B[p * 2].max, ty);
        tmp = B[p * 2] + tmp;
        update(B[p], tmp);
    }
}

int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);

    m995[0] = 1;
    for(int i = 1; i < N; i++) m995[i] = m995[i - 1] * mi;
    int n, m, q;
    cin >> n;
    for(int i = n; i >= 1; i--) {
        cin >> a[i];
        change(i, 1, a[i], 0, 1, n);
    }

    cin >> m;
    for(int i = m; i >= 1; i--) {
        cin >> b[i];
        change(i, 1, b[i], 1, 1, m);
    }

    int op, x, y;
    cin >> q;
    for(int i = 1; i <= q; i++) {
        cin >> op >> x >> y;
        if(op == 1) x = n - x + 1, change(x, 1, y, 0, 1, n);
        if(op == 2) x = m - x + 1, change(x, 1, y, 1, 1, m);
        if(B[1].hs == A[1].hs) cout << "YES\n";
        else cout << "NO\n"; 
    }
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 8464kb

input:

5
1 2 3 4 5
5
5 4 3 2 1
8
1 1 5
1 4 2
1 2 4
1 5 1
1 5 5
2 1 4
2 3 5
2 5 5

output:

NO
NO
NO
YES
NO
NO
NO
YES

result:

ok 8 tokens

Test #2:

score: -100
Wrong Answer
time: 22ms
memory: 8532kb

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
YES
YES
NO
YES
NO
YES
NO
NO
NO
NO
YES
YES
NO
YES
YES
YES
NO
NO
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
YES
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
YES
NO
YES
YES
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
YES
NO
NO
YES
YES
YES
NO
NO
NO
NO
NO
YE...

result:

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