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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
#693432#8338. Quad Kingdoms Chesssnow_mikumikuWA 27ms9960kbC++143.1kb2024-10-31 16:09:022024-10-31 16:09:21

Judging History

你现在查看的是最新测评结果

  • [2024-10-31 16:09:21]
  • 评测
  • 测评结果:WA
  • 用时:27ms
  • 内存:9960kb
  • [2024-10-31 16:09:02]
  • 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;
    }
    friend tree operator - (tree &a, tree &b) {
        tree ans;
        ans.cnt = a.cnt - b.cnt;
        ans.hs = a.hs - m995[a.cnt - b.cnt] * b.hs;
        return ans;
    }

}A[N << 2], B[N << 2], nul;

tree ask(int p, UL mx, int ty, int l, int r) 
{
    int mid = l + r >> 1;
    if(!ty) {
        if(A[p].max < mx || A[p].max == 0) return nul;
        if(A[p * 2].max < mx) 
            return ask(p * 2 + 1, mx, ty, mid + 1, r);
        else {
            tree tmp = ask(p * 2, mx, ty, l, mid);
            tree tmp2 = A[p] - A[p * 2];
            tmp2.max = A[p * 2 + 1].max;
            return tmp + tmp2;
        }
            
    }

    else {
        if(B[p].max < mx || B[p].max == 0) return nul;
        if(B[p * 2].max < mx) 
            return ask(p * 2 + 1, mx, ty, mid + 1, r);
        else {
            tree tmp = ask(p * 2, mx, ty, l, mid);
            tree tmp2 = B[p] - B[p * 2];
            tmp2.max = B[p * 2 + 1].max;
            return tmp + tmp2;
        }
    }
}

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, mid + 1, r);
        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, mid + 1, r);
        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"; 
    }
}

详细

Test #1:

score: 100
Accepted
time: 1ms
memory: 7992kb

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: 27ms
memory: 9960kb

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'