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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
#353080#8338. Quad Kingdoms Chessucup-team093WA 30ms4684kbC++202.3kb2024-03-13 20:46:262024-03-13 20:46:27

Judging History

你现在查看的是最新测评结果

  • [2024-03-13 20:46:27]
  • 评测
  • 测评结果:WA
  • 用时:30ms
  • 内存:4684kb
  • [2024-03-13 20:46:26]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;

using i64 = long long;
using big = __int128;

const int N = 1e5 + 10;

mt19937 rnd;

i64 b[N];

struct segTree {
    int n, tN;
    vector<int> a, maxp;
    vector<i64> h;

    void merge(int i) {
        maxp[i] = max(maxp[i * 2], maxp[i * 2 + 1]);
        h[i * 2 + 1] = (i * 2 + 1 >= tN ? b[a[i * 2 + 1 - tN]] : 0);
        if(maxp[i * 2] >= maxp[i * 2 + 1]) {
            for(int j = i * 2 * 2; j < tN * 2; ) {
                if(maxp[j + 1] >= maxp[i * 2 + 1]) j ++;
                h[i * 2 + 1] += h[j];
                j *= 2;
            }
        }
    }

    segTree(vector<int> &v) {
        n = v.size();
        a = v;
        a.insert(a.begin(), 0);
        tN = n + 2;
        while(tN != (tN & -tN)) tN += (tN & -tN);

        maxp = vector<int>(tN * 2);
        h = vector<i64>(tN * 2);
        for(int i = 1; i <= n; i ++) {
            maxp[tN + i] = a[i];
            h[tN + i] = b[a[i]];
        }
        
        for(int i = tN - 1; i; i --)
            merge(i);
    }

    void modify(int p, int x) {
        a[p] = x;
        maxp[tN + p] = x;
        h[tN + p] = b[x];

        for(int j = (tN + p) / 2; j; j /= 2)
            merge(j);
    }

    i64 query() {
        i64 ret = 0;
        for(int i = tN + n; i; i /= 2)
            ret += h[i];
        return ret;
    }

    i64 debug() {
        for(int i = 1; i < tN * 2; i ++)
            cout << i << ": " << maxp[i] << " " << h[i] << "\n";
        i64 ret = 0;
        for(int i = tN + n; i; i /= 2)
            ret += h[i];
        return ret;
    }
};

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

    rnd = mt19937(time(0));

    for(int i = 0; i < N; i ++)
        b[i] = rnd();
    
    int n;
    cin >> n;
    vector<int> v(n);
    for(int i = 0; i < n; i ++)
        cin >> v[i];
    
    int m;
    cin >> m;
    vector<int> z(m);
    for(int i = 0; i < m; i ++)
        cin >> z[i];
    
    vector tr{segTree(v), segTree(z)};

    int q;
    cin >> q;
    for(int i = 0, op, p, x; i < q; i ++) {
        cin >> op >> p >> x;
        tr[op - 1].modify(p, x);
        if(tr[0].query() == tr[1].query()) cout << "YES\n";
        else cout << "NO\n";
    }
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 4684kb

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: 0
Accepted
time: 30ms
memory: 4672kb

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:

NO
NO
NO
NO
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
N...

result:

ok 200000 tokens

Test #3:

score: 0
Accepted
time: 21ms
memory: 4456kb

input:

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

output:

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
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:

ok 200000 tokens

Test #4:

score: -100
Wrong Answer
time: 24ms
memory: 4676kb

input:

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

output:

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

result:

wrong answer 25th words differ - expected: 'NO', found: 'YES'