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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#353081#8338. Quad Kingdoms Chessucup-team093WA 28ms4596kbC++202.3kb2024-03-13 20:47:052024-03-13 20:47:07

Judging History

你现在查看的是最新测评结果

  • [2024-03-13 20:47:07]
  • 评测
  • 测评结果:WA
  • 用时:28ms
  • 内存:4596kb
  • [2024-03-13 20:47:05]
  • 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(1919810);

    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";
    }
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 4588kb

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: 25ms
memory: 4336kb

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: 25ms
memory: 4396kb

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: 28ms
memory: 4596kb

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'