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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
#280624#7782. Ursa Minorucup-team1198#TL 2133ms24732kbC++146.2kb2023-12-09 17:18:122023-12-09 17:18:14

Judging History

你现在查看的是最新测评结果

  • [2023-12-09 17:18:14]
  • 评测
  • 测评结果:TL
  • 用时:2133ms
  • 内存:24732kb
  • [2023-12-09 17:18:12]
  • 提交

answer

#include <map>
#include <set>
#include <array>
#include <cmath>
#include <deque>
#include <bitset>
#include <random>
#include <string>
#include <vector>
#include <cassert>
#include <complex>
#include <iomanip>
#include <iostream>
#include <algorithm>
#include <unordered_map>
#include <unordered_set>

using namespace std;

const int K = 393;
const int MAXN = 400400;

long long fenw[MAXN];

void add(int i, long long x) {
  for (; i < MAXN; i = (i | (i + 1)))
    fenw[i] += x;
}

long long get(int i) {
  long long ans = 0;
  for (; i >= 0; i = (i & (i + 1)) - 1)
    ans += fenw[i];
  return ans;
}

long long get(int l, int r) {
  return get(r - 1) - get(l - 1);
}


int gcd(int a, int b) {
  while (b) {
    a %= b;
    swap(a, b);
  }
  return a;
}

int tree_gcd[(1 << 19) + 228];

void build(int v, int left, int right, vector<int>& A) {
  if (left + 1 == right) {
    tree_gcd[v] = A[left];
    return;
  }
  int mid = (left + right) / 2;
  build(2 * v + 1, left, mid, A);
  build(2 * v + 2, mid, right, A);
  tree_gcd[v] = gcd(tree_gcd[2 * v + 1], tree_gcd[2 * v + 2]);
}

int get_gcd(int v, int left, int right, int x, int y) {
  if (y <= left || right <= x)
    return 0;
  if (x <= left && right <= y)
    return tree_gcd[v];
  int mid = (left + right) / 2;
  return gcd(get_gcd(2 * v + 1, left, mid, x, y), get_gcd(2 * v + 2, mid, right, x, y));
}


const int MOD = 1e9 + 7;

int add(int a, int b) {
  return a + b >= MOD ? a + b - MOD : a + b;
}

int sub(int a, int b) {
  return a >= b ? a - b : a + MOD - b;
}

int mul(int a, int b) {
  return (1ll * a * b) % MOD;
}

const int BASE = 547;
int BASEPOW[MAXN];

pair<int, int> combine(const pair<int, int>& A, const pair<int, int>& B) {
  return make_pair(add(mul(A.first, BASEPOW[B.second]), B.first), A.second + B.second);
}

const pair<int, int> NONE(0, 0);

int cur_vals[MAXN];
pair<int, int> suff_hashes[MAXN];
pair<int, int> pref_hashes[MAXN];

pair<int, int> get_segm_hash(int left, int right) {
  int l = left / K + 1;
  int r = right / K;
  pair<int, int> ans = suff_hashes[left];
  for (int i = l; i < r; ++i)
    ans = combine(ans, suff_hashes[i * K]);
  ans = combine(ans, pref_hashes[right]);
  return ans;
}

void recalc_block(int id) {
  id /= K;
  pair<int, int> cur_pref = NONE;
  for (int i = id * K; i < id * K + K; ++i) {
    cur_pref = combine(cur_pref, make_pair((cur_vals[i] + MOD) % MOD, 1));
    pref_hashes[i] = cur_pref;
  }
  pair<int, int> cur_suff = NONE;
  for (int i = id * K + K - 1; i >= id * K; --i) {
    cur_suff = combine(make_pair((cur_vals[i] + MOD) % MOD, 1), cur_suff);
    suff_hashes[i] = cur_suff;
  }
}

int main() {
#ifdef DEBUG
  freopen("input.txt", "r", stdin);
  freopen("output.txt", "w", stdout);
#else
  ios::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
#endif

  BASEPOW[0] = 1;
  for (int i = 1; i < MAXN; ++i)
    BASEPOW[i] = mul(BASEPOW[i - 1], BASE);

  int n, m, q;
  cin >> n >> m >> q;
  vector<long long> A(n);
  for (int i = 0; i < n; ++i)
    cin >> A[i];
  vector<int> B(m);
  for (int i = 0; i < m; ++i)
    cin >> B[i];
  build(0, 0, m, B);
  vector<pair<pair<int, int>, int>> queries(q);
  vector<int> interesting;
  for (int i = 0; i < q; ++i) {
    char c;
    cin >> c;
    if (c == 'U') {
      int p, v;
      cin >> p >> v;
      --p;
      queries[i] = make_pair(make_pair(p, v), -1);
    } else {
      int l, r, s, t;
      cin >> l >> r >> s >> t;
      --l;
      --r;
      --s;
      --t;
      int k = gcd(r - l + 1, get_gcd(0, 0, m, s, t + 1));
      if (k <= K)
        interesting.emplace_back(k);
      queries[i] = make_pair(make_pair(l, r), k);
    }
  }
  vector<bool> ans(q);
  sort(interesting.begin(), interesting.end());
  interesting.resize(unique(interesting.begin(), interesting.end()) - interesting.begin());
  vector<long long> cur_a;
  for (int k : interesting) {
    cur_a = A;
    fill(fenw, fenw + 2 * n, 0);
    auto get_real_id = [n, k](int i) {
      return (i % k) * (n / k + 1) + i / k;
    };
    for (int i = 0; i < n; ++i) {
      add(get_real_id(i), cur_a[i] - (i == 0 ? 0 : cur_a[i - 1]));
    }
    for (int j = 0; j < q; ++j) {
      if (queries[j].second == -1) {
        // upd
        int i = queries[j].first.first;
        int x = queries[j].first.second;
        add(get_real_id(i), x - cur_a[i]);
        if (i + 1 < n)
          add(get_real_id(i + 1), cur_a[i] - x);
        cur_a[i] = x;
      } else if (queries[j].second == k) {
        // query
        int l = queries[j].first.first;
        int r = queries[j].first.second;
        ans[j] = true;
        for (int i = 1; i < k; ++i) {
          // l + i
          long long cur_sum = get(get_real_id(l + i), get_real_id(r + 1 - k + i) + 1);
          if (cur_sum != 0)
            ans[j] = false;
        }
        long long cur_sum = get(get_real_id(l), get_real_id(r + 1 - k) + 1) + (l == 0 ? 0 : cur_a[l - 1]) - cur_a[r];
        if (cur_sum != 0)
          ans[j] = false;
      }
    }
  }
  for (int i = 0; i < n; ++i)
    cur_vals[i] = A[i] - (i == 0 ? 0 : A[i - 1]);
  for (int i = 0; i < n; i += K)
    recalc_block(i);
  cur_a = A;
  for (int j = 0; j < q; ++j) {
    if (queries[j].second == -1) {
      // upd
      int i = queries[j].first.first;
      int x = queries[j].first.second;
      cur_vals[i] += x - cur_a[i];
      if (i + 1 < n)
        cur_vals[i + 1] += cur_a[i] - x;
      cur_a[i] = x;
      recalc_block(i);
      if ((i + 1) / K != i / K)
        recalc_block(i + 1);
    } else if (queries[j].second > K) {
      // query
      int l = queries[j].first.first;
      int r = queries[j].first.second;
      int k = queries[j].second;
      int total_hash = 0;
      for (int i = l; i < r; i += k) {
        total_hash = add(total_hash, get_segm_hash(i, i + k - 1).first);
      }
      int delta = (l == 0 ? 0 : cur_a[l - 1]) - cur_a[r];
      total_hash = add(total_hash, mul(delta, BASEPOW[k - 1]));
      ans[j] = total_hash == 0;
    }
  }

  for (int i = 0; i < q; ++i) {
    if (queries[i].second != -1) {
      if (ans[i])
        cout << "Yes\n";
      else
        cout << "No\n";
    }
  }
  return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 4ms
memory: 13892kb

input:

6 4 5
1 1 4 5 1 4
3 3 2 4
Q 1 5 1 2
Q 2 5 3 4
U 5 2
Q 1 6 1 2
Q 2 5 3 4

output:

Yes
No
No
Yes

result:

ok 4 tokens

Test #2:

score: 0
Accepted
time: 4ms
memory: 13868kb

input:

1 1 1
0
1
Q 1 1 1 1

output:

Yes

result:

ok "Yes"

Test #3:

score: 0
Accepted
time: 447ms
memory: 16288kb

input:

2000 2000 200000
1 1 2 0 0 2 0 2 0 0 0 0 0 2 2 1 2 0 0 2 2 2 1 0 1 2 1 2 0 0 1 1 1 2 0 0 2 2 2 2 0 2 0 0 2 1 2 0 0 1 2 2 1 0 2 0 0 0 1 2 2 1 2 2 0 0 1 1 1 0 0 2 0 0 1 1 0 2 2 2 1 0 0 1 0 1 2 2 2 1 1 2 2 1 2 1 0 2 2 3 1 3 2 3 1 0 1 2 0 1 1 1 0 2 2 3 2 0 3 2 3 3 1 2 3 1 2 0 1 0 3 1 0 0 2 0 1 2 1 3 2 2...

output:

Yes
Yes
No
Yes
Yes
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
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Yes
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No
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Yes
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Yes
No
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No
Yes
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
No...

result:

ok 100554 tokens

Test #4:

score: 0
Accepted
time: 394ms
memory: 17008kb

input:

1 200000 200000
998244353
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

output:

Yes
Yes
Yes
Yes
Yes
Yes
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Yes
Yes
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Yes
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Yes
Yes
Yes
Yes
Yes
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Yes
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Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
...

result:

ok 100240 tokens

Test #5:

score: 0
Accepted
time: 373ms
memory: 16724kb

input:

6 131072 200000
0 0 0 0 1000000000 1000000000
4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 ...

output:

Yes
Yes
Yes
No
No
No
Yes
No
No
No
No
No
Yes
Yes
No
Yes
No
Yes
Yes
Yes
No
No
No
No
No
No
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Yes
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Yes
Yes
Yes
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Yes
No
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Yes
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Yes
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No
No
No
No
No
No
No
Yes
No
No
No
No
No
No
Yes
Yes
No
Yes
N...

result:

ok 100021 tokens

Test #6:

score: 0
Accepted
time: 2133ms
memory: 24732kb

input:

200000 200000 200000
490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877...

output:

No
No
No
No
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No
No
No
No
No
No
No
No
No
Yes
No
No
No
Yes
No
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Yes
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Yes
Yes
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Yes
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No
No
No
No
No
No
Yes
No
Yes
Yes
No
No
No
No
No
No
No
No
N...

result:

ok 187340 tokens

Test #7:

score: 0
Accepted
time: 1933ms
memory: 24648kb

input:

200000 200000 200000
360543531 360543531 360543531 360543531 360543531 360543531 360543531 360543531 360543531 360543531 360543531 360543531 360543531 360543531 360543531 360543531 360543531 360543531 360543531 360543531 360543531 360543531 360543531 360543531 360543531 360543531 360543531 360543531...

output:

Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
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Yes
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Yes
Yes
Yes
Yes
Yes
Yes
Yes
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Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
...

result:

ok 199985 tokens

Test #8:

score: 0
Accepted
time: 1919ms
memory: 24052kb

input:

200000 200000 200000
793134805 922104801 158394038 993313213 77527653 992889267 148461787 499165677 132176015 189185554 783374975 332147281 923925325 371040161 393285793 437388761 138662855 212488140 265392646 498903298 578518594 550390771 960084339 408548934 56106823 814997309 456913457 300689692 1...

output:

No
No
No
No
No
No
No
No
No
No
No
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
Yes
No
No
No
No
No
No
No
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
No
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No
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No
No
No
No
No
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No
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No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
Yes
No...

result:

ok 200000 tokens

Test #9:

score: 0
Accepted
time: 1891ms
memory: 24552kb

input:

200000 200000 200000
451942037 451942036 451942035 451942037 451942036 451942035 451942037 451942036 451942035 451942037 451942036 451942035 451942037 451942036 451942035 451942037 451942036 451942035 451942037 451942036 451942035 451942037 451942036 451942035 451942037 451942036 451942035 451942037...

output:

No
No
No
No
Yes
No
Yes
No
No
No
No
Yes
No
No
No
Yes
No
Yes
No
No
No
No
No
No
No
No
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No
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No
No
Yes
No
No
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No
No
No
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Yes
No
No
Yes
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Yes
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Yes
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Yes
No
No
No
No
Yes
No
No
Yes
No
No
No
No
No
No
No
No
Yes
No
Yes
No
No
No
No
Yes
No
Yes
No
No
Yes
No
Yes
No
No
No
Yes
No
No
No
No
No
No
No
No
N...

result:

ok 199977 tokens

Test #10:

score: -100
Time Limit Exceeded

input:

200000 200000 200000
606894463 710609424 913364361 30426550 801940265 516097169 349718376 606894463 710609424 913364361 30426550 801940265 516097169 349718376 606894463 710609424 913364361 30426550 801940265 516097169 349718376 606894463 710609424 913364361 30426550 801940265 516097169 349718376 606...

output:


result: