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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#347631#8338. Quad Kingdoms Chessucup-team2279#WA 36ms17952kbC++143.1kb2024-03-09 14:38:102024-03-09 14:38:11

Judging History

你现在查看的是最新测评结果

  • [2024-03-09 14:38:11]
  • 评测
  • 测评结果:WA
  • 用时:36ms
  • 内存:17952kb
  • [2024-03-09 14:38:10]
  • 提交

answer

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

#define debug(...) fprintf(stderr, __VA_ARGS__)
#define sz(a) int((a).size())

template<class T> void cmin(T &a, const T &b) {if (a > b) a = b;}
template<class T> void cmax(T &a, const T &b) {if (a < b) a = b;}

using LL = long long;
const int N = 1e5 + 5;
const int B1 = 29050993, P1 = 217636919;
const int B2 = 21788233, P2 = 687840301;
// const int B1 = 10, P1 = 998244353;
// const int B2 = 10, P2 = 1e9 + 7;

inline int qp(int a, int b, int P) {
  int res = 1;
  while (b) {
    if (b & 1) res = LL(res) * a % P;
    a = LL(a) * a % P;
    b /= 2;
  }
  return res;
}

int pw1[N], ipw1[N], iB1;
int pw2[N], ipw2[N], iB2;

struct SGT {
  int n;
  int a[N];
  void init() {
    cin >> n;
    for (int i = 1; i <= n; ++i) cin >> a[i];
    build(1, 1, n);
  }
  int mx[4 * N], cnt[4 * N];
  int has1[4 * N], has2[4 * N];
  #define ls(i) (2 * i)
  #define rs(i) (2 * i + 1)
  tuple<int, int, int> calc(int i, int l, int r, int Mx, int ct) {
    if (l == r) {
      if (mx[i] >= Mx) return {1, LL(a[l]) * pw1[ct] % P1, LL(a[l]) * pw2[ct] % P2};
      else return {0, 0, 0};
    }
    int mid = (l + r) / 2;
    if (mx[rs(i)] < Mx) return calc(ls(i), l, mid, Mx, ct);
    else {
      auto [x, y, z] = calc(rs(i), mid + 1, r, Mx, ct);
      (y += LL(has1[i] + P1 - has1[rs(i)]) * ipw1[cnt[rs(i)]] % P1 * pw1[ct + x] % P1) %= P1;
      (z += LL(has2[i] + P2 - has2[rs(i)]) * ipw2[cnt[rs(i)]] % P2 * pw2[ct + x] % P2) %= P2;
      x += cnt[ls(i)];
      return {x, y, z};
    }
  }
  inline void upd(int i, int l, int r) {
    int mid = (l + r) / 2;
    mx[i] = max(mx[ls(i)], mx[rs(i)]);
    tie(cnt[i], has1[i], has2[i]) = calc(ls(i), l, mid, mx[rs(i)], cnt[rs(i)]);
    cnt[i] += cnt[rs(i)];
    (has1[i] += has1[rs(i)]) %= P1;
    (has2[i] += has2[rs(i)]) %= P2;
  }
  void build(int i, int l, int r) {
    if (l == r) {
      mx[i] = a[l], cnt[i] = 1, has1[i] = has2[i] = a[l];
      return;
    }
    int mid = (l + r) / 2;
    build(ls(i), l, mid);
    build(rs(i), mid + 1, r);
    upd(i, l, r);
  }
  void modify(int i, int l, int r, int x, int v) {
    if (l == r) {
      a[l] = v;
      mx[i] = a[l], cnt[i] = 1, has1[i] = has2[i] = a[l];
      return;
    }
    int mid = (l + r) / 2;
    if (x <= mid) modify(ls(i), l, mid, x, v);
    else modify(rs(i), mid + 1, r, x, v);
    upd(i, l, r);
  }
} A, B;

int main() {
  cin.tie(0)->sync_with_stdio(0);
  pw1[0] = ipw1[0] = 1, iB1 = qp(B1, P1 - 2, P1);
  for (int i = 1; i <= N - 5; ++i) {
    pw1[i] = LL(pw1[i - 1]) * B1 % P1;
    ipw1[i] = LL(ipw1[i - 1]) * iB1 % P1;
  }
  pw2[0] = ipw2[0] = 1, iB2 = qp(B2, P2 - 2, P2);
  for (int i = 1; i <= N - 5; ++i) {
    pw2[i] = LL(pw2[i - 1]) * B2 % P2;
    ipw2[i] = LL(ipw2[i - 1]) * iB2 % P2;
  }
  A.init(), B.init();
  int q;
  cin >> q;
  while (q--) {
    int o, x, y;
    cin >> o >> x >> y;
    if (o == 1) A.modify(1, 1, A.n, x, y);
    else B.modify(1, 1, B.n, x, y);
    cout << (A.has1[1] == B.has1[1] && A.has2[1] == B.has2[1] ? "YES\n" : "NO\n");
  }
  return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 17952kb

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: 16688kb

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: 22ms
memory: 17528kb

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: 36ms
memory: 16668kb

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
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
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 27th words differ - expected: 'YES', found: 'NO'