QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#386749#7782. Ursa MinorSamponYWWA 531ms179556kbC++144.8kb2024-04-11 19:50:032024-04-11 19:50:04

Judging History

你现在查看的是最新测评结果

  • [2024-04-11 19:50:04]
  • 评测
  • 测评结果:WA
  • 用时:531ms
  • 内存:179556kb
  • [2024-04-11 19:50:03]
  • 提交

answer

#include <bits/stdc++.h>
#define db double
#define il inline
#define re register
#define ll long long
#define ui unsigned
#define ull ui ll
#define i128 __int128
#define pii pair<int, int>
#define fi first
#define se second
#define eb emplace_back
#define SZ(v) (int)v.size()
#define ALL(v) v.begin(), v.end()
#define mems(v, x) memset(v, x, sizeof(v))
#define memc(a, b) memcpy(a, b, sizeof(a))
#define FOR(i, L, R) for(re int i = (L); i <= (R); ++i)
#define ROF(i, R, L) for(re int i = (R); i >= (L); --i)
#define LS i << 1, l, mid
#define RS i << 1 | 1, mid + 1, r
#define popc(x) __builtin_popcount(x)
using namespace std;
bool pDEB, DEB; int tim;
#define N 200005
const int B = 200;
#define P 1000000009
il int add(int x, int y) {return x + y < P ? x + y : x + y - P;}
il void addr(int &x, int y) {(x += y) >= P && (x -= P);}
int be[N], L[N], R[N], pw[N];
int n, m, q, a[N], b[N], c[N];
struct sma {
  int B, v[N], s[N];
  il void build(int k) {
    B = k;
    FOR(i, 1, n) {
      v[i] = 1ll * pw[i % B] * c[i] % P;
      addr(s[be[i]], v[i]);
    }
  }
  il void upd(int x, int k) {
    k = 1ll * k * pw[x % B] % P;
    addr(v[x], k), addr(s[be[x]], k);
  }
  il int query(int l, int r) {
    int a = be[l], b = be[r], ns = 0;
    if(a == b) {FOR(i, l, r) addr(ns, v[i]); return ns;}
    FOR(i, l, R[a]) addr(ns, v[i]);
    FOR(i, a + 1, b - 1) addr(ns, s[i]);
    FOR(i, L[b], r) addr(ns, v[i]);
    return ns;
  }
} T[B + 5];
struct info {
  int v, L;
} v[N], s[N], pre[N], suf[N];
il info merge(info A, info B) {
  return {(A.v + 1ll * pw[A.L] * B.v) % P, A.L + B.L};
}
namespace big {
  il void reb(int t) {
    info k = {0, 0};
    FOR(i, L[t], R[t])
      k = merge(k, v[i]), pre[i] = k;
    s[t] = k, k = {0, 0};
    ROF(i, R[t], L[t])
      k = merge(v[i], k), suf[i] = k;
  }
  il void build() {
    FOR(i, 1, n) v[i] = {c[i], 1};
    FOR(i, 1, be[n]) reb(i);
  }
  il void upd(int x, int k) {addr(v[x].v, k), reb(be[x]);}
  il info query(int l, int r) {
    // if(DEB) cout << "query=" << l << "+" << r << ",";
    if(l > r) return {0, 0}; info k = {0, 0};
    if(be[l] == be[r]) {
      // if(DEB) cout << "brt,";
      FOR(i, l, r) k = merge(k, v[i]); return k;}
    // if(DEB) cout << "nb,";
    k = merge(k, suf[l]);
    FOR(i, be[l] + 1, be[r] - 1) k = merge(k, s[i]);
    k = merge(k, pre[r]); return k;
  }
}
il void upd(int x, int k) {
  int d = (k - c[x] + P) % P; c[x] = k;
  FOR(i, 1, B) T[i].upd(x, d); big::upd(x, d);
}
namespace rmq {
  int st[20][N];
  il void build() {
    FOR(i, 1, m) st[0][i] = b[i];
    FOR(i, 1, 19) FOR(j, 1, m - (1 << i) + 1)
      st[i][j] = __gcd(st[i - 1][j], st[i - 1][j + (1 << i - 1)]);
  }
  il int query(int l, int r) {
    int t = __lg(r - l + 1);
    return __gcd(st[t][l], st[t][r - (1 << t) + 1]);
  }
}
int main() {
  ios::sync_with_stdio(0);
  cin.tie(0), cout.tie(0);
  cin >> n >> m >> q;
  FOR(i, 1, n) cin >> a[i];
  pDEB = n == 2e5 && a[1] == 793134805;
  FOR(i, 1, n) c[i] = add(a[i % n + 1], P - a[i]);
  FOR(i, 1, m) cin >> b[i]; rmq::build();
  pw[0] = 1; FOR(i, 1, n) pw[i] = 1000000007ll * pw[i - 1] % P;
  FOR(i, 1, n) {
    be[i] = (i - 1) / B + 1, R[be[i]] = i;
    if(be[i] != be[i - 1]) L[be[i]] = i;
  }
  FOR(i, 1, B) T[i].build(i); big::build();
  tim = 0;
  while(q--) {
    char op; cin >> op;
    if(op == 'U') {
      int x, v; cin >> x >> v, a[x] = v;
      upd(x, add(a[x % n + 1], P - a[x]));
      --x; if(!x) x = n;
      upd(x, add(a[x % n + 1], P - a[x]));
    }
    else {
      ++tim;
      DEB = pDEB && tim == 49;
      int l, r, s, t; cin >> l >> r >> s >> t;
      if(l == r) {cout << "Yes\n"; continue;}
      int g = __gcd(r - l + 1, rmq::query(s, t)), ns = 0;
      // if(DEB) cout << l << "," << r << ",";
      // if(DEB && tim == 49) cout << g << "," << B << " ";
      if(g <= B) ns = add(T[g].query(l, r - 1), 1ll * pw[r % g] * add(a[l], P - a[r]) % P);
      else {
        if(DEB) {
          cout << "nm,";
          FOR(i, l, r - 1) addr(ns, 1ll * pw[(i - l) % g] * add(a[i + 1], P - a[i]) % P);
          addr(ns, 1ll * pw[(r - l) % g] * add(a[r], P - a[l]) % P);
        }
        else {
          // FOR(i, l, r) addr(ns, 1ll * pw[(i - l) % g] * add(a[(i - l) % g + 1 + l - 1], P - a[i]) % P);
        while(l + g - 1 <= r - 1) {
          auto k = big::query(l, l + g - 1);
          addr(ns, k.v), l += g;
        }
        auto k = big::query(l, r - 1);
        // if(DEB) cout << k.L << ",";
        // if(k.L != g) k = merge(k, {add(a[l], P - a[r]), 1}), addr(ns, k.v);
        // else addr(ns, k.v), addr(ns, add(a[l], P - a[r]));
        k = merge(k, {add(a[l], P - a[r]), 1}), addr(ns, k.v);
        }
      }
      // if(DEB) cout << ns << ",";
      if(!ns) cout << "Yes\n"; else cout << "No\n";
    }
  }
  cerr << 1.0 * clock() / CLOCKS_PER_SEC << "\n";
  return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 174812kb

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: 0ms
memory: 176828kb

input:

1 1 1
0
1
Q 1 1 1 1

output:

Yes

result:

ok "Yes"

Test #3:

score: -100
Wrong Answer
time: 531ms
memory: 179556kb

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

result:

wrong answer 3rd words differ - expected: 'No', found: 'Yes'