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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#382297#7782. Ursa MinornguyentunglamWA 82ms486936kbC++172.3kb2024-04-08 11:27:272024-04-08 11:27:27

Judging History

你现在查看的是最新测评结果

  • [2024-04-08 11:27:27]
  • 评测
  • 测评结果:WA
  • 用时:82ms
  • 内存:486936kb
  • [2024-04-08 11:27:27]
  • 提交

answer

#include<bits/stdc++.h>
#define all(v) v.begin(), v.end()
#define endl "\n"
using namespace std;

const int N = 2e5 + 10, base = 100, mod = 1e9 + 7, T1 = 300, T2 = 1;

long long pw[N], f[N], a[N], sum[T1 + 10][N / T2 + 10];

int lg[N], rmq[20][N];

int b[N];

int n, m, q;

void update (int p, int v) {
  long long old = f[p];
  a[p] = v;
  f[p] = p > 1 ? a[p] - a[p - 1] : a[p] - a[n];
  for(int c = 1; c <= T1; c++) {
    sum[c][p / T2] += (f[p] - old) * pw[p % c];
  }
}

tuple<int, int, int, int> query[N];

int get_gcd (int l, int r) {
  int k = lg[r - l + 1];
  return __gcd(rmq[k][l], rmq[k][r - (1 << k) + 1]);
}

int32_t main() {
  #define task ""

  cin.tie(0) -> sync_with_stdio(0);

  if (fopen("task.inp", "r")) {
    freopen("task.inp", "r", stdin);
    freopen("task.out", "w", stdout);
  }

  if (fopen(task".inp", "r")) {
    freopen (task".inp", "r", stdin);
    freopen (task".out", "w", stdout);
  }

  cin >> n >> m >> q;

  pw[0] = 1;
  for(int i = 1; i <= n; i++) {
    pw[i] = pw[i - 1] * base % mod;
  }

  for(int i = 1; i <= n; i++) {
    cin >> a[i];
    update(i, a[i]);
  }

  for(int i = 2; i <= m; i++) lg[i] = lg[i / 2] + 1;

  for(int i = 1; i <= m; i++) cin >> rmq[0][i];

  for(int j = 1; j <= lg[m]; j++) for(int i = 1; i + (1 << j) - 1 <= m; i++) {
    rmq[j][i] = __gcd(rmq[j - 1][i], rmq[j - 1][i + (1 << j - 1)]);
  }

  while (q--) {
    char type; cin >> type;
    if (type == 'U') {
      int p, v; cin >> p >> v;
      update(p, v);
    }
    else {
      int x, y, u, v; cin >> x >> y >> u >> v;
      int c = __gcd(y - x + 1, get_gcd(u, v));
      long long hs = 0;
      if (c <= T1) {
        int st = x / T2;
        int ed = y / T2;
        for(int i = st + 1; i < ed; i++) hs += sum[c][i];
        if (st == ed) {
          for(int i = x; i <= y; i++) hs += f[i] * pw[i % c];
        }
        else {
          for(int i = x; i <= st * T2 + T2 - 1; i++) hs += f[i] * pw[i % c];
          for(int i = y; i >= ed * T2; i--) hs += f[i] * pw[i % c];
        }
        hs -= f[x] * pw[x % c];
        hs += (a[x] - a[y]) * pw[x % c];
//        cout << hs << endl;
        cout << (hs == 0 ? "Yes\n" : "No\n");
      }
      else {
        cout << 1 << endl;
      }
    }
  }
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 482840kb

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: 480888kb

input:

1 1 1
0
1
Q 1 1 1 1

output:

Yes

result:

ok "Yes"

Test #3:

score: -100
Wrong Answer
time: 82ms
memory: 486936kb

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
No
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
No
Yes
No
No
Yes
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
No
No
No
Yes
No
Yes
Yes
Yes
No
Yes
Y...

result:

wrong answer 25th words differ - expected: 'Yes', found: 'No'