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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#382293#7782. Ursa MinornguyentunglamWA 93ms24132kbC++172.2kb2024-04-08 11:18:542024-04-08 11:18:55

Judging History

你现在查看的是最新测评结果

  • [2024-04-08 11:18:55]
  • 评测
  • 测评结果:WA
  • 用时:93ms
  • 内存:24132kb
  • [2024-04-08 11:18:54]
  • 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[1010][1010];

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 == 0 ? "Yes\n" : "No\n");
      }
      else {
        cout << 14091 << endl;
      }
    }
  }
}




Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 15996kb

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: 2ms
memory: 13872kb

input:

1 1 1
0
1
Q 1 1 1 1

output:

Yes

result:

ok "Yes"

Test #3:

score: -100
Wrong Answer
time: 93ms
memory: 24132kb

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:

No
No
No
Yes
Yes
No
No
No
Yes
No
Yes
No
No
Yes
No
No
No
Yes
No
Yes
No
No
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
No
Yes
No
Yes
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
Yes
No
No
No
No
No
No
Yes
Yes
No
No
No
Yes
No
Yes
No
No
No
Ye...

result:

wrong answer 1st words differ - expected: 'Yes', found: 'No'