QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#252904#7679. Master of Both IVucup-team1321#WA 76ms25968kbC++232.4kb2023-11-16 14:40:502023-11-16 14:40:51

Judging History

你现在查看的是最新测评结果

  • [2023-11-16 14:40:51]
  • 评测
  • 测评结果:WA
  • 用时:76ms
  • 内存:25968kb
  • [2023-11-16 14:40:50]
  • 提交

answer

#include <bits/stdc++.h>
#ifndef LOCAL
#define debug(...) 42
#else
#define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)
#endif
#define rep1(a) for (int i = 0; i < a; i++)
#define rep2(i, a) for (int i = 0; i < a; i++)
#define rep3(i, a, b) for (int i = a; i < b; i++)
#define rep4(i, a, b, c) for (int i = a; i < b; i += c)
#define overload4(a, b, c, d, e, ...) e
#define rep(...) overload4(__VA_ARGS__, rep4, rep3, rep2, rep1)(__VA_ARGS__)

#define pb emplace_back
using namespace std;
template <typename T, typename T2> void cmin(T &x, const T2 &y) {
  x = x < y ? x : y;
}
template <typename T, typename T2> void cmax(T &x, const T2 &y) {
  x = x > y ? x : y;
}
using ll = long long;
using vi = vector<int>;
using pii = pair<int, int>;
template <class T> using vc = vector<T>;
template <class T> using pq = priority_queue<T>;
template <class T> using pqg = priority_queue<T, vector<T>, greater<T>>;
mt19937 rng(time(NULL));
const int inf = 1000000000;
const ll lnf = 1000000000000000000;
#define sz(x) int((x).size())
#define all(x) begin(x), end(x)
#define fi first
#define se second

const int P = 998244353;
vi d[200005];
int pw[200005];

int p[33];
void solve() {
  int n;
  cin >> n;
  vi a(n);
  vi c(n + 1);
  rep(i, n) cin >> a[i], ++c[a[i]];

  ll ans = 0;
  for (int i = 1; i <= n; i++) {
    if (c[i] == 0) continue;
    int coef = pw[c[i] - 1];
    for (int j : d[i]) {
      if (c[j] < 2) continue;
      coef = 1ll * coef * pw[c[j] - 1] % P;
    }
    ans += coef;
    if (ans >= P) {
      ans -= P;
    }
  }
  for (int i = 0; i < 30; i++) p[i] = 0;
  rep(i, n) {
    int x = a[i];
    for (int j = 29; j >= 0; j--) {
      if (x >> j & 1) {
        if (!p[j]) {
          p[j] = x;
          break;
        }
        x ^= p[j];
      }
    }
  }

  int cnt = 0;
  for (int i = 0; i < 30; i++) {
    if (p[i]) {
      cnt += 1;
    }
  }

  ans += pw[n - cnt] - 1;
  if (ans >= P) {
    ans -= P;
  }

  cout << ans << "\n";
}

int main() {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  for (int i = 1; i < 200005; i++) {
    for (int j = i * 2; j < 200005; j += i) {
      d[j].pb(i);
    }
  }
  pw[0] = 1;
  for (int i = 1; i < 200005; i++) {
    pw[i] = pw[i - 1] + pw[i - 1];
    if (pw[i] >= P) {
      pw[i] -= P;
    }
  }
  int t = 1;
  cin >> t;
  while (t--) {
    solve();
  }
  return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 62ms
memory: 25804kb

input:

2
3
1 2 3
5
3 3 5 1 1

output:

4
11

result:

ok 2 number(s): "4 11"

Test #2:

score: 0
Accepted
time: 76ms
memory: 25836kb

input:

40000
5
4 2 5 5 5
5
5 5 5 5 4
5
1 4 4 4 2
5
2 5 2 4 1
5
3 2 4 5 3
5
1 5 5 3 4
5
5 5 5 4 3
5
4 3 3 5 1
5
4 5 5 2 1
5
2 5 4 2 5
5
3 4 3 4 3
5
5 3 5 1 3
5
5 1 2 4 4
5
4 2 5 1 5
5
5 4 2 5 4
5
5 2 5 2 4
5
1 4 5 4 5
5
4 2 3 2 3
5
1 4 1 3 5
5
1 1 2 1 5
5
5 2 5 1 3
5
3 1 2 5 3
5
5 5 1 1 5
5
2 2 2 1 3
5
3 1 ...

output:

9
16
9
9
8
8
9
8
8
9
13
8
8
8
8
9
12
9
11
15
8
8
17
13
8
11
8
8
8
13
15
9
9
8
8
8
11
9
11
13
15
9
17
9
8
8
8
13
11
8
9
11
8
8
11
15
9
8
9
8
8
15
11
8
17
9
15
8
8
8
12
9
9
11
8
13
9
8
15
8
8
9
8
8
8
15
8
11
13
8
9
11
8
19
11
13
19
17
13
15
8
8
8
9
8
9
13
15
17
9
9
17
9
11
9
9
11
9
9
11
8
9
9
13
15
11...

result:

ok 40000 numbers

Test #3:

score: -100
Wrong Answer
time: 64ms
memory: 25968kb

input:

20000
10
1 3 6 8 3 1 10 7 2 3
10
8 2 8 9 10 5 8 4 8 3
10
2 2 10 1 6 4 4 3 4 7
10
6 5 10 7 8 7 3 1 6 6
10
3 2 3 7 8 4 9 8 8 7
10
9 9 6 4 9 3 9 10 5 9
10
10 8 9 10 10 4 5 1 4 3
10
2 10 4 5 8 10 2 2 7 2
10
2 6 4 10 1 1 1 1 2 3
10
1 10 2 8 1 5 9 4 3 1
10
8 1 8 1 9 5 6 7 2 9
10
1 6 7 4 8 8 7 3 5 7
10
10 ...

output:

89
77
80
74
75
84
75
105
143
95
81
74
78
73
73
73
83
93
90
84
79
77
73
89
77
73
81
79
80
175
83
77
83
76
83
85
84
97
74
80
101
74
113
74
75
95
75
83
86
77
99
73
77
83
91
96
77
80
77
76
80
81
73
95
83
74
75
81
77
79
74
76
78
81
97
77
85
73
92
83
73
80
73
77
74
73
142
83
99
78
91
77
76
81
77
74
78
76
...

result:

wrong answer 1st numbers differ - expected: '97', found: '89'