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Submission #807564

# Submission time Handle Problem Language Result Execution time Memory
807564 2023-08-04T19:30:15 Z dong_liu Martian DNA (BOI18_dna) C++17
100 / 100
 28 ms 4488 KB 
#include <iostream>
using namespace std;

const int N = 2e5;

namespace ds {
int c[N], g[N], z;

void add(int x) {
  if (g[x] > 0) z -= ++c[x] == g[x];
}
void rem(int x) {
  if (g[x] > 0) z += c[x]-- == g[x];
}
}  // namespace ds

int main() {
  ios::sync_with_stdio(0), cin.tie(0);
  int n, k, m;
  cin >> n >> k >> m;
  static int a[N];
  for (int i = 0; i < n; i++) cin >> a[i];
  for (int h = 0; h < m; h++) {
    int i;
    cin >> i;
    cin >> ds::g[i];
  }
  ds::z = m;
  int x = n + 1;
  for (int i = 0, j = 0; i < n; i++) {
    while (j < n && ds::z > 0) ds::add(a[j++]);
    if (ds::z == 0) x = min(x, j - i);
    ds::rem(a[i]);
  }
  if (x == n + 1)
    cout << "impossible\n";
  else
    cout << x << '\n';
  return 0;
}

Subtask #1
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 324 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 0 ms 328 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct

Subtask #2
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 324 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 1424 KB Output is correct
2 Correct 10 ms 1492 KB Output is correct
3 Correct 10 ms 1544 KB Output is correct
4 Correct 12 ms 1456 KB Output is correct
5 Correct 13 ms 2280 KB Output is correct
6 Correct 9 ms 1452 KB Output is correct
7 Correct 10 ms 1616 KB Output is correct
8 Correct 14 ms 2388 KB Output is correct
9 Correct 12 ms 1988 KB Output is correct
10 Correct 11 ms 1488 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 0 ms 324 KB Output is correct
23 Correct 1 ms 328 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 3380 KB Output is correct
2 Correct 19 ms 3164 KB Output is correct
3 Correct 16 ms 2772 KB Output is correct
4 Correct 10 ms 1508 KB Output is correct
5 Correct 28 ms 4044 KB Output is correct
6 Correct 25 ms 4488 KB Output is correct
7 Correct 12 ms 2072 KB Output is correct
8 Correct 16 ms 2424 KB Output is correct
9 Correct 9 ms 1520 KB Output is correct
10 Correct 10 ms 1492 KB Output is correct
11 Correct 10 ms 1460 KB Output is correct
12 Correct 9 ms 1492 KB Output is correct
13 Correct 12 ms 2232 KB Output is correct
14 Correct 9 ms 1492 KB Output is correct
15 Correct 10 ms 1692 KB Output is correct
16 Correct 14 ms 2388 KB Output is correct
17 Correct 11 ms 2004 KB Output is correct
18 Correct 9 ms 1416 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct