oj.uz

Submission #855059

# Submission time Handle Problem Language Result Execution time Memory
855059 2023-09-30T02:25:03 Z NeroZein Martian DNA (BOI18_dna) C++17
100 / 100
 27 ms 4688 KB 
#include "bits/stdc++.h"
using namespace std;

#ifdef Nero
#include "Deb.h"
#else
#define deb(...)
#endif

int main(){
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  int n, k, r;
  cin >> n >> k >> r;
  vector<int> a(n); 
  for (int i = 0; i < n; ++i) {
    cin >> a[i]; 
  }
  vector<int> c(k, -1); 
  for (int i = 0; i < r; ++i) {
    int b, q;
    cin >> b >> q;
    c[b] = q; 
  }
  int ok = k - r; 
  vector<int> cnt(k); 
  auto add = [&](int ind, int v) {
    ok -= cnt[a[ind]] >= c[a[ind]];
    cnt[a[ind]] += v;
    ok += cnt[a[ind]] >= c[a[ind]];
  };
  int ans = n + 1; 
  for (int pl = 0, pr = 0; pl < n; ++pl) {//[l, r)
    pr = max(pr, pl); 
    while (pr < n && ok < k) {
      add(pr, 1); 
      pr++; 
    }
    if (ok == k) {
      ans = min(ans, pr - pl); 
    }
    add(pl, -1); 
  }
  if (ans == n + 1) {
    cout << "impossible" << '\n';
  } else {
    cout << ans << '\n';
  }
  return 0;
}

Subtask #1
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 600 KB Output is correct
3 Correct 0 ms 452 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct

Subtask #2
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 1624 KB Output is correct
2 Correct 11 ms 1628 KB Output is correct
3 Correct 11 ms 1492 KB Output is correct
4 Correct 9 ms 1624 KB Output is correct
5 Correct 14 ms 2916 KB Output is correct
6 Correct 9 ms 1628 KB Output is correct
7 Correct 10 ms 1732 KB Output is correct
8 Correct 16 ms 3932 KB Output is correct
9 Correct 12 ms 2136 KB Output is correct
10 Correct 10 ms 1628 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 544 KB Output is correct
16 Correct 1 ms 460 KB Output is correct
17 Correct 0 ms 456 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 3420 KB Output is correct
2 Correct 19 ms 3252 KB Output is correct
3 Correct 16 ms 2904 KB Output is correct
4 Correct 10 ms 1624 KB Output is correct
5 Correct 27 ms 4172 KB Output is correct
6 Correct 26 ms 4688 KB Output is correct
7 Correct 13 ms 2140 KB Output is correct
8 Correct 15 ms 2396 KB Output is correct
9 Correct 9 ms 1628 KB Output is correct
10 Correct 10 ms 1628 KB Output is correct
11 Correct 12 ms 1628 KB Output is correct
12 Correct 10 ms 1612 KB Output is correct
13 Correct 18 ms 3016 KB Output is correct
14 Correct 9 ms 1628 KB Output is correct
15 Correct 10 ms 1628 KB Output is correct
16 Correct 16 ms 3928 KB Output is correct
17 Correct 12 ms 2140 KB Output is correct
18 Correct 9 ms 1628 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 600 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 456 KB Output is correct
33 Correct 0 ms 348 KB Output is correct