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Submission #697139

# Submission time Handle Problem Language Result Execution time Memory
697139 2023-02-08T15:31:25 Z kusssso Studentsko (COCI14_studentsko) C++17
100 / 100
 37 ms 716 KB 
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 5005;
int n, k;
int a[N];
int b[N];
int dp[N];
unordered_map<int, int> g;

signed main() {
      ios_base::sync_with_stdio(0);
      cin.tie(0);
      cin >> n >> k;
      for (int i = 1; i <= n; i++) cin >> a[i], b[i] = a[i];
      sort(a + 1, a + 1 + n);
      for (int i = 1, j = 1; i <= n; i++) {
            g[a[i]] = j;
            if (i % k == 0) j++;
      }
      int mx = 0;
      for (int i = 1; i <= n; i++) {
            b[i] = g[b[i]];
            for (int j = i - 1; j >= 0; j--) {
                  if (b[i] >= b[j]) {
                        dp[i] = max(dp[i], dp[j] + 1);
                  }
            }
            mx = max(mx, dp[i]);
      }
      cout << n - mx;
      
      return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 328 KB Output is correct
2 Correct 1 ms 324 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 612 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 36 ms 596 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 504 KB Output is correct
2 Correct 28 ms 600 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 612 KB Output is correct
2 Correct 35 ms 604 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 620 KB Output is correct
2 Correct 22 ms 600 KB Output is correct

Subtask #9
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 596 KB Output is correct
2 Correct 34 ms 604 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 37 ms 716 KB Output is correct
2 Correct 35 ms 596 KB Output is correct