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Submission #336949

# Submission time Handle Problem Language Result Execution time Memory
336949 2020-12-17T13:03:06 Z boykut K blocks (IZhO14_blocks) C++14
0 / 100
 1 ms 492 KB 
#include <map>
#include <vector>
#include <iostream>

using namespace std;

const int inf = 2e9;

int32_t main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  int N, K;
  cin >> N >> K;
  
  int dp[N][K];
  int a[N];
  
  for (int i = 1; i <= N; i++) {
    cin >> a[i];
  }
  
  for (int i = 0; i <= N; i++) {
    for (int j = 0; j <= K; j++) {
      dp[i][j] = inf;
    }
  }
  
  dp[0][0] = 0;
  dp[1][1] = a[1];
  for (int i = 2; i <= N; i++) {
    dp[i][1] = max(dp[i - 1][1], a[i]);
  }
  
  auto getmax = [&](int l, int r) -> int {
    int mx = a[l];
    for (int i = l; i <= r; i++) {
      mx = max(mx, a[i]);
    }
    return mx;
  };
  
  for (int k = 2; k <= K; k++) {
    for (int i = 1; i <= N; i++) {
      int mn = 2e9;
      for (int j = 1; j <= i - 1; j++) {
        mn = min(mn, dp[j][k - 1] + getmax(j + 1, i));
      }
      dp[i][k] = mn;
    }
  }
  
  cout << dp[N][K] << '\n';
  
  return 0;
}

Subtask #1
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Runtime error 1 ms 492 KB Execution killed with signal 11 (could be triggered by violating memory limits)
5 Halted 0 ms 0 KB -

Subtask #2
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Runtime error 1 ms 492 KB Execution killed with signal 11 (could be triggered by violating memory limits)
5 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Runtime error 1 ms 492 KB Execution killed with signal 11 (could be triggered by violating memory limits)
5 Halted 0 ms 0 KB -

Subtask #4
0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Runtime error 1 ms 492 KB Execution killed with signal 11 (could be triggered by violating memory limits)
5 Halted 0 ms 0 KB -