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Submission #1009555

# Submission time Handle Problem Language Result Execution time Memory
1009555 2024-06-27T15:41:41 Z altern23 Stove (JOI18_stove) C++17
20 / 100
 15 ms 37468 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define pii pair<ll,ll>
#define fi first
#define sec second

const ll MOD = 1e9 + 7;
const ll N = 5e3 + 5;
const ll INF = 1e18;

ll dp[N][N];

int32_t main(){
  cin.tie(0)->sync_with_stdio(0);
  int tc = 1;
  // cin >> tc;
  while(tc--){
    ll n,k; cin >> n >> k;
    vector<ll>vec(n+5);
    for(int i=1;i<=n;i++) cin >> vec[i];
    for(int i=0;i<=n;i++){
      for(int j=0;j<=k;j++){
        dp[i][j] = -INF;
      }
    }
    dp[0][0] = 0;
    for(int i=1;i<=n;i++){
      for(int j=0;j<k;j++){
        dp[i][j] = dp[i-1][j];
        if(j) dp[i][j] = max(dp[i][j], dp[i-1][j-1] + (vec[i] - vec[i-1] - 1));
      }
    }
    ll ans = -INF;
    for(int i=0;i<k;i++) ans = max(ans, dp[n][i]);
    cout << vec[n] - vec[1] + 1 - ans << endl;
  }
}
/*
1 2 3 4 5
*/

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 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 0 ms 348 KB Output is correct
9 Correct 0 ms 408 KB Output is correct

Subtask #2
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 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 0 ms 348 KB Output is correct
9 Correct 0 ms 408 KB Output is correct
10 Correct 5 ms 14684 KB Output is correct
11 Correct 6 ms 16732 KB Output is correct
12 Incorrect 15 ms 37468 KB Output isn't correct
13 Halted 0 ms 0 KB -

Subtask #3
0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 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 0 ms 348 KB Output is correct
9 Correct 0 ms 408 KB Output is correct
10 Correct 5 ms 14684 KB Output is correct
11 Correct 6 ms 16732 KB Output is correct
12 Incorrect 15 ms 37468 KB Output isn't correct
13 Halted 0 ms 0 KB -