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Submission #1009538

# Submission time Handle Problem Language Result Execution time Memory
1009538 2024-06-27T15:34:56 Z SG2Alok Stove (JOI18_stove) C++17
20 / 100
 15 ms 23900 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define endl '\n'
#define hitaf ios_base::sync_with_stdio(false); cin.tie(NULL);
#define fi first
#define se second

const ll MOD = 998244353;
const ll INF = 1e18;

ll n, k, a[100005];

int main(){
    hitaf
    cin >> n >> k;
    
    for(int i = 1; i <= n; i++) cin >> a[i];
    
    vector<vector<ll>> dp(n + 2, vector<ll>(k + 2, -INF));
    for(int i = 0; i <= k; i++) dp[0][i] = 0;
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= k; j++){
            dp[i][j] = dp[i - 1][j];
            if(j != 1) dp[i][j] = max(dp[i][j], dp[i - 1][j - 1] + a[i] - a[i - 1] - 1);
        }
    }
    
    cout << a[n] - a[1] + 1 - dp[n][k] << endl;
}
    

/*
    7 1 2 9 0
*/

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 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 348 KB Output is correct
9 Correct 0 ms 344 KB Output is correct

Subtask #2
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 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 348 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 1 ms 860 KB Output is correct
11 Correct 2 ms 2796 KB Output is correct
12 Incorrect 15 ms 23900 KB Output isn't correct
13 Halted 0 ms 0 KB -

Subtask #3
0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 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 348 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 1 ms 860 KB Output is correct
11 Correct 2 ms 2796 KB Output is correct
12 Incorrect 15 ms 23900 KB Output isn't correct
13 Halted 0 ms 0 KB -