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Submission #388366

# Submission time Handle Problem Language Result Execution time Memory
388366 2021-04-11T06:22:29 Z warner1129 Stove (JOI18_stove) C++17
20 / 100
 1000 ms 98364 KB 
 #include <bits/stdc++.h>

using namespace std;

const int maxn = 5005;

int arr[maxn];
int dp[maxn][maxn];

void solve() {
	int n, m;
	cin >> n >> m;
	for (int i = 1; i <= n; i++) cin >> arr[i];
	m = min(m, n);
	memset(dp, 0x3f, sizeof(dp));
	dp[0][0] = 0;
	for (int i = 1; i <= n; i++)
		for (int j = 1; j <= i; j++)
			for (int k = i-1; k >= j-1; k--)
				dp[i][j] = min(dp[i][j], dp[k][j-1] + (arr[i]-arr[k+1]+1));
	cout << dp[n][m] << '\n';
}

signed main() {
	ios::sync_with_stdio(false), cin.tie(0), cout.tie(0);
	solve();
	return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 41 ms 98244 KB Output is correct
2 Correct 40 ms 98324 KB Output is correct
3 Correct 41 ms 98364 KB Output is correct
4 Correct 40 ms 98308 KB Output is correct
5 Correct 41 ms 98348 KB Output is correct
6 Correct 41 ms 98312 KB Output is correct
7 Correct 41 ms 98348 KB Output is correct
8 Correct 42 ms 98292 KB Output is correct
9 Correct 41 ms 98328 KB Output is correct

Subtask #2
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 41 ms 98244 KB Output is correct
2 Correct 40 ms 98324 KB Output is correct
3 Correct 41 ms 98364 KB Output is correct
4 Correct 40 ms 98308 KB Output is correct
5 Correct 41 ms 98348 KB Output is correct
6 Correct 41 ms 98312 KB Output is correct
7 Correct 41 ms 98348 KB Output is correct
8 Correct 42 ms 98292 KB Output is correct
9 Correct 41 ms 98328 KB Output is correct
10 Execution timed out 1094 ms 98352 KB Time limit exceeded
11 Halted 0 ms 0 KB -

Subtask #3
0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 41 ms 98244 KB Output is correct
2 Correct 40 ms 98324 KB Output is correct
3 Correct 41 ms 98364 KB Output is correct
4 Correct 40 ms 98308 KB Output is correct
5 Correct 41 ms 98348 KB Output is correct
6 Correct 41 ms 98312 KB Output is correct
7 Correct 41 ms 98348 KB Output is correct
8 Correct 42 ms 98292 KB Output is correct
9 Correct 41 ms 98328 KB Output is correct
10 Execution timed out 1094 ms 98352 KB Time limit exceeded
11 Halted 0 ms 0 KB -