#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const ll INF = (ll) 1e18;
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int n, k;
cin >> n >> k;
vector<int> a(n);
for (int& x : a) cin >> x;
vector<vector<ll>> dp(n, vector<ll>(n + 1, -INF));
vector<ll> best(n + 1, -INF);
best[0] = 0;
for (int i = 0; i < n; ++i) {
vector<ll> new_best = best;
for (int j = 1; j <= n; ++j) {
// extend previous one
if (i > 0) dp[i][j] = dp[i - 1][j] + a[i];
// start new one here
dp[i][j] = max(dp[i][j], best[j - 1] + a[i]);
new_best[j] = max(new_best[j], dp[i][j]);
}
best = new_best;
}
ll ans = 0;
// for (int i = 0; i < n; ++i) for (int j = 0; j <= min(n, k); ++j) ans = max(ans, dp[i][j]);
cout << ans << endl;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
118 ms |
262144 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
124 ms |
262144 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
133 ms |
262144 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
118 ms |
262144 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |