oj.uz

Submission #539020

# Submission time Handle Problem Language Result Execution time Memory
539020 2022-03-18T09:26:53 Z _karan_gandhi Feast (NOI19_feast) C++17
18 / 100
 127 ms 262144 KB 
#include <bits/stdc++.h>
using namespace std;

#define all(v) v.begin(), v.end()
#define endl '\n'
#define pl(var) " [" << #var << ": " << (var) << "] "
#define ll long long

void solve() {
	// dp[i][j] = the max sum that can be obtained if j subsegments are chosen and last subsegment ends at i

	// dp[i][j] = dp[0..i][j-1]
	int n, k; cin >> n >> k;
	vector<ll int> arr(n); for (int i = 0; i < n; i++) {
		cin >> arr[i];
	}

	vector<vector<ll int>> dp(n + 1, vector<ll int>(k + 1));

	ll int ans = 0;
	ll int mn = 0;
	ll int pref = 0;
	for (int i = 0; i < n; i++) {
		pref += arr[i];
		mn = min(pref, mn);
		dp[i][1] = max(pref - mn, pref);
		ans = max(ans, dp[i][1]);
	}

	cout << ans << endl;
}

int main() {
	ios::sync_with_stdio(false);
	cin.tie(nullptr);

	int T = 1;
	// cin >> T;
	while (T--)
		solve();
}

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Runtime error 127 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 38 ms 19756 KB Output is correct
2 Correct 39 ms 20184 KB Output is correct
3 Correct 35 ms 19660 KB Output is correct
4 Runtime error 124 ms 262144 KB Execution killed with signal 9
5 Halted 0 ms 0 KB -

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 53 ms 21820 KB Output is correct
2 Correct 52 ms 21604 KB Output is correct
3 Correct 53 ms 21820 KB Output is correct
4 Correct 65 ms 21612 KB Output is correct
5 Correct 53 ms 21820 KB Output is correct
6 Correct 51 ms 21964 KB Output is correct
7 Correct 52 ms 21972 KB Output is correct
8 Correct 56 ms 21736 KB Output is correct
9 Correct 52 ms 22032 KB Output is correct
10 Correct 50 ms 21964 KB Output is correct

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Incorrect 1 ms 340 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Incorrect 1 ms 340 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Incorrect 1 ms 340 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #7
0 / 29.0

# Verdict Execution time Memory Grader output
1 Runtime error 127 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -