Submission #969237

#	Time	Username	Problem	Language	Result	Execution time	Memory
969237		biank	K blocks (IZhO14_blocks)	C++14	53 / 100	1008 ms	1368 KiB

blocks

#include <bits/stdc++.h>

using namespace std;
 
const int INF = 1e9;

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    
    int N, K;
    cin >> N >> K;
    vector<int> a(N);
    for (int i = 0; i < N; i++) {
        cin >> a[i];
    }
    vector<vector<int>> dp(K + 1, vector<int>(N + 1, INF));
    dp[0][0] = 0;
    for (int i = 1; i <= K; i++) {
        for (int j = i; j <= N; j++) {
            int maxi = 0;
            for (int k = j; k >= i; k--) {
                maxi = max(maxi, a[k - 1]);
                dp[i][j] = min(dp[i][j], dp[i - 1][k - 1] + maxi);
            }
        }
    }
    cout << dp[K][N] << '\n';
    
    return 0;
}

• Subtask 1: 14 / 14
• Subtask 2: 18 / 18
• Subtask 3: 21 / 21
• Subtask 4: 0 / 47