Submission #1101484

#	Time	Username	Problem	Language	Result	Execution time	Memory
1101484		TPhat	K blocks (IZhO14_blocks)	C++17	53 / 100	1059 ms	82512 KiB

blocks

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define int long long
#define INF 1000000000
int n, k;
int a[100005];
int dp[105][100005]; 
signed main() {
    cin >> n >> k;
    for (int i = 1; i <= n; i++) {
        cin >> a[i];
    }
    for (int i = 1; i <= n; i++) {
        dp[1][i] = a[i];
        for (int j = 1; j < i; j++) {
            dp[1][i] = max(dp[1][i], a[j]);
        }
    }
    for (int i = 2; i <= k; i++) {
        for (int j = i; j <= n; j++) {
            int max_val = 0;
            dp[i][j] = INF;
            for (int l = j; l >= i; l--) { 
                max_val = max(max_val, a[l]); 
                dp[i][j] = min(dp[i][j], dp[i-1][l-1] + max_val); 
            }
        }
    }
    cout << dp[k][n] << endl;
    return 0;
}

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