Submission #882746

#	Time	Username	Problem	Language	Result	Execution time	Memory
882746		Acanikolic	K blocks (IZhO14_blocks)	C++14	53 / 100	1043 ms	10076 KiB

blocks

#include <bits/stdc++.h>

#define int long long

#define pb push_back

#define F first

#define S second

using namespace std;

const int N = 1e5 + 10;

const int inf = 1e18;

int dp[N][110],a[N];

signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    int n,k;
    cin >> n >> k;
    for(int i = 1; i <= n; i++) {
    	cin >> a[i];
    	dp[i][1] = max(dp[i-1][1],a[i]);
    }
    for(int i = 1; i <= n; i++) {
    	for(int j = 2; j <= k; j++) dp[i][j] = inf;
    }
    for(int i = 1; i <= n; i++) {
    	for(int j = 2; j <= i; j++) {
    		int mx = a[i];
    		for(int ii = i; ii >= 1; ii--) {
    			if(ii < j) break; 
    			mx = max(mx,a[ii]);
    			dp[i][j] = min(dp[i][j],dp[ii-1][j-1] + mx);
    		}
    	}
    }
    cout << dp[n][k];
    return 0;
}

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