Submission #142198

#	Time	Username	Problem	Language	Result	Execution time	Memory
142198		meatrow	K blocks (IZhO14_blocks)	C++17	53 / 100	11 ms	632 KiB

blocks

//#pragma GCC optimize("O3")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,tune=native")
//#pragma GCC optimize ("unroll-loops")
#include <bits/stdc++.h>

using namespace std;

using ll = long long;

const int N = 101;

int dp[N][N];
int c[N][N];

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    int n, k;
    cin >> n >> k;
    vector<int> a(n + 1);
    for (int i = 1; i <= n; i++) {
        cin >> a[i];
    }
    for (int i = 1; i <= n; i++) {
        c[i][i] = a[i];
        for (int j = i + 1; j <= n; j++) {
            c[i][j] = max(c[i][j - 1], a[j]);
        }
    }
    for (int i = 0; i <= n; i++) {
        for (int j = 0; j <= k; j++) {
            dp[i][j] = INT32_MAX;
        }
    }
    dp[0][0] = 0;
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= k; j++) {
            for (int t = 0; t < i; t++) {
                if (dp[t][j - 1] != INT32_MAX) {
                    dp[i][j] = min(dp[i][j], dp[t][j - 1] + c[t + 1][i]);
                }
            }
        }
    }
    cout << dp[n][k];
    return 0;
}

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