제출 #241113

#제출 시각아이디문제언어결과실행 시간메모리
241113Jorge213K개의 묶음 (IZhO14_blocks)C++14
0 / 100
30 ms45688 KiB
#include <bits/stdc++.h> using namespace std; const int N = 1e5 + 10; const int K = 105; int n, k, dp[N][K], a[N], mx[N][K]; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cin >> n >> k; for (int i = 1; i <= n; i++) { cin >> a[i]; } memset(dp, 1, sizeof dp); dp[1][1] = a[1]; mx[1][1] = a[1]; for (int i = 1; i <= n; i++) { for (int j = 1; j <= k; j++) { if (dp[i + 1][j] > dp[i][j] - mx[i][j] + max(mx[i][j], a[i + 1])) { dp[i + 1][j] = dp[i][j] + - mx[i][j] + max(mx[i][j], a[i + 1]); mx[i + 1][j] = max(mx[i][j], a[i + 1]); } if (dp[i + 1][j + 1] > dp[i][j] + a[i + 1]) { dp[i + 1][j + 1] = dp[i][j] + a[i + 1]; mx[i + 1][j + 1] = a[i + 1]; } } } cout << dp[n][k] << endl; return 0; }
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