제출 #887265

#제출 시각아이디문제언어결과실행 시간메모리
887265tigranK개의 묶음 (IZhO14_blocks)C++17
53 / 100
1012 ms4696 KiB
#include <bits/stdc++.h> using namespace std; int a[100005], pref[100005]; int dp[100005][105]; int main() { int n, k; cin>>n>>k; dp[0][1]=0; for(int i=1;i<=n;i++){ cin>>a[i]; dp[i][1]=max(a[i], dp[i-1][1]); } for(int j=2;j<=n;j++){ for(int i=j;i<=n;i++){ // d[i][j]=min(dp[i-1][j-1]+a[i], dp[i-2][j-1]+max(a[i-2], a[i-1]), ..., dp[j-1][j-1]+max(a[j-1], a[j-2], ..., a[i])) int mx=a[i]; dp[i][j]=dp[i-1][j-1]+mx; for(int k=i-2;k>=j-1;k--){ mx=max(mx, a[k+1]); dp[i][j]=min(dp[i][j], dp[k][j-1]+mx); } } } cout<<dp[n][k]; return 0; }
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