제출 #477483

#제출 시각아이디문제언어결과실행 시간메모리
477483PiejanVDC수열 (APIO14_sequence)C++17
0 / 100
2100 ms16008 KiB
#include <bits/stdc++.h> using namespace std; signed main() { int n,k; cin>>n>>k; vector<int>pref(n+1); pref[0]=0; for(int i = 0 ; i < n ; i++) { int x; cin>>x; pref[i+1] = pref[i] + x; } int res[n+1][k+1]; int dp[n+1][k+1]; for(int i = 0 ; i <= n ; i++) dp[i][0] = 0; for(int i = 1 ; i <= k ; i++) dp[0][i] = 0; for(int i = 1 ; i <= k ; i++) { for(int j = 1 ; j <= n ; j++) { dp[j][i] = 0; for(int c = 1 ; c < j ; c++) { if(dp[c][i-1] + (pref[n] - pref[j-1]) * (pref[j-1] - pref[c-1]) > dp[j][i]) { res[j][i] = c; } dp[j][i] = max(dp[j][i],dp[c][i-1] + (pref[n] - pref[j-1]) * (pref[j-1] - pref[c-1])); } } } int mx=0; vector<int>ans; int node; for(int i = 0 ; i <= n ; i++) { if(dp[i][k] > mx) { mx=dp[i][k]; node = i; } } cout << mx << "\n"; for(int i = 0 ; i < k ; i++) { assert(node > 0); ans.push_back(node); node = res[node][k - i]; } for(int i = 0 ; i < k ; i++) cout << ans[i]-1 << " "; }
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