Submission #64759

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
64759	2018-08-05 14:35:42	leejseo	Split the sequence (APIO14_sequence)	C++11	50 / 100	514 ms	5776 KiB

sequence

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#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
typedef long long lld;
const static int MAXN = 1005;
const static int MAXK = 205;
int N, K, P[MAXN][MAXK];
lld S[MAXN], D[MAXN][MAXK];
void input(){
  cin >> N >> K;
  for (int i=1; i<=N; i++){
    cin >> S[i];
    S[i] += S[i-1];
  }
}
int DP(){
  memset(D, -1, sizeof(D));
  for (int i=1; i<=N; i++) D[i][0] = 0;
  for (int i=1; i<=N; i++){
    for (int j=1; j<=min(K, i-1); j++){
      int prev = -1;
      for (int k=1; k<i; k++){
        if (D[k][j-1] == -1) continue;
        lld val = D[k][j-1] + S[k] * (S[i] - S[k]);
        if (val > D[i][j]){
          prev = k;
          D[i][j] = val;
 
 
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• Subtask 1: 11 / 11
• Subtask 2: 11 / 11
• Subtask 3: 11 / 11
• Subtask 4: 17 / 17
• Subtask 5: 0 / 21
• Subtask 6: 0 / 29