Submission #1053948

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1053948	2024-08-11 22:37:12	TAhmed33	Split the sequence (APIO14_sequence)	C++98	0 / 100	20 ms	131072 KiB

sequence

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll inf = 1e15;
ll dp[100001][202], a[100001], n, m;
ll par[100001][202];
void solve () {
  cin >> n >> m; m++;
  for (int i = 1; i <= n; i++) {
    cin >> a[i]; a[i] += a[i - 1];
  }
  memset(par, -1, sizeof(par));
  for (int i = 1; i <= n; i++) {
    dp[i][0] = -inf; 
  } 
  auto f = [&] (int l, int r) -> ll {
    return (a[r] - a[l - 1]) * a[l - 1];
  };
  for (int j = 1; j <= m; j++) {
    for (int i = 0; i < j; i++) {
      dp[i][j] = -inf;
    }
    for (int i = j; i <= n; i++) {
      dp[i][j] = -inf;
      for (int k = i - 1; k >= 0; k--) {
        ll x = dp[k][j - 1] + f(k + 1, i);
        if (x > dp[i][j]) {
          dp[i][j] = x;
          par[i][j] = k;
        }
 
 
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• Subtask 1: 0 / 11
• Subtask 2: 0 / 11
• Subtask 3: 0 / 11
• Subtask 4: 0 / 17
• Subtask 5: 0 / 21
• Subtask 6: 0 / 29