Submission #1290071

#	Time	Username	Problem	Language	Result	Execution time	Memory
1290071		lucaskojima	Stove (JOI18_stove)	C++17	50 / 100	155 ms	327680 KiB

stove

#include "bits/stdc++.h"
#define sz(x) (int)size(x)
#define all(x) begin(x), end(x)
#define rall(x) rbegin(x), rend(x)

using namespace std;
using ll = long long;
using pii = pair<int, int>;

const char nl = '\n';
const int INF = 0x3f3f3f3f;
const ll LINF = 0x3f3f3f3f3f3f3f3f;

int32_t main() {
  ios::sync_with_stdio(0), cin.tie(0);

  int n, k; cin >> n >> k;

  vector<int> a(n + 1);
  for (int i = 1; i <= n; i++)
    cin >> a[i];

  vector dp(n + 1, vector<ll>(k + 1, LINF));
  dp[0][0] = 0;

  for (int i = 1; i <= n; i++)
    for (int j = 1; j <= k; j++)
      dp[i][j] = min(dp[i - 1][j - 1] + 1, dp[i - 1][j] + a[i] - a[i - 1]);

  cout << dp[n][k] << nl;
  return 0;
}

• Subtask 1: 20 / 20
• Subtask 2: 30 / 30
• Subtask 3: 0 / 50