Submission #1172873

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1172873	2025-03-24 12:03:08	Tsagana	Watching (JOI13_watching)	C++20	0 / 100	1 ms	324 KiB

watching

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#include<bits/stdc++.h>
#define IOS ios_base::sync_with_stdio(false);cin.tie();cout.tie();
#define all(x) x.begin(), x.end()
#define int long long
#define pq priority_queue
#define eb emplace_back
#define lb lower_bound
#define ub upper_bound
#define pb push_back
#define pp pop_back
#define F first
#define S second
using namespace std;
int n, p, q;
int a[2010];
int dp[2010][2010];
int check(int x) {
  for (int i = 1; i <= q; i++) dp[i][0] = 1e9;
  dp[0][0] = 0;
  int t1 = 1, t2 = 1;
  for (int t3 = 1; t3 <= n; t3++) {
    while (t1 <= t3 && a[t3] - a[t1] >= 2*x) t1++;
    while (t2 <= t3 && a[t3] - a[t2] >= x  ) t2++;
    for (int i = 0; i <= q; i++)  {
      dp[i][t3] = 1e9;
      if (i > 0) dp[i][t3] = min(dp[i-1][t1-1], dp[i][t3]);
 
 
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• Subtask 1: 0 / 50
• Subtask 2: 0 / 50