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Submission #1017153

# Submission time Handle Problem Language Result Execution time Memory
1017153 2024-07-09T01:45:21 Z NguyenPhucThang Rabbit Carrot (LMIO19_triusis) C++14
100 / 100
 92 ms 13516 KB 
#include <bits/stdc++.h>
#define forr(i, a, b) for (int i = a; i <= b; i++)
#define ford(i, a, b) for (int i = a; i >= b; i--)
#define fi first
#define se second
#define pb push_back
#define all(v) v.begin(), v.end()
#define ll long long
#define ld long double
#define pii pair<int, int>
#define pll pair<ll, ll>
#define vi vector<int>
#define vii vector<pii>
#define file "test"

using namespace std;
const int base = 31;
const ll mod = 1e9 + 7;
const ll oo = 1e18;
const int N = 4e5 + 5;
const int V = 4e5;

int dp[N], st[4*N];
ll h[N], t[N];
vector<ll> nen;

void update(int id, int l, int r, int i, int v){
   if (i < l ||  r < i) return;
   if (l == r){
      st[id] = max(st[id], v);
      return;
   }

   int mid = (l + r) >> 1;
   update(2 * id, l, mid, i, v), update(2 * id + 1, mid + 1, r, i, v);
   st[id] = max(st[2 * id], st[2 * id + 1]);
}

int get(int id, int l, int r, int u, int v){
   if (v < l || r < u) return 0;
   if (u <= l && r <= v) return st[id];
   
   int mid = (l + r) >> 1;
   return max(get(2 * id, l, mid, u, v), get(2 * id + 1, mid + 1, r, u, v));
}

int main()
{
   ios_base::sync_with_stdio(0);
   cin.tie(0);

   int n, M;
   cin >> n >> M;
   n += 1;
   h[1] = 0;
   t[1] = h[1] - M;
   nen.pb(t[1]);
   forr(i, 2, n){
      cin >> h[i];
      t[i] = h[i] - M*i;
      nen.pb(t[i]);
   }


   sort(all(nen));
   nen.resize(unique(all(nen)) - nen.begin());
   forr(i,1,n) t[i] = lower_bound(all(nen), t[i]) - nen.begin() + 1;

   dp[1] = 1;
   update(1, 1, V, t[1], dp[1]);

   forr(i, 2, n){
      int f = get(1, 1, V, t[i], V);
      if (f) {
         dp[i] = f + 1;
         update(1, 1, V, t[i], dp[i]);
      }
   }

   int res = 0;
   forr(i, 1, n) dp[i] -= 1;
   forr(i, 2, n) res = max(res, dp[i]);

   cout << (n - 1) - res;

   return 0;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 0 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4696 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4696 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct

Subtask #2
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 0 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4696 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4696 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4440 KB Output is correct
20 Correct 2 ms 4700 KB Output is correct
21 Correct 3 ms 4700 KB Output is correct
22 Correct 2 ms 4696 KB Output is correct
23 Correct 2 ms 4700 KB Output is correct
24 Correct 2 ms 4700 KB Output is correct
25 Correct 2 ms 4700 KB Output is correct
26 Correct 3 ms 4696 KB Output is correct
27 Correct 2 ms 4700 KB Output is correct
28 Correct 2 ms 4696 KB Output is correct
29 Correct 2 ms 4700 KB Output is correct
30 Correct 2 ms 4700 KB Output is correct
31 Correct 2 ms 4700 KB Output is correct
32 Correct 2 ms 4700 KB Output is correct
33 Correct 2 ms 4804 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4440 KB Output is correct
4 Correct 2 ms 4700 KB Output is correct
5 Correct 3 ms 4700 KB Output is correct
6 Correct 2 ms 4696 KB Output is correct
7 Correct 2 ms 4700 KB Output is correct
8 Correct 2 ms 4700 KB Output is correct
9 Correct 2 ms 4700 KB Output is correct
10 Correct 3 ms 4696 KB Output is correct
11 Correct 2 ms 4700 KB Output is correct
12 Correct 2 ms 4696 KB Output is correct
13 Correct 2 ms 4700 KB Output is correct
14 Correct 2 ms 4700 KB Output is correct
15 Correct 2 ms 4700 KB Output is correct
16 Correct 2 ms 4700 KB Output is correct
17 Correct 2 ms 4804 KB Output is correct
18 Correct 1 ms 4440 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 0 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 1 ms 4696 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4444 KB Output is correct
28 Correct 1 ms 4696 KB Output is correct
29 Correct 1 ms 4444 KB Output is correct
30 Correct 1 ms 4444 KB Output is correct
31 Correct 1 ms 4444 KB Output is correct
32 Correct 1 ms 4444 KB Output is correct
33 Correct 1 ms 4444 KB Output is correct
34 Correct 2 ms 4700 KB Output is correct
35 Correct 2 ms 4700 KB Output is correct
36 Correct 2 ms 4700 KB Output is correct
37 Correct 2 ms 4700 KB Output is correct
38 Correct 2 ms 4700 KB Output is correct
39 Correct 2 ms 4700 KB Output is correct
40 Correct 2 ms 4856 KB Output is correct
41 Correct 2 ms 4696 KB Output is correct
42 Correct 2 ms 4700 KB Output is correct
43 Correct 2 ms 4700 KB Output is correct

Subtask #4
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4700 KB Output is correct
2 Correct 2 ms 4700 KB Output is correct
3 Correct 2 ms 4700 KB Output is correct
4 Correct 2 ms 4700 KB Output is correct
5 Correct 2 ms 4700 KB Output is correct
6 Correct 2 ms 4700 KB Output is correct
7 Correct 2 ms 4856 KB Output is correct
8 Correct 2 ms 4696 KB Output is correct
9 Correct 2 ms 4700 KB Output is correct
10 Correct 2 ms 4700 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4440 KB Output is correct
14 Correct 2 ms 4700 KB Output is correct
15 Correct 3 ms 4700 KB Output is correct
16 Correct 2 ms 4696 KB Output is correct
17 Correct 2 ms 4700 KB Output is correct
18 Correct 2 ms 4700 KB Output is correct
19 Correct 2 ms 4700 KB Output is correct
20 Correct 3 ms 4696 KB Output is correct
21 Correct 2 ms 4700 KB Output is correct
22 Correct 2 ms 4696 KB Output is correct
23 Correct 2 ms 4700 KB Output is correct
24 Correct 2 ms 4700 KB Output is correct
25 Correct 2 ms 4700 KB Output is correct
26 Correct 2 ms 4700 KB Output is correct
27 Correct 2 ms 4804 KB Output is correct
28 Correct 1 ms 4440 KB Output is correct
29 Correct 1 ms 4444 KB Output is correct
30 Correct 1 ms 4444 KB Output is correct
31 Correct 0 ms 4444 KB Output is correct
32 Correct 1 ms 4444 KB Output is correct
33 Correct 1 ms 4444 KB Output is correct
34 Correct 1 ms 4696 KB Output is correct
35 Correct 1 ms 4444 KB Output is correct
36 Correct 1 ms 4444 KB Output is correct
37 Correct 1 ms 4444 KB Output is correct
38 Correct 1 ms 4696 KB Output is correct
39 Correct 1 ms 4444 KB Output is correct
40 Correct 1 ms 4444 KB Output is correct
41 Correct 1 ms 4444 KB Output is correct
42 Correct 1 ms 4444 KB Output is correct
43 Correct 1 ms 4444 KB Output is correct
44 Correct 60 ms 12172 KB Output is correct
45 Correct 81 ms 11204 KB Output is correct
46 Correct 92 ms 13504 KB Output is correct
47 Correct 90 ms 13516 KB Output is correct
48 Correct 64 ms 13004 KB Output is correct
49 Correct 63 ms 12232 KB Output is correct
50 Correct 49 ms 11200 KB Output is correct
51 Correct 55 ms 11032 KB Output is correct
52 Correct 61 ms 12488 KB Output is correct
53 Correct 37 ms 10440 KB Output is correct
54 Correct 65 ms 13252 KB Output is correct
55 Correct 84 ms 13240 KB Output is correct