oj.uz

Submission #591063

# Submission time Handle Problem Language Result Execution time Memory
591063 2022-07-06T19:28:40 Z fuad27 K blocks (IZhO14_blocks) C++17
100 / 100
 371 ms 83552 KB 
/*
 * Created: 2022-07-06 12:51
*/
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace __gnu_pbds;
using namespace std;
using namespace chrono;
// using namespace atcoder

template <typename T>
using ordered_set =
    tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

typedef long long ll;
typedef long double ld;
const ll inf = 1e18;

#define pii		pair<int,int>
#define pll		pair<ll,ll>
#define vi		vector<int>
#define vll		vector<ll>
#define rep(i, a, b)	for(int i = (a);i<(b);i++)
#define repn(i, a, b)	for(int i = (a);i>=(b);i--)
#define ss		second
#define ff		first
#define mkp		make_pair
#define pb		push_back

#define all(x)		(x).begin(), (x).end()
const int N = 100'010;
long long T[2*N];
int n;
int sz;
void build(long long a[]) {
	for(int i = 0;i<sz;i++)T[i+sz]=a[i];
	for(int i = sz-1;i>0;i--)T[i]=min(T[i<<1],T[i<<1|1]);
}
ll query(int l, int r) {
	r++;
	ll res=inf;
	for(l+=sz,r+=sz;l<r;l>>=1ll,r>>=1ll) {
		if(l&1)res=min(res, T[l++]);
		if(r&1)res=min(res, T[--r]);
	}
	return res;
}
void solve() {
	int k;
	cin >> n >> k;
	sz=n+1;
	ll dp[k+1][n+1];
	ll a[n+1];
	rep(i, 1, n+1)cin >> a[i];
	a[0]=inf;
	vector<ll> stk;
	vector<ll> pr(n+1);
	stk.push_back(-1);
	rep(i, 1, n+1) {
		while(stk.back() != -1 and a[stk.back()]<=a[i])stk.pop_back();
		pr[i]=stk.back();
		stk.pb(i);
	}
	rep(i, 1, k+1)dp[i][0]=inf;
	rep(i, 1, n+1)dp[0][i]=inf;
	dp[0][0]=0;
	rep(j, 1, k+1) {
		build(dp[j-1]);
		rep(i, 1, n+1) {
			if(pr[i]!=-1)dp[j][i] = min(query(pr[i],i-1)+a[i], dp[j][pr[i]]);
			else dp[j][i]=query(pr[i]+1,i-1)+a[i];
		}
	}
	cout<<dp[k][n]<<"\n";
}

int main () {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	int t = 1;
	while(t--) {
		solve();
	}
	return 0;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 332 KB Output is correct
41 Correct 1 ms 212 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 1 ms 328 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 1 ms 332 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 328 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 0 ms 212 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 340 KB Output is correct
54 Correct 1 ms 340 KB Output is correct
55 Correct 0 ms 332 KB Output is correct
56 Correct 1 ms 340 KB Output is correct
57 Correct 1 ms 340 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 332 KB Output is correct
41 Correct 1 ms 212 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 1 ms 328 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 1 ms 332 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 328 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 0 ms 212 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 340 KB Output is correct
54 Correct 1 ms 340 KB Output is correct
55 Correct 0 ms 332 KB Output is correct
56 Correct 1 ms 340 KB Output is correct
57 Correct 1 ms 340 KB Output is correct
58 Correct 11 ms 2644 KB Output is correct
59 Correct 7 ms 2640 KB Output is correct
60 Correct 17 ms 4692 KB Output is correct
61 Correct 141 ms 28752 KB Output is correct
62 Correct 371 ms 83068 KB Output is correct
63 Correct 21 ms 7252 KB Output is correct
64 Correct 177 ms 40012 KB Output is correct
65 Correct 0 ms 340 KB Output is correct
66 Correct 0 ms 340 KB Output is correct
67 Correct 0 ms 340 KB Output is correct
68 Correct 1 ms 340 KB Output is correct
69 Correct 1 ms 340 KB Output is correct
70 Correct 1 ms 340 KB Output is correct
71 Correct 23 ms 8532 KB Output is correct
72 Correct 2 ms 852 KB Output is correct
73 Correct 6 ms 2644 KB Output is correct
74 Correct 6 ms 2632 KB Output is correct
75 Correct 11 ms 4784 KB Output is correct
76 Correct 71 ms 28708 KB Output is correct
77 Correct 206 ms 83148 KB Output is correct
78 Correct 21 ms 7164 KB Output is correct
79 Correct 100 ms 40084 KB Output is correct
80 Correct 12 ms 5588 KB Output is correct
81 Correct 30 ms 12648 KB Output is correct
82 Correct 203 ms 83140 KB Output is correct
83 Correct 1 ms 340 KB Output is correct
84 Correct 1 ms 340 KB Output is correct
85 Correct 15 ms 8632 KB Output is correct
86 Correct 3 ms 980 KB Output is correct
87 Correct 6 ms 3028 KB Output is correct
88 Correct 6 ms 2904 KB Output is correct
89 Correct 9 ms 4948 KB Output is correct
90 Correct 54 ms 28976 KB Output is correct
91 Correct 153 ms 83552 KB Output is correct
92 Correct 16 ms 7676 KB Output is correct
93 Correct 83 ms 40480 KB Output is correct
94 Correct 3 ms 852 KB Output is correct
95 Correct 38 ms 8600 KB Output is correct
96 Correct 1 ms 340 KB Output is correct
97 Correct 1 ms 340 KB Output is correct
98 Correct 0 ms 212 KB Output is correct
99 Correct 1 ms 328 KB Output is correct