oj.uz

Submission #757596

# Submission time Handle Problem Language Result Execution time Memory
757596 2023-06-13T12:09:00 Z Fidan K blocks (IZhO14_blocks) C++17
100 / 100
 744 ms 5652 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define rep(i, a, b) for(ll i=ll(a); i<ll(b); i++)
#define repn(i, a, b) for(ll i=ll(b)-1; i>=ll(a); i--)
#define pb push_back
#define si size()
#define ff first
#define ss second
#define be begin()
#define en end()
const ll N=(1e5)+1;
const ll K=101;
const ll inf=(1e8)+1;
vector<ll> v(N);
vector<ll> x(N, -1);
vector<ll> s;
vector<ll> dp1(N, inf), dp2(N, inf);
vector<ll> T(2*N, inf);
void upd(ll in, ll val, ll n){
	in+=n;
	T[in]=val;
	while(in>1){
		in/=2;
		T[in]=min(T[2*in], T[2*in+1]);
	}
}
ll que(ll l, ll r, ll n){
	l+=n, r+=n;
	ll mn=inf;
	while(l<r){
		if(l%2==1){
			mn=min(mn, T[l]);
			l++;
		}
		if(r%2==1){
			r--;
			mn=min(mn, T[r]);
		}
		l/=2;
		r/=2;
	}
	return mn;
}
void solve(){
	ll n, k;
	cin>>n>>k;
	rep(i, 0, n){
		cin>>v[i];
	}
	ll o=0;
	s.pb(1);
	rep(i, 1, n){
		if(v[s[o]]>=v[i]){
			x[i]=s[o];
		}
		else{
			while(true){
				if(o<0) break;
				if(v[s[o]]>=v[i]) break;
				s.pop_back();
				o--;
			}
			if(o!=-1){
				x[i]=s[o];
			}
		}
		o++;
		s.pb(i);
	}
	dp1[0]=v[0];
	upd(0, dp1[0], n);
	rep(i, 1, n){
		dp1[i]=max(dp1[i-1], v[i]);
		upd(i, dp1[i], n);
	}
	rep(j, 2, k+1){
		rep(i, 0, n){
			dp2[i]=inf;
			if(i+1<j){
				continue;
			}
			else{
				dp2[i]=v[i]+dp1[i-1];
				if(x[i]==-1){
					dp2[i]=min(dp2[i], v[i]+que(0, i-1, n));
				}
				else if(x[i]==i-1){
					dp2[i]=min(dp2[i], dp2[x[i]]);
				}
				else{
					dp2[i]=min(dp2[i], v[i]+que(x[i]+1, i-1, n));
					dp2[i]=min(dp2[i], dp2[x[i]]);
				}
			}
		}
		rep(i, 0, n){
			upd(i, dp2[i], n);
		}
		swap(dp1, dp2);
	}
	cout<<dp1[n-1];
}
int main(){
	ios_base::sync_with_stdio();
	cin.tie(0);
	ll t=1;
	//~ cin>>t;
	while(t--){
		solve();
	}
	return 0;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 4 ms 4948 KB Output is correct
3 Correct 2 ms 4948 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 2 ms 4948 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 2 ms 4948 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct
18 Correct 2 ms 4948 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 4912 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 2 ms 4948 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 2 ms 4948 KB Output is correct
14 Correct 2 ms 4948 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 4 ms 4948 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct
18 Correct 2 ms 4948 KB Output is correct
19 Correct 2 ms 4948 KB Output is correct
20 Correct 2 ms 4948 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 4 ms 4948 KB Output is correct
3 Correct 2 ms 4948 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 2 ms 4948 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 2 ms 4948 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct
18 Correct 2 ms 4948 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 3 ms 4912 KB Output is correct
22 Correct 3 ms 4948 KB Output is correct
23 Correct 2 ms 4948 KB Output is correct
24 Correct 3 ms 4948 KB Output is correct
25 Correct 2 ms 4948 KB Output is correct
26 Correct 2 ms 4948 KB Output is correct
27 Correct 3 ms 4948 KB Output is correct
28 Correct 2 ms 4948 KB Output is correct
29 Correct 2 ms 4948 KB Output is correct
30 Correct 3 ms 4948 KB Output is correct
31 Correct 2 ms 4948 KB Output is correct
32 Correct 2 ms 4948 KB Output is correct
33 Correct 3 ms 4948 KB Output is correct
34 Correct 4 ms 4948 KB Output is correct
35 Correct 3 ms 4948 KB Output is correct
36 Correct 2 ms 4948 KB Output is correct
37 Correct 2 ms 4948 KB Output is correct
38 Correct 2 ms 4948 KB Output is correct
39 Correct 3 ms 4948 KB Output is correct
40 Correct 3 ms 4948 KB Output is correct
41 Correct 2 ms 4948 KB Output is correct
42 Correct 3 ms 4948 KB Output is correct
43 Correct 2 ms 4948 KB Output is correct
44 Correct 3 ms 4948 KB Output is correct
45 Correct 2 ms 4948 KB Output is correct
46 Correct 2 ms 4948 KB Output is correct
47 Correct 3 ms 4948 KB Output is correct
48 Correct 2 ms 4948 KB Output is correct
49 Correct 2 ms 4948 KB Output is correct
50 Correct 2 ms 4948 KB Output is correct
51 Correct 2 ms 4948 KB Output is correct
52 Correct 3 ms 4948 KB Output is correct
53 Correct 3 ms 4948 KB Output is correct
54 Correct 3 ms 4948 KB Output is correct
55 Correct 3 ms 4948 KB Output is correct
56 Correct 4 ms 4948 KB Output is correct
57 Correct 3 ms 4948 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 4 ms 4948 KB Output is correct
3 Correct 2 ms 4948 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 2 ms 4948 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 2 ms 4948 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct
18 Correct 2 ms 4948 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 3 ms 4912 KB Output is correct
22 Correct 3 ms 4948 KB Output is correct
23 Correct 2 ms 4948 KB Output is correct
24 Correct 3 ms 4948 KB Output is correct
25 Correct 2 ms 4948 KB Output is correct
26 Correct 2 ms 4948 KB Output is correct
27 Correct 3 ms 4948 KB Output is correct
28 Correct 2 ms 4948 KB Output is correct
29 Correct 2 ms 4948 KB Output is correct
30 Correct 3 ms 4948 KB Output is correct
31 Correct 2 ms 4948 KB Output is correct
32 Correct 2 ms 4948 KB Output is correct
33 Correct 3 ms 4948 KB Output is correct
34 Correct 4 ms 4948 KB Output is correct
35 Correct 3 ms 4948 KB Output is correct
36 Correct 2 ms 4948 KB Output is correct
37 Correct 2 ms 4948 KB Output is correct
38 Correct 2 ms 4948 KB Output is correct
39 Correct 3 ms 4948 KB Output is correct
40 Correct 3 ms 4948 KB Output is correct
41 Correct 2 ms 4948 KB Output is correct
42 Correct 3 ms 4948 KB Output is correct
43 Correct 2 ms 4948 KB Output is correct
44 Correct 3 ms 4948 KB Output is correct
45 Correct 2 ms 4948 KB Output is correct
46 Correct 2 ms 4948 KB Output is correct
47 Correct 3 ms 4948 KB Output is correct
48 Correct 2 ms 4948 KB Output is correct
49 Correct 2 ms 4948 KB Output is correct
50 Correct 2 ms 4948 KB Output is correct
51 Correct 2 ms 4948 KB Output is correct
52 Correct 3 ms 4948 KB Output is correct
53 Correct 3 ms 4948 KB Output is correct
54 Correct 3 ms 4948 KB Output is correct
55 Correct 3 ms 4948 KB Output is correct
56 Correct 4 ms 4948 KB Output is correct
57 Correct 3 ms 4948 KB Output is correct
58 Correct 27 ms 5024 KB Output is correct
59 Correct 23 ms 4948 KB Output is correct
60 Correct 41 ms 4992 KB Output is correct
61 Correct 238 ms 4948 KB Output is correct
62 Correct 744 ms 5000 KB Output is correct
63 Correct 46 ms 4948 KB Output is correct
64 Correct 400 ms 5000 KB Output is correct
65 Correct 2 ms 4948 KB Output is correct
66 Correct 2 ms 4948 KB Output is correct
67 Correct 2 ms 4948 KB Output is correct
68 Correct 2 ms 4948 KB Output is correct
69 Correct 2 ms 4948 KB Output is correct
70 Correct 3 ms 4948 KB Output is correct
71 Correct 47 ms 4948 KB Output is correct
72 Correct 5 ms 5016 KB Output is correct
73 Correct 16 ms 5012 KB Output is correct
74 Correct 19 ms 4948 KB Output is correct
75 Correct 33 ms 5012 KB Output is correct
76 Correct 181 ms 4948 KB Output is correct
77 Correct 559 ms 5000 KB Output is correct
78 Correct 52 ms 5000 KB Output is correct
79 Correct 265 ms 4948 KB Output is correct
80 Correct 32 ms 5016 KB Output is correct
81 Correct 82 ms 4996 KB Output is correct
82 Correct 592 ms 5000 KB Output is correct
83 Correct 3 ms 4948 KB Output is correct
84 Correct 3 ms 4948 KB Output is correct
85 Correct 41 ms 5076 KB Output is correct
86 Correct 6 ms 5076 KB Output is correct
87 Correct 15 ms 5140 KB Output is correct
88 Correct 16 ms 5400 KB Output is correct
89 Correct 27 ms 5332 KB Output is correct
90 Correct 166 ms 5400 KB Output is correct
91 Correct 548 ms 5652 KB Output is correct
92 Correct 42 ms 5520 KB Output is correct
93 Correct 228 ms 5648 KB Output is correct
94 Correct 7 ms 4948 KB Output is correct
95 Correct 64 ms 4992 KB Output is correct
96 Correct 3 ms 4940 KB Output is correct
97 Correct 3 ms 4948 KB Output is correct
98 Correct 4 ms 4948 KB Output is correct
99 Correct 3 ms 4948 KB Output is correct