oj.uz

Submission #756339

# Submission time Handle Problem Language Result Execution time Memory
756339 2023-06-11T14:17:36 Z Fidan K blocks (IZhO14_blocks) C++17
53 / 100
 1000 ms 7368 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)+10;
const ll K=110;
const ll inf=(1e8)+10;
vector<ll> v(N);
vector<ll> x(N, -1);
vector<ll> s;
vector<ll> dp1(N, inf), dp2(N, inf);
vector<ll> T(4*N, inf);
void upd(ll in, ll val, ll l, ll r, ll v1){
	if(l==r && r==in){
		T[v1]=val;
		return;
	}
	if(l>r) return;
	ll mid=(l+r)/2;
	if(in<=mid){
		upd(in, val, l, mid, 2*v1);
	}
	else{
		upd(in, val, mid+1, r, 2*v1+1);
	}
	T[v1]=min(T[2*v1], T[2*v1+1]);
}
ll que(ll l, ll r, ll tl, ll tr, ll v1){
	if(l>r) return inf;
	if(l==tl && r==tr) return T[v1];
	ll mid=(tl+tr)/2;
	return min(que(l, min(r, mid), tl, mid, 2*v1), que(max(mid+1, l), r, mid+1, tr, 2*v1+1));
}
void solve(){
	ll n, k;
	cin>>n>>k;
	rep(i, 1, n+1){
		cin>>v[i];
	}
	ll o=0;
	s.pb(1);
	rep(i, 2, n+1){
		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[1]=v[1];
	upd(1, dp1[1], 1, n, 1);
	rep(i, 2, n+1){
		dp1[i]=max(dp1[i-1], v[i]);
		upd(i, dp1[i], 1, n, 1);
	}
	vector<ll> pre(N, 0);
	rep(i, 1, n+1){
		pre[i]=pre[i-1]+v[i];
	}
	rep(j, 2, k+1){
		rep(i, 1, n+1){
			dp2[i]=inf;
			if(i<j){
				continue;
			}
			else if(i==j){
				dp2[i]=pre[i];
			}
			else{
				dp2[i]=v[i]+dp1[i-1];
				if(x[i]==-1){
					dp2[i]=min(dp2[i], v[i]+que(1, i-1, 1, n, 1));
				}
				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, 1, n, 1));
					dp2[i]=min(dp2[i], dp2[x[i]]);
				}
			}
		}
		rep(i, 1, n+1){
			upd(i, dp2[i], 1, n, 1);
		}
		swap(dp1, dp2);
	}
	cout<<dp1[n];
}
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 7252 KB Output is correct
2 Correct 3 ms 7252 KB Output is correct
3 Correct 4 ms 7252 KB Output is correct
4 Correct 3 ms 7252 KB Output is correct
5 Correct 4 ms 7252 KB Output is correct
6 Correct 5 ms 7252 KB Output is correct
7 Correct 3 ms 7252 KB Output is correct
8 Correct 4 ms 7252 KB Output is correct
9 Correct 4 ms 7252 KB Output is correct
10 Correct 3 ms 7252 KB Output is correct
11 Correct 3 ms 7252 KB Output is correct
12 Correct 4 ms 7252 KB Output is correct
13 Correct 4 ms 7252 KB Output is correct
14 Correct 4 ms 7368 KB Output is correct
15 Correct 4 ms 7252 KB Output is correct
16 Correct 3 ms 7252 KB Output is correct
17 Correct 4 ms 7308 KB Output is correct
18 Correct 4 ms 7252 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7252 KB Output is correct
2 Correct 3 ms 7252 KB Output is correct
3 Correct 3 ms 7252 KB Output is correct
4 Correct 3 ms 7252 KB Output is correct
5 Correct 4 ms 7252 KB Output is correct
6 Correct 3 ms 7252 KB Output is correct
7 Correct 3 ms 7252 KB Output is correct
8 Correct 3 ms 7252 KB Output is correct
9 Correct 3 ms 7252 KB Output is correct
10 Correct 4 ms 7252 KB Output is correct
11 Correct 4 ms 7252 KB Output is correct
12 Correct 3 ms 7252 KB Output is correct
13 Correct 4 ms 7252 KB Output is correct
14 Correct 4 ms 7252 KB Output is correct
15 Correct 4 ms 7252 KB Output is correct
16 Correct 3 ms 7252 KB Output is correct
17 Correct 3 ms 7252 KB Output is correct
18 Correct 3 ms 7252 KB Output is correct
19 Correct 4 ms 7356 KB Output is correct
20 Correct 3 ms 7252 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7252 KB Output is correct
2 Correct 3 ms 7252 KB Output is correct
3 Correct 4 ms 7252 KB Output is correct
4 Correct 3 ms 7252 KB Output is correct
5 Correct 4 ms 7252 KB Output is correct
6 Correct 5 ms 7252 KB Output is correct
7 Correct 3 ms 7252 KB Output is correct
8 Correct 4 ms 7252 KB Output is correct
9 Correct 4 ms 7252 KB Output is correct
10 Correct 3 ms 7252 KB Output is correct
11 Correct 3 ms 7252 KB Output is correct
12 Correct 4 ms 7252 KB Output is correct
13 Correct 4 ms 7252 KB Output is correct
14 Correct 4 ms 7368 KB Output is correct
15 Correct 4 ms 7252 KB Output is correct
16 Correct 3 ms 7252 KB Output is correct
17 Correct 4 ms 7308 KB Output is correct
18 Correct 4 ms 7252 KB Output is correct
19 Correct 3 ms 7252 KB Output is correct
20 Correct 3 ms 7252 KB Output is correct
21 Correct 3 ms 7252 KB Output is correct
22 Correct 3 ms 7252 KB Output is correct
23 Correct 4 ms 7252 KB Output is correct
24 Correct 3 ms 7252 KB Output is correct
25 Correct 3 ms 7252 KB Output is correct
26 Correct 3 ms 7252 KB Output is correct
27 Correct 3 ms 7252 KB Output is correct
28 Correct 4 ms 7252 KB Output is correct
29 Correct 4 ms 7252 KB Output is correct
30 Correct 3 ms 7252 KB Output is correct
31 Correct 4 ms 7252 KB Output is correct
32 Correct 4 ms 7252 KB Output is correct
33 Correct 4 ms 7252 KB Output is correct
34 Correct 3 ms 7252 KB Output is correct
35 Correct 3 ms 7252 KB Output is correct
36 Correct 3 ms 7252 KB Output is correct
37 Correct 4 ms 7356 KB Output is correct
38 Correct 3 ms 7252 KB Output is correct
39 Correct 4 ms 7252 KB Output is correct
40 Correct 3 ms 7252 KB Output is correct
41 Correct 4 ms 7252 KB Output is correct
42 Correct 4 ms 7252 KB Output is correct
43 Correct 3 ms 7252 KB Output is correct
44 Correct 4 ms 7252 KB Output is correct
45 Correct 4 ms 7252 KB Output is correct
46 Correct 3 ms 7252 KB Output is correct
47 Correct 3 ms 7252 KB Output is correct
48 Correct 4 ms 7252 KB Output is correct
49 Correct 3 ms 7252 KB Output is correct
50 Correct 4 ms 7252 KB Output is correct
51 Correct 4 ms 7252 KB Output is correct
52 Correct 4 ms 7252 KB Output is correct
53 Correct 4 ms 7252 KB Output is correct
54 Correct 4 ms 7252 KB Output is correct
55 Correct 4 ms 7252 KB Output is correct
56 Correct 4 ms 7252 KB Output is correct
57 Correct 6 ms 7252 KB Output is correct

Subtask #4
0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7252 KB Output is correct
2 Correct 3 ms 7252 KB Output is correct
3 Correct 4 ms 7252 KB Output is correct
4 Correct 3 ms 7252 KB Output is correct
5 Correct 4 ms 7252 KB Output is correct
6 Correct 5 ms 7252 KB Output is correct
7 Correct 3 ms 7252 KB Output is correct
8 Correct 4 ms 7252 KB Output is correct
9 Correct 4 ms 7252 KB Output is correct
10 Correct 3 ms 7252 KB Output is correct
11 Correct 3 ms 7252 KB Output is correct
12 Correct 4 ms 7252 KB Output is correct
13 Correct 4 ms 7252 KB Output is correct
14 Correct 4 ms 7368 KB Output is correct
15 Correct 4 ms 7252 KB Output is correct
16 Correct 3 ms 7252 KB Output is correct
17 Correct 4 ms 7308 KB Output is correct
18 Correct 4 ms 7252 KB Output is correct
19 Correct 3 ms 7252 KB Output is correct
20 Correct 3 ms 7252 KB Output is correct
21 Correct 3 ms 7252 KB Output is correct
22 Correct 3 ms 7252 KB Output is correct
23 Correct 4 ms 7252 KB Output is correct
24 Correct 3 ms 7252 KB Output is correct
25 Correct 3 ms 7252 KB Output is correct
26 Correct 3 ms 7252 KB Output is correct
27 Correct 3 ms 7252 KB Output is correct
28 Correct 4 ms 7252 KB Output is correct
29 Correct 4 ms 7252 KB Output is correct
30 Correct 3 ms 7252 KB Output is correct
31 Correct 4 ms 7252 KB Output is correct
32 Correct 4 ms 7252 KB Output is correct
33 Correct 4 ms 7252 KB Output is correct
34 Correct 3 ms 7252 KB Output is correct
35 Correct 3 ms 7252 KB Output is correct
36 Correct 3 ms 7252 KB Output is correct
37 Correct 4 ms 7356 KB Output is correct
38 Correct 3 ms 7252 KB Output is correct
39 Correct 4 ms 7252 KB Output is correct
40 Correct 3 ms 7252 KB Output is correct
41 Correct 4 ms 7252 KB Output is correct
42 Correct 4 ms 7252 KB Output is correct
43 Correct 3 ms 7252 KB Output is correct
44 Correct 4 ms 7252 KB Output is correct
45 Correct 4 ms 7252 KB Output is correct
46 Correct 3 ms 7252 KB Output is correct
47 Correct 3 ms 7252 KB Output is correct
48 Correct 4 ms 7252 KB Output is correct
49 Correct 3 ms 7252 KB Output is correct
50 Correct 4 ms 7252 KB Output is correct
51 Correct 4 ms 7252 KB Output is correct
52 Correct 4 ms 7252 KB Output is correct
53 Correct 4 ms 7252 KB Output is correct
54 Correct 4 ms 7252 KB Output is correct
55 Correct 4 ms 7252 KB Output is correct
56 Correct 4 ms 7252 KB Output is correct
57 Correct 6 ms 7252 KB Output is correct
58 Correct 54 ms 7252 KB Output is correct
59 Correct 20 ms 7244 KB Output is correct
60 Correct 71 ms 7352 KB Output is correct
61 Correct 682 ms 7348 KB Output is correct
62 Execution timed out 1076 ms 7244 KB Time limit exceeded
63 Halted 0 ms 0 KB -