oj.uz

Submission #757595

# Submission time Handle Problem Language Result Execution time Memory
757595 2023-06-13T12:08:25 Z Fidan K blocks (IZhO14_blocks) C++17
100 / 100
 777 ms 6408 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 construct(ll n){
	rep(i, 0, n){
		T[n+i]=v[i];
	}
	repn(i, 1, n){
		T[i]=min(T[2*i], T[2*i+1]);
	}
}
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 3 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 5028 KB Output is correct
6 Correct 4 ms 4948 KB Output is correct
7 Correct 2 ms 5024 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 4948 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 5016 KB Output is correct
14 Correct 3 ms 5016 KB Output is correct
15 Correct 3 ms 5020 KB Output is correct
16 Correct 2 ms 4948 KB Output is correct
17 Correct 3 ms 5020 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 5024 KB Output is correct
3 Correct 3 ms 5024 KB Output is correct
4 Correct 4 ms 5016 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 4 ms 5020 KB Output is correct
7 Correct 3 ms 4912 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 5024 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 5016 KB Output is correct
15 Correct 3 ms 5020 KB Output is correct
16 Correct 3 ms 5032 KB Output is correct
17 Correct 3 ms 5016 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 3 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 3 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 5028 KB Output is correct
6 Correct 4 ms 4948 KB Output is correct
7 Correct 2 ms 5024 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 4948 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 5016 KB Output is correct
14 Correct 3 ms 5016 KB Output is correct
15 Correct 3 ms 5020 KB Output is correct
16 Correct 2 ms 4948 KB Output is correct
17 Correct 3 ms 5020 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 5024 KB Output is correct
21 Correct 3 ms 5024 KB Output is correct
22 Correct 4 ms 5016 KB Output is correct
23 Correct 3 ms 4948 KB Output is correct
24 Correct 4 ms 5020 KB Output is correct
25 Correct 3 ms 4912 KB Output is correct
26 Correct 3 ms 4948 KB Output is correct
27 Correct 3 ms 4948 KB Output is correct
28 Correct 3 ms 5024 KB Output is correct
29 Correct 3 ms 4948 KB Output is correct
30 Correct 3 ms 4948 KB Output is correct
31 Correct 3 ms 4948 KB Output is correct
32 Correct 3 ms 5016 KB Output is correct
33 Correct 3 ms 5020 KB Output is correct
34 Correct 3 ms 5032 KB Output is correct
35 Correct 3 ms 5016 KB Output is correct
36 Correct 3 ms 4948 KB Output is correct
37 Correct 3 ms 4948 KB Output is correct
38 Correct 3 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 3 ms 5076 KB Output is correct
42 Correct 4 ms 4948 KB Output is correct
43 Correct 3 ms 4948 KB Output is correct
44 Correct 3 ms 4972 KB Output is correct
45 Correct 3 ms 4948 KB Output is correct
46 Correct 3 ms 4964 KB Output is correct
47 Correct 2 ms 5024 KB Output is correct
48 Correct 4 ms 4948 KB Output is correct
49 Correct 3 ms 4948 KB Output is correct
50 Correct 3 ms 4948 KB Output is correct
51 Correct 3 ms 4948 KB Output is correct
52 Correct 2 ms 4948 KB Output is correct
53 Correct 3 ms 4948 KB Output is correct
54 Correct 3 ms 5020 KB Output is correct
55 Correct 4 ms 4948 KB Output is correct
56 Correct 3 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 3 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 5028 KB Output is correct
6 Correct 4 ms 4948 KB Output is correct
7 Correct 2 ms 5024 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 4948 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 5016 KB Output is correct
14 Correct 3 ms 5016 KB Output is correct
15 Correct 3 ms 5020 KB Output is correct
16 Correct 2 ms 4948 KB Output is correct
17 Correct 3 ms 5020 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 5024 KB Output is correct
21 Correct 3 ms 5024 KB Output is correct
22 Correct 4 ms 5016 KB Output is correct
23 Correct 3 ms 4948 KB Output is correct
24 Correct 4 ms 5020 KB Output is correct
25 Correct 3 ms 4912 KB Output is correct
26 Correct 3 ms 4948 KB Output is correct
27 Correct 3 ms 4948 KB Output is correct
28 Correct 3 ms 5024 KB Output is correct
29 Correct 3 ms 4948 KB Output is correct
30 Correct 3 ms 4948 KB Output is correct
31 Correct 3 ms 4948 KB Output is correct
32 Correct 3 ms 5016 KB Output is correct
33 Correct 3 ms 5020 KB Output is correct
34 Correct 3 ms 5032 KB Output is correct
35 Correct 3 ms 5016 KB Output is correct
36 Correct 3 ms 4948 KB Output is correct
37 Correct 3 ms 4948 KB Output is correct
38 Correct 3 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 3 ms 5076 KB Output is correct
42 Correct 4 ms 4948 KB Output is correct
43 Correct 3 ms 4948 KB Output is correct
44 Correct 3 ms 4972 KB Output is correct
45 Correct 3 ms 4948 KB Output is correct
46 Correct 3 ms 4964 KB Output is correct
47 Correct 2 ms 5024 KB Output is correct
48 Correct 4 ms 4948 KB Output is correct
49 Correct 3 ms 4948 KB Output is correct
50 Correct 3 ms 4948 KB Output is correct
51 Correct 3 ms 4948 KB Output is correct
52 Correct 2 ms 4948 KB Output is correct
53 Correct 3 ms 4948 KB Output is correct
54 Correct 3 ms 5020 KB Output is correct
55 Correct 4 ms 4948 KB Output is correct
56 Correct 3 ms 4948 KB Output is correct
57 Correct 3 ms 4948 KB Output is correct
58 Correct 23 ms 5076 KB Output is correct
59 Correct 18 ms 5276 KB Output is correct
60 Correct 36 ms 5312 KB Output is correct
61 Correct 256 ms 5296 KB Output is correct
62 Correct 777 ms 5688 KB Output is correct
63 Correct 60 ms 5680 KB Output is correct
64 Correct 350 ms 5716 KB Output is correct
65 Correct 3 ms 5020 KB Output is correct
66 Correct 3 ms 4948 KB Output is correct
67 Correct 4 ms 4984 KB Output is correct
68 Correct 3 ms 5020 KB Output is correct
69 Correct 3 ms 4948 KB Output is correct
70 Correct 4 ms 4948 KB Output is correct
71 Correct 48 ms 5024 KB Output is correct
72 Correct 6 ms 5076 KB Output is correct
73 Correct 16 ms 5036 KB Output is correct
74 Correct 16 ms 5288 KB Output is correct
75 Correct 30 ms 5312 KB Output is correct
76 Correct 196 ms 5324 KB Output is correct
77 Correct 579 ms 5708 KB Output is correct
78 Correct 44 ms 5676 KB Output is correct
79 Correct 268 ms 5676 KB Output is correct
80 Correct 35 ms 5588 KB Output is correct
81 Correct 85 ms 5680 KB Output is correct
82 Correct 576 ms 5680 KB Output is correct
83 Correct 3 ms 5076 KB Output is correct
84 Correct 3 ms 4948 KB Output is correct
85 Correct 43 ms 5076 KB Output is correct
86 Correct 6 ms 5092 KB Output is correct
87 Correct 14 ms 5076 KB Output is correct
88 Correct 16 ms 5640 KB Output is correct
89 Correct 28 ms 5588 KB Output is correct
90 Correct 168 ms 5708 KB Output is correct
91 Correct 487 ms 6408 KB Output is correct
92 Correct 45 ms 6216 KB Output is correct
93 Correct 233 ms 6264 KB Output is correct
94 Correct 6 ms 5076 KB Output is correct
95 Correct 66 ms 5076 KB Output is correct
96 Correct 4 ms 4948 KB Output is correct
97 Correct 3 ms 4948 KB Output is correct
98 Correct 3 ms 5004 KB Output is correct
99 Correct 3 ms 4948 KB Output is correct