oj.uz

Submission #688630

# Submission time Handle Problem Language Result Execution time Memory
688630 2023-01-27T21:36:12 Z luka1234 K blocks (IZhO14_blocks) C++14
53 / 100
 1000 ms 79908 KB 
#include <bits/stdc++.h>
#define ll long long
#define ff first
#define ss second
#define pii pair<int,int>
#define pll pair<ll,ll>
#define pb push_back
#define epb emplace_back
#define ull unsigned ll
using namespace std;
int n,m;
int a[100001];
int dp[100001][101];
int t[101][400001];
int marc[100001];
void update(int v,int tl,int tr,int pos,int x,int ind){
	if(tl==tr){
		t[ind][v]=x;
	}
	else{
		int m=(tl+tr)/2;
		if(pos<=m){
			update(2*v,tl,m,pos,x,ind);
		}
		else{
			update(2*v+1,m+1,tr,pos,x,ind);
		}
		t[ind][v]=min(t[ind][2*v],t[ind][2*v+1]);
	}
}
int get(int v,int tl,int tr,int l,int r,int ind){
	if(tr<l||tl>r){
		return 1e9;
	}
	if(tl>=l&&tr<=r){
		return t[ind][v];
	}
	int m=(tl+tr)/2;
	int f1=get(2*v,tl,m,l,r,ind);
	int f2=get(2*v+1,m+1,tr,l,r,ind);
	int f=min(f1,f2);
	return f;
}
void make(){
	stack<int> st;
	for(int k=n;k>=1;k--){
		while(!st.empty()&&a[k]>a[st.top()]){
			int f=a[st.top()];
			marc[st.top()]=k;
			st.pop();
		}
		st.push(k);
	}
}
int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	for(int i=0;i<=100000;i++){
		for(int j=0;j<=100;j++){
			dp[i][j]=1e9;
		}
	}
	cin>>n>>m;
	int mx=0;
	for(int k=1;k<=n;k++){
		cin>>a[k];
		mx=max(mx,a[k]);
		dp[k][1]=mx;
		update(1,1,n,k,mx,1);
	}
	make();
	for(int k=2;k<=m;k++){
		for(int i=k;i<=n;i++){
			int f=marc[i];
			f=max(f,k-1);
			int mn1=dp[i-1][k-1]+a[i];
			int mn=get(1,1,n,f,i-1,k-1);
			mn=mn+a[i];
			int f1=dp[f][k];
			mn=min(mn,f1);
			mn=min(mn,mn1);
			dp[i][k]=mn;
			update(1,1,n,i,mn,k);
		}
	}
	cout<<dp[n][m];
    return 0;
}

Compilation message

blocks.cpp: In function 'void make()':
blocks.cpp:48:8: warning: unused variable 'f' [-Wunused-variable]
   48 |    int f=a[st.top()];
      |        ^

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 39764 KB Output is correct
2 Correct 22 ms 39764 KB Output is correct
3 Correct 20 ms 39856 KB Output is correct
4 Correct 25 ms 39732 KB Output is correct
5 Correct 20 ms 39852 KB Output is correct
6 Correct 20 ms 39736 KB Output is correct
7 Correct 21 ms 39788 KB Output is correct
8 Correct 19 ms 39784 KB Output is correct
9 Correct 26 ms 39788 KB Output is correct
10 Correct 20 ms 39860 KB Output is correct
11 Correct 20 ms 39892 KB Output is correct
12 Correct 22 ms 39768 KB Output is correct
13 Correct 25 ms 39884 KB Output is correct
14 Correct 20 ms 39856 KB Output is correct
15 Correct 22 ms 39892 KB Output is correct
16 Correct 20 ms 39840 KB Output is correct
17 Correct 20 ms 39796 KB Output is correct
18 Correct 20 ms 39812 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 39792 KB Output is correct
2 Correct 20 ms 39824 KB Output is correct
3 Correct 20 ms 39796 KB Output is correct
4 Correct 20 ms 39764 KB Output is correct
5 Correct 20 ms 39800 KB Output is correct
6 Correct 20 ms 39852 KB Output is correct
7 Correct 23 ms 39828 KB Output is correct
8 Correct 20 ms 39764 KB Output is correct
9 Correct 20 ms 39804 KB Output is correct
10 Correct 20 ms 39764 KB Output is correct
11 Correct 20 ms 39852 KB Output is correct
12 Correct 20 ms 39780 KB Output is correct
13 Correct 22 ms 39864 KB Output is correct
14 Correct 23 ms 39880 KB Output is correct
15 Correct 20 ms 39824 KB Output is correct
16 Correct 22 ms 39956 KB Output is correct
17 Correct 21 ms 39884 KB Output is correct
18 Correct 28 ms 39908 KB Output is correct
19 Correct 23 ms 39892 KB Output is correct
20 Correct 20 ms 39920 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 39764 KB Output is correct
2 Correct 22 ms 39764 KB Output is correct
3 Correct 20 ms 39856 KB Output is correct
4 Correct 25 ms 39732 KB Output is correct
5 Correct 20 ms 39852 KB Output is correct
6 Correct 20 ms 39736 KB Output is correct
7 Correct 21 ms 39788 KB Output is correct
8 Correct 19 ms 39784 KB Output is correct
9 Correct 26 ms 39788 KB Output is correct
10 Correct 20 ms 39860 KB Output is correct
11 Correct 20 ms 39892 KB Output is correct
12 Correct 22 ms 39768 KB Output is correct
13 Correct 25 ms 39884 KB Output is correct
14 Correct 20 ms 39856 KB Output is correct
15 Correct 22 ms 39892 KB Output is correct
16 Correct 20 ms 39840 KB Output is correct
17 Correct 20 ms 39796 KB Output is correct
18 Correct 20 ms 39812 KB Output is correct
19 Correct 20 ms 39792 KB Output is correct
20 Correct 20 ms 39824 KB Output is correct
21 Correct 20 ms 39796 KB Output is correct
22 Correct 20 ms 39764 KB Output is correct
23 Correct 20 ms 39800 KB Output is correct
24 Correct 20 ms 39852 KB Output is correct
25 Correct 23 ms 39828 KB Output is correct
26 Correct 20 ms 39764 KB Output is correct
27 Correct 20 ms 39804 KB Output is correct
28 Correct 20 ms 39764 KB Output is correct
29 Correct 20 ms 39852 KB Output is correct
30 Correct 20 ms 39780 KB Output is correct
31 Correct 22 ms 39864 KB Output is correct
32 Correct 23 ms 39880 KB Output is correct
33 Correct 20 ms 39824 KB Output is correct
34 Correct 22 ms 39956 KB Output is correct
35 Correct 21 ms 39884 KB Output is correct
36 Correct 28 ms 39908 KB Output is correct
37 Correct 23 ms 39892 KB Output is correct
38 Correct 20 ms 39920 KB Output is correct
39 Correct 24 ms 40208 KB Output is correct
40 Correct 20 ms 39836 KB Output is correct
41 Correct 20 ms 39764 KB Output is correct
42 Correct 23 ms 39808 KB Output is correct
43 Correct 20 ms 39764 KB Output is correct
44 Correct 20 ms 39892 KB Output is correct
45 Correct 20 ms 39764 KB Output is correct
46 Correct 26 ms 39812 KB Output is correct
47 Correct 26 ms 39848 KB Output is correct
48 Correct 20 ms 39816 KB Output is correct
49 Correct 20 ms 39764 KB Output is correct
50 Correct 20 ms 39888 KB Output is correct
51 Correct 20 ms 40016 KB Output is correct
52 Correct 21 ms 40028 KB Output is correct
53 Correct 22 ms 40556 KB Output is correct
54 Correct 21 ms 40620 KB Output is correct
55 Correct 22 ms 40280 KB Output is correct
56 Correct 20 ms 40612 KB Output is correct
57 Correct 24 ms 40668 KB Output is correct

Subtask #4
0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 39764 KB Output is correct
2 Correct 22 ms 39764 KB Output is correct
3 Correct 20 ms 39856 KB Output is correct
4 Correct 25 ms 39732 KB Output is correct
5 Correct 20 ms 39852 KB Output is correct
6 Correct 20 ms 39736 KB Output is correct
7 Correct 21 ms 39788 KB Output is correct
8 Correct 19 ms 39784 KB Output is correct
9 Correct 26 ms 39788 KB Output is correct
10 Correct 20 ms 39860 KB Output is correct
11 Correct 20 ms 39892 KB Output is correct
12 Correct 22 ms 39768 KB Output is correct
13 Correct 25 ms 39884 KB Output is correct
14 Correct 20 ms 39856 KB Output is correct
15 Correct 22 ms 39892 KB Output is correct
16 Correct 20 ms 39840 KB Output is correct
17 Correct 20 ms 39796 KB Output is correct
18 Correct 20 ms 39812 KB Output is correct
19 Correct 20 ms 39792 KB Output is correct
20 Correct 20 ms 39824 KB Output is correct
21 Correct 20 ms 39796 KB Output is correct
22 Correct 20 ms 39764 KB Output is correct
23 Correct 20 ms 39800 KB Output is correct
24 Correct 20 ms 39852 KB Output is correct
25 Correct 23 ms 39828 KB Output is correct
26 Correct 20 ms 39764 KB Output is correct
27 Correct 20 ms 39804 KB Output is correct
28 Correct 20 ms 39764 KB Output is correct
29 Correct 20 ms 39852 KB Output is correct
30 Correct 20 ms 39780 KB Output is correct
31 Correct 22 ms 39864 KB Output is correct
32 Correct 23 ms 39880 KB Output is correct
33 Correct 20 ms 39824 KB Output is correct
34 Correct 22 ms 39956 KB Output is correct
35 Correct 21 ms 39884 KB Output is correct
36 Correct 28 ms 39908 KB Output is correct
37 Correct 23 ms 39892 KB Output is correct
38 Correct 20 ms 39920 KB Output is correct
39 Correct 24 ms 40208 KB Output is correct
40 Correct 20 ms 39836 KB Output is correct
41 Correct 20 ms 39764 KB Output is correct
42 Correct 23 ms 39808 KB Output is correct
43 Correct 20 ms 39764 KB Output is correct
44 Correct 20 ms 39892 KB Output is correct
45 Correct 20 ms 39764 KB Output is correct
46 Correct 26 ms 39812 KB Output is correct
47 Correct 26 ms 39848 KB Output is correct
48 Correct 20 ms 39816 KB Output is correct
49 Correct 20 ms 39764 KB Output is correct
50 Correct 20 ms 39888 KB Output is correct
51 Correct 20 ms 40016 KB Output is correct
52 Correct 21 ms 40028 KB Output is correct
53 Correct 22 ms 40556 KB Output is correct
54 Correct 21 ms 40620 KB Output is correct
55 Correct 22 ms 40280 KB Output is correct
56 Correct 20 ms 40612 KB Output is correct
57 Correct 24 ms 40668 KB Output is correct
58 Correct 84 ms 43232 KB Output is correct
59 Correct 36 ms 40708 KB Output is correct
60 Correct 108 ms 43848 KB Output is correct
61 Execution timed out 1050 ms 79908 KB Time limit exceeded
62 Halted 0 ms 0 KB -