oj.uz

Submission #285582

# Submission time Handle Problem Language Result Execution time Memory
285582 2020-08-29T09:32:03 Z Ronin13 Discharging (NOI20_discharging) C++14
36 / 100
 16 ms 14080 KB 
#include<bits/stdc++.h>
#define ll long long
#define f first
#define s second
#define pii pair<int,int>
#define pll pair<ll,ll>
#define ull unsigned ll
#define pb push_back
#define mp make_pair
 
using namespace std;
int n;
int m;
ll a[1501];
ll mx[1501][1501];
ll dp[1501];
bool check1(){
	for(int i=2;i<=n;i++)if(a[i]<a[i-1])return false;
	return true;
}
int main(){
	cin>>n;
	for(int i=1;i<=n;i++)cin>>a[i];
	if(check1()){
		for(int i=1;i<=n;i++){
    	dp[i]=LLONG_MAX;
    	for(int j=1;j<=i;j++){
    		dp[i]=min(dp[i],dp[j-1]+a[i]*(n-j+1));
		}
		
	}
	cout<<dp[n];
	return 0;
	}
	
	for(int i=1;i<=n;i++){
		ll mxx=-1;
		for(int j=i;j<=n;j++){
			mxx=max(a[j],mxx);
			mx[i][j]=mxx;
		
		}

	}
    for(int i=1;i<=n;i++){
    	dp[i]=LLONG_MAX;
    	for(int j=1;j<=i;j++){
    		dp[i]=min(dp[i],dp[j-1]+mx[j][i]*(n-j+1));
		}
	}
	cout<<dp[n];
	return 0;
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 0 ms 384 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 0 ms 384 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 288 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 3 ms 384 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 3 ms 384 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 3 ms 384 KB Output is correct
15 Correct 3 ms 384 KB Output is correct

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 288 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 3 ms 384 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 3 ms 384 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 3 ms 384 KB Output is correct
15 Correct 3 ms 384 KB Output is correct
16 Incorrect 1 ms 384 KB Output isn't correct
17 Halted 0 ms 0 KB -

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 0 ms 384 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 3 ms 288 KB Output is correct
16 Correct 3 ms 384 KB Output is correct
17 Correct 3 ms 384 KB Output is correct
18 Correct 2 ms 384 KB Output is correct
19 Correct 3 ms 384 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 3 ms 384 KB Output is correct
22 Correct 3 ms 384 KB Output is correct
23 Correct 3 ms 384 KB Output is correct
24 Correct 3 ms 384 KB Output is correct
25 Correct 3 ms 384 KB Output is correct
26 Correct 3 ms 384 KB Output is correct
27 Correct 3 ms 384 KB Output is correct
28 Correct 3 ms 384 KB Output is correct
29 Correct 3 ms 384 KB Output is correct
30 Correct 15 ms 13472 KB Output is correct
31 Correct 15 ms 13952 KB Output is correct
32 Correct 16 ms 13056 KB Output is correct
33 Correct 14 ms 13696 KB Output is correct
34 Correct 14 ms 13184 KB Output is correct
35 Correct 14 ms 13952 KB Output is correct
36 Correct 15 ms 13824 KB Output is correct
37 Correct 14 ms 13824 KB Output is correct
38 Correct 14 ms 13824 KB Output is correct
39 Correct 14 ms 13952 KB Output is correct
40 Correct 13 ms 13056 KB Output is correct
41 Correct 14 ms 13696 KB Output is correct
42 Correct 15 ms 14080 KB Output is correct
43 Correct 3 ms 384 KB Output is correct
44 Correct 13 ms 13312 KB Output is correct
45 Correct 13 ms 13440 KB Output is correct
46 Correct 13 ms 13184 KB Output is correct
47 Correct 15 ms 14080 KB Output is correct
48 Correct 13 ms 13184 KB Output is correct
49 Correct 13 ms 13184 KB Output is correct
50 Correct 13 ms 13056 KB Output is correct

Subtask #6
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 0 ms 384 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 3 ms 288 KB Output is correct
16 Correct 3 ms 384 KB Output is correct
17 Correct 3 ms 384 KB Output is correct
18 Correct 2 ms 384 KB Output is correct
19 Correct 3 ms 384 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 3 ms 384 KB Output is correct
22 Correct 3 ms 384 KB Output is correct
23 Correct 3 ms 384 KB Output is correct
24 Correct 3 ms 384 KB Output is correct
25 Correct 3 ms 384 KB Output is correct
26 Correct 3 ms 384 KB Output is correct
27 Correct 3 ms 384 KB Output is correct
28 Correct 3 ms 384 KB Output is correct
29 Correct 3 ms 384 KB Output is correct
30 Incorrect 1 ms 384 KB Output isn't correct
31 Halted 0 ms 0 KB -