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Submission #830706

# Submission time Handle Problem Language Result Execution time Memory
830706 2023-08-19T09:41:03 Z vjudge1 Safety (NOI18_safety) C++17
35 / 100
 508 ms 262144 KB 
#include<bits/stdc++.h>
#define ll long long
#define fi first
#define se second
using namespace std;
const int nmax = 200002;
ll S[nmax];
ll dp[5005][5005];
int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    ll n,h;
    deque<pair<ll,ll>>dq;
    cin >> n >> h;
	for(int i=1;i<=n;i++)cin >> S[i];
	for(int i=0;i<=5000;i++)dp[1][i] = abs(S[1] - i);
	for(int i=2;i<=n;i++){
		dq.clear();
		for(int j=0;j<=min(5000ll, h);j++){
			while(!dq.empty() && dq.back().fi > dp[i-1][j])dq.pop_back();
			dq.push_back({dp[i-1][j], j});
		}
		for(int j=0;j<=5000;j++){
			if(!dq.empty() && dq.front().se < j - h)dq.pop_front();
			pair<ll,ll> tmp = dq.front();
			dp[i][j] = tmp.fi + abs(S[i] - j);
			if(j + h + 1 <= 5000){
				while(!dq.empty() && dq.back().fi > dp[i-1][j + h + 1])dq.pop_back();
				dq.push_back({dp[i-1][j+h+1], j+h+1});
			}
		}
	}
	ll ans = 1e18;
	for(int i=0;i<=5000;i++)ans = min(ans, dp[n][i]);
	cout << ans;
    return 0;
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 596 KB Output is correct
2 Correct 1 ms 724 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 1 ms 724 KB Output is correct
5 Correct 1 ms 724 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 1 ms 724 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 852 KB Output is correct
2 Correct 1 ms 852 KB Output is correct
3 Correct 1 ms 852 KB Output is correct
4 Correct 1 ms 820 KB Output is correct
5 Correct 1 ms 852 KB Output is correct

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 596 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Runtime error 508 ms 262144 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #5
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 596 KB Output is correct
2 Correct 1 ms 724 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 1 ms 724 KB Output is correct
5 Correct 1 ms 724 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 1 ms 724 KB Output is correct
8 Correct 1 ms 852 KB Output is correct
9 Correct 1 ms 852 KB Output is correct
10 Correct 1 ms 852 KB Output is correct
11 Correct 1 ms 820 KB Output is correct
12 Correct 1 ms 852 KB Output is correct
13 Correct 31 ms 19820 KB Output is correct
14 Correct 32 ms 19204 KB Output is correct
15 Correct 34 ms 19348 KB Output is correct
16 Correct 31 ms 19880 KB Output is correct
17 Correct 28 ms 17532 KB Output is correct
18 Correct 23 ms 14668 KB Output is correct
19 Correct 29 ms 19020 KB Output is correct

Subtask #6
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 596 KB Output is correct
2 Correct 1 ms 724 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 1 ms 724 KB Output is correct
5 Correct 1 ms 724 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 1 ms 724 KB Output is correct
8 Correct 1 ms 852 KB Output is correct
9 Correct 1 ms 852 KB Output is correct
10 Correct 1 ms 852 KB Output is correct
11 Correct 1 ms 820 KB Output is correct
12 Correct 1 ms 852 KB Output is correct
13 Correct 31 ms 19820 KB Output is correct
14 Correct 32 ms 19204 KB Output is correct
15 Correct 34 ms 19348 KB Output is correct
16 Correct 31 ms 19880 KB Output is correct
17 Correct 28 ms 17532 KB Output is correct
18 Correct 23 ms 14668 KB Output is correct
19 Correct 29 ms 19020 KB Output is correct
20 Correct 32 ms 18556 KB Output is correct
21 Correct 37 ms 19916 KB Output is correct
22 Correct 28 ms 16588 KB Output is correct
23 Correct 27 ms 15316 KB Output is correct
24 Correct 31 ms 18612 KB Output is correct
25 Correct 26 ms 15688 KB Output is correct
26 Correct 33 ms 19884 KB Output is correct
27 Correct 32 ms 18428 KB Output is correct

Subtask #7
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 596 KB Output is correct
2 Correct 1 ms 724 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 1 ms 724 KB Output is correct
5 Correct 1 ms 724 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 1 ms 724 KB Output is correct
8 Correct 1 ms 852 KB Output is correct
9 Correct 1 ms 852 KB Output is correct
10 Correct 1 ms 852 KB Output is correct
11 Correct 1 ms 820 KB Output is correct
12 Correct 1 ms 852 KB Output is correct
13 Correct 31 ms 19820 KB Output is correct
14 Correct 32 ms 19204 KB Output is correct
15 Correct 34 ms 19348 KB Output is correct
16 Correct 31 ms 19880 KB Output is correct
17 Correct 28 ms 17532 KB Output is correct
18 Correct 23 ms 14668 KB Output is correct
19 Correct 29 ms 19020 KB Output is correct
20 Correct 32 ms 18556 KB Output is correct
21 Correct 37 ms 19916 KB Output is correct
22 Correct 28 ms 16588 KB Output is correct
23 Correct 27 ms 15316 KB Output is correct
24 Correct 31 ms 18612 KB Output is correct
25 Correct 26 ms 15688 KB Output is correct
26 Correct 33 ms 19884 KB Output is correct
27 Correct 32 ms 18428 KB Output is correct
28 Correct 310 ms 196236 KB Output is correct
29 Correct 260 ms 165548 KB Output is correct
30 Correct 322 ms 193028 KB Output is correct
31 Correct 264 ms 159904 KB Output is correct
32 Correct 280 ms 161456 KB Output is correct
33 Correct 332 ms 196224 KB Output is correct
34 Correct 324 ms 192160 KB Output is correct

Subtask #8
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 596 KB Output is correct
2 Correct 1 ms 724 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 1 ms 724 KB Output is correct
5 Correct 1 ms 724 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 1 ms 724 KB Output is correct
8 Correct 1 ms 852 KB Output is correct
9 Correct 1 ms 852 KB Output is correct
10 Correct 1 ms 852 KB Output is correct
11 Correct 1 ms 820 KB Output is correct
12 Correct 1 ms 852 KB Output is correct
13 Incorrect 1 ms 596 KB Output isn't correct
14 Halted 0 ms 0 KB -

Subtask #9
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 596 KB Output is correct
2 Correct 1 ms 724 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 1 ms 724 KB Output is correct
5 Correct 1 ms 724 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 1 ms 724 KB Output is correct
8 Correct 1 ms 852 KB Output is correct
9 Correct 1 ms 852 KB Output is correct
10 Correct 1 ms 852 KB Output is correct
11 Correct 1 ms 820 KB Output is correct
12 Correct 1 ms 852 KB Output is correct
13 Incorrect 1 ms 596 KB Output isn't correct
14 Halted 0 ms 0 KB -