Submission #738911

# Submission time Handle Problem Language Result Execution time Memory
738911 2023-05-09T15:48:16 Z vjudge1 Safety (NOI18_safety) C++17
100 / 100
103 ms 7008 KB
#include <bits/stdc++.h>
#define ll long long
#define fi first
#define se second
#define fastio ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
using namespace std;
const ll MOD=998244353;
ll N,M,a[200005];
struct SlopeTrick{
	ll minimum=0,negStart=0,posStart=0;
	priority_queue <ll> negSlope;
	priority_queue <ll,vector<ll>,greater<ll> > posSlope;
	void PrefixMin(){
		posStart=0;
		while(!posSlope.empty()){
			posSlope.pop();
		}
	}
	void SuffixMin(){
		negStart=0;
		while(!negSlope.empty()){
			negSlope.pop();
		}
	}
	void addPos(ll x){
		ll y;
		if(negSlope.empty()){
			y=-1e18;
		}
		else{
			y=negSlope.top()+negStart;
		}
		if(x>=y||negSlope.empty()){
			posSlope.push(x-posStart);
		}
		else{
			minimum+=y-x;
			negSlope.push(x-negStart);
			negSlope.pop();
			posSlope.push(y-posStart);
		}
	}

	void addNeg(ll x){
		ll y;
		if(posSlope.empty()){
			y=-1e18;
		}
		else{
			y=posSlope.top()+posStart;
		}
		if(x<=y||posSlope.empty()){
			negSlope.push(x-negStart);
		}
		else{
			minimum+=x-y;
			posSlope.push(x-posStart);
			posSlope.pop();
			negSlope.push(y-negStart);
		}
	}

	void RangeMin(ll l, ll r){
		if(!negSlope.empty()){
			negStart-=r;
		}
		if(!posSlope.empty()){
			posStart+=l;
		}
	}
};
int main(){
	cin>>N>>M;
	for(int i=1;i<=N;i++){
		cin>>a[i];
	}
	SlopeTrick dp=SlopeTrick();
	for(int i=1;i<=N;i++){
		dp.RangeMin(M,M);
		dp.addPos(a[i]);
		dp.addNeg(a[i]);
	}
	cout<<dp.minimum<<endl;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 260 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 304 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 312 KB Output is correct
3 Correct 0 ms 308 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 74 ms 5812 KB Output is correct
2 Correct 102 ms 6700 KB Output is correct
3 Correct 95 ms 6892 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 260 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 304 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 312 KB Output is correct
10 Correct 0 ms 308 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 312 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 260 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 304 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 312 KB Output is correct
10 Correct 0 ms 308 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 312 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 308 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 308 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 260 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 304 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 312 KB Output is correct
10 Correct 0 ms 308 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 312 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 308 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 308 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 3 ms 460 KB Output is correct
29 Correct 3 ms 448 KB Output is correct
30 Correct 2 ms 452 KB Output is correct
31 Correct 2 ms 340 KB Output is correct
32 Correct 2 ms 468 KB Output is correct
33 Correct 3 ms 484 KB Output is correct
34 Correct 2 ms 468 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 260 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 304 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 312 KB Output is correct
10 Correct 0 ms 308 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 304 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 312 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 308 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 308 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 3 ms 460 KB Output is correct
35 Correct 3 ms 448 KB Output is correct
36 Correct 2 ms 452 KB Output is correct
37 Correct 2 ms 340 KB Output is correct
38 Correct 2 ms 468 KB Output is correct
39 Correct 3 ms 484 KB Output is correct
40 Correct 2 ms 468 KB Output is correct
41 Correct 3 ms 456 KB Output is correct
42 Correct 3 ms 408 KB Output is correct
43 Correct 3 ms 468 KB Output is correct
44 Correct 3 ms 488 KB Output is correct
45 Correct 2 ms 468 KB Output is correct
46 Correct 2 ms 468 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 260 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 304 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 312 KB Output is correct
10 Correct 0 ms 308 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 304 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 74 ms 5812 KB Output is correct
20 Correct 102 ms 6700 KB Output is correct
21 Correct 95 ms 6892 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 312 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 308 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 308 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 3 ms 460 KB Output is correct
38 Correct 3 ms 448 KB Output is correct
39 Correct 2 ms 452 KB Output is correct
40 Correct 2 ms 340 KB Output is correct
41 Correct 2 ms 468 KB Output is correct
42 Correct 3 ms 484 KB Output is correct
43 Correct 2 ms 468 KB Output is correct
44 Correct 3 ms 456 KB Output is correct
45 Correct 3 ms 408 KB Output is correct
46 Correct 3 ms 468 KB Output is correct
47 Correct 3 ms 488 KB Output is correct
48 Correct 2 ms 468 KB Output is correct
49 Correct 2 ms 468 KB Output is correct
50 Correct 103 ms 7008 KB Output is correct
51 Correct 82 ms 6452 KB Output is correct
52 Correct 73 ms 6328 KB Output is correct
53 Correct 88 ms 6832 KB Output is correct
54 Correct 98 ms 6780 KB Output is correct
55 Correct 72 ms 6456 KB Output is correct
56 Correct 100 ms 6700 KB Output is correct
57 Correct 72 ms 6440 KB Output is correct
58 Correct 53 ms 5524 KB Output is correct
59 Correct 87 ms 6740 KB Output is correct