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답안 #547271

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
547271 2022-04-10T07:30:15 Z pure_mem Safety (NOI18_safety) C++14
100 / 100
 765 ms 23884 KB 
#pragma GCC optimize("Ofast")

#include <bits/stdc++.h>

#define ll long long
#define ld long double
#define X first
#define Y second
#define MP make_pair

using namespace std;

const int N = 2e5 + 2;
const int INF = 1e9;

int n;
ll h;
ll res, lhs_d, rhs_d;
multiset< ll > lhs_s, rhs_s;

int main () {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);

	cin >> n >> h;
	
	for(int i = 1;i <= n;i++) {
		ll x;
		cin >> x;
		if(i == 1) {
			lhs_s.insert(x);
			rhs_s.insert(x);
			lhs_d -= h, rhs_d += h;
		}	
		else {
			ll lv = *lhs_s.rbegin() + lhs_d;
		    res += abs(x - lv);
			
			if(*rhs_s.begin() + rhs_d > x) {
				lhs_s.insert(x - lhs_d);
				lhs_s.insert(x - lhs_d);
				
				ll hi = *lhs_s.rbegin() + lhs_d;
				lhs_s.erase(--lhs_s.end());	
				rhs_s.insert(hi - rhs_d);
			}
			else {
				rhs_s.insert(x - rhs_d);
				rhs_s.insert(x - rhs_d);

				ll lo = *rhs_s.begin() + rhs_d;	
				rhs_s.erase(rhs_s.begin());
				lhs_s.insert(lo - lhs_d);
			}

			
			ll lv_n = *lhs_s.rbegin() + lhs_d, rv_n = *rhs_s.begin() + rhs_d;
			if(rv_n < lv) {
				res -= lv - rv_n;
			}
			else if(lv < lv_n){
				res -= lv_n - lv;
			}

			lhs_d -= h, rhs_d += h;
		}
		cerr << res << "\n";
	}

	cout << res;
}

Subtask #1
3.0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 324 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 316 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 316 KB Output is correct

Subtask #2
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 324 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 320 KB Output is correct
5 Correct 1 ms 212 KB Output is correct

Subtask #3
9.0 / 9.0

# 결과 실행 시간 메모리 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 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct

Subtask #4
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 486 ms 15744 KB Output is correct
2 Correct 716 ms 22356 KB Output is correct
3 Correct 765 ms 23444 KB Output is correct

Subtask #5
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 324 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 316 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 316 KB Output is correct
8 Correct 1 ms 324 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 320 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 2 ms 340 KB Output is correct
14 Correct 3 ms 340 KB Output is correct
15 Correct 2 ms 340 KB Output is correct
16 Correct 2 ms 340 KB Output is correct
17 Correct 2 ms 340 KB Output is correct
18 Correct 2 ms 340 KB Output is correct
19 Correct 2 ms 340 KB Output is correct

Subtask #6
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 324 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 316 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 316 KB Output is correct
8 Correct 1 ms 324 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 320 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 2 ms 340 KB Output is correct
14 Correct 3 ms 340 KB Output is correct
15 Correct 2 ms 340 KB Output is correct
16 Correct 2 ms 340 KB Output is correct
17 Correct 2 ms 340 KB Output is correct
18 Correct 2 ms 340 KB Output is correct
19 Correct 2 ms 340 KB Output is correct
20 Correct 2 ms 340 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 2 ms 340 KB Output is correct
23 Correct 2 ms 340 KB Output is correct
24 Correct 2 ms 340 KB Output is correct
25 Correct 2 ms 340 KB Output is correct
26 Correct 2 ms 340 KB Output is correct
27 Correct 2 ms 340 KB Output is correct

Subtask #7
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 324 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 316 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 316 KB Output is correct
8 Correct 1 ms 324 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 320 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 2 ms 340 KB Output is correct
14 Correct 3 ms 340 KB Output is correct
15 Correct 2 ms 340 KB Output is correct
16 Correct 2 ms 340 KB Output is correct
17 Correct 2 ms 340 KB Output is correct
18 Correct 2 ms 340 KB Output is correct
19 Correct 2 ms 340 KB Output is correct
20 Correct 2 ms 340 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 2 ms 340 KB Output is correct
23 Correct 2 ms 340 KB Output is correct
24 Correct 2 ms 340 KB Output is correct
25 Correct 2 ms 340 KB Output is correct
26 Correct 2 ms 340 KB Output is correct
27 Correct 2 ms 340 KB Output is correct
28 Correct 18 ms 788 KB Output is correct
29 Correct 18 ms 660 KB Output is correct
30 Correct 18 ms 724 KB Output is correct
31 Correct 12 ms 664 KB Output is correct
32 Correct 13 ms 724 KB Output is correct
33 Correct 16 ms 852 KB Output is correct
34 Correct 15 ms 776 KB Output is correct

Subtask #8
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 324 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 316 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 316 KB Output is correct
8 Correct 1 ms 324 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 320 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 2 ms 340 KB Output is correct
20 Correct 3 ms 340 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 2 ms 340 KB Output is correct
23 Correct 2 ms 340 KB Output is correct
24 Correct 2 ms 340 KB Output is correct
25 Correct 2 ms 340 KB Output is correct
26 Correct 2 ms 340 KB Output is correct
27 Correct 2 ms 340 KB Output is correct
28 Correct 2 ms 340 KB Output is correct
29 Correct 2 ms 340 KB Output is correct
30 Correct 2 ms 340 KB Output is correct
31 Correct 2 ms 340 KB Output is correct
32 Correct 2 ms 340 KB Output is correct
33 Correct 2 ms 340 KB Output is correct
34 Correct 18 ms 788 KB Output is correct
35 Correct 18 ms 660 KB Output is correct
36 Correct 18 ms 724 KB Output is correct
37 Correct 12 ms 664 KB Output is correct
38 Correct 13 ms 724 KB Output is correct
39 Correct 16 ms 852 KB Output is correct
40 Correct 15 ms 776 KB Output is correct
41 Correct 17 ms 852 KB Output is correct
42 Correct 13 ms 676 KB Output is correct
43 Correct 15 ms 852 KB Output is correct
44 Correct 18 ms 852 KB Output is correct
45 Correct 20 ms 724 KB Output is correct
46 Correct 14 ms 748 KB Output is correct

Subtask #9
29.0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 324 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 316 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 316 KB Output is correct
8 Correct 1 ms 324 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 320 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 486 ms 15744 KB Output is correct
20 Correct 716 ms 22356 KB Output is correct
21 Correct 765 ms 23444 KB Output is correct
22 Correct 2 ms 340 KB Output is correct
23 Correct 3 ms 340 KB Output is correct
24 Correct 2 ms 340 KB Output is correct
25 Correct 2 ms 340 KB Output is correct
26 Correct 2 ms 340 KB Output is correct
27 Correct 2 ms 340 KB Output is correct
28 Correct 2 ms 340 KB Output is correct
29 Correct 2 ms 340 KB Output is correct
30 Correct 2 ms 340 KB Output is correct
31 Correct 2 ms 340 KB Output is correct
32 Correct 2 ms 340 KB Output is correct
33 Correct 2 ms 340 KB Output is correct
34 Correct 2 ms 340 KB Output is correct
35 Correct 2 ms 340 KB Output is correct
36 Correct 2 ms 340 KB Output is correct
37 Correct 18 ms 788 KB Output is correct
38 Correct 18 ms 660 KB Output is correct
39 Correct 18 ms 724 KB Output is correct
40 Correct 12 ms 664 KB Output is correct
41 Correct 13 ms 724 KB Output is correct
42 Correct 16 ms 852 KB Output is correct
43 Correct 15 ms 776 KB Output is correct
44 Correct 17 ms 852 KB Output is correct
45 Correct 13 ms 676 KB Output is correct
46 Correct 15 ms 852 KB Output is correct
47 Correct 18 ms 852 KB Output is correct
48 Correct 20 ms 724 KB Output is correct
49 Correct 14 ms 748 KB Output is correct
50 Correct 760 ms 23884 KB Output is correct
51 Correct 613 ms 20040 KB Output is correct
52 Correct 581 ms 18312 KB Output is correct
53 Correct 588 ms 19920 KB Output is correct
54 Correct 688 ms 22836 KB Output is correct
55 Correct 583 ms 18336 KB Output is correct
56 Correct 614 ms 19060 KB Output is correct
57 Correct 558 ms 17560 KB Output is correct
58 Correct 476 ms 16544 KB Output is correct
59 Correct 621 ms 21584 KB Output is correct