답안 #425458

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
425458	2021-06-13T04:03:38 Z	errorgorn	Safety (NOI18_safety)	C++17	100 / 100	41 ms	5452 KB

safety

#include <cstdio>
#include <queue>
using namespace std;
int n;
long long h;
long long t;
priority_queue<long long> lower;
priority_queue<long long,vector<long long>,greater<long long> > upper;
inline void read(int& x) {
    x = 0;
    char ch = getchar_unlocked();
    while (ch&16){ //this will break when ‘\n’ or ‘ ‘ is encountered
		x = (x << 3) + (x << 1) + (ch&15);
		ch = getchar_unlocked();
	}
}
inline void read(long long& x) {
    x = 0;
    char ch = getchar_unlocked();
    while (ch&16){ //this will break when ‘\n’ or ‘ ‘ is encountered
		x = (x << 3) + (x << 1) + (ch&15);
		ch = getchar_unlocked();
	}
}
int main(){
    read(n),read(h);
    read(t);
    lower.push(t);
    upper.push(t);
    long long ans=0;
    long long offset;
    for (int x=1;x<n;x++){
        offset=x*h;
        read(t);
        if (!lower.empty() && t<lower.top()-offset){ ///lower part
            ans+=(lower.top()-offset)-t;
            lower.push(t+offset);
            lower.push(t+offset);
            upper.push(lower.top()-offset*2);
            lower.pop();
        }
        else if (!upper.empty() && upper.top()+offset<t){ ///upper part
            ans+=t-(upper.top()+offset);
            upper.push(t-offset);
            upper.push(t-offset);
            lower.push(upper.top()+offset*2);
            upper.pop();
        }
        else{
            lower.push(t+offset);
            upper.push(t-offset);
        }
        //printf("%lld %lld %lld\n",ans,lower.top()-offset,upper.top()+offset);
    }
    printf("%lld\n",ans);
}

Subtask #1
3.0 / 3.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	280 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	280 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	280 KB	Output is correct

Subtask #2
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct

Subtask #3
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct

Subtask #4
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	26 ms	4668 KB	Output is correct
2	Correct	38 ms	5080 KB	Output is correct
3	Correct	41 ms	5292 KB	Output is correct

Subtask #5
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	280 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	280 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	280 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	280 KB	Output is correct

Subtask #6
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	280 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	280 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	280 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	280 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	1 ms	204 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	1 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	1 ms	204 KB	Output is correct

Subtask #7
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	280 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	280 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	280 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	280 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	1 ms	204 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	1 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	1 ms	204 KB	Output is correct
28	Correct	1 ms	332 KB	Output is correct
29	Correct	1 ms	460 KB	Output is correct
30	Correct	2 ms	460 KB	Output is correct
31	Correct	1 ms	332 KB	Output is correct
32	Correct	1 ms	332 KB	Output is correct
33	Correct	1 ms	460 KB	Output is correct
34	Correct	1 ms	460 KB	Output is correct

Subtask #8
22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	280 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	280 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	280 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	0 ms	204 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	0 ms	204 KB	Output is correct
24	Correct	1 ms	204 KB	Output is correct
25	Correct	1 ms	280 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	1 ms	204 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	1 ms	204 KB	Output is correct
30	Correct	1 ms	204 KB	Output is correct
31	Correct	1 ms	204 KB	Output is correct
32	Correct	1 ms	204 KB	Output is correct
33	Correct	1 ms	204 KB	Output is correct
34	Correct	1 ms	332 KB	Output is correct
35	Correct	1 ms	460 KB	Output is correct
36	Correct	2 ms	460 KB	Output is correct
37	Correct	1 ms	332 KB	Output is correct
38	Correct	1 ms	332 KB	Output is correct
39	Correct	1 ms	460 KB	Output is correct
40	Correct	1 ms	460 KB	Output is correct
41	Correct	2 ms	460 KB	Output is correct
42	Correct	1 ms	332 KB	Output is correct
43	Correct	1 ms	460 KB	Output is correct
44	Correct	1 ms	460 KB	Output is correct
45	Correct	1 ms	460 KB	Output is correct
46	Correct	2 ms	460 KB	Output is correct

Subtask #9
29.0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	280 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	280 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	280 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	26 ms	4668 KB	Output is correct
20	Correct	38 ms	5080 KB	Output is correct
21	Correct	41 ms	5292 KB	Output is correct
22	Correct	0 ms	204 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	0 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	0 ms	204 KB	Output is correct
27	Correct	1 ms	204 KB	Output is correct
28	Correct	1 ms	280 KB	Output is correct
29	Correct	1 ms	204 KB	Output is correct
30	Correct	1 ms	204 KB	Output is correct
31	Correct	1 ms	204 KB	Output is correct
32	Correct	1 ms	204 KB	Output is correct
33	Correct	1 ms	204 KB	Output is correct
34	Correct	1 ms	204 KB	Output is correct
35	Correct	1 ms	204 KB	Output is correct
36	Correct	1 ms	204 KB	Output is correct
37	Correct	1 ms	332 KB	Output is correct
38	Correct	1 ms	460 KB	Output is correct
39	Correct	2 ms	460 KB	Output is correct
40	Correct	1 ms	332 KB	Output is correct
41	Correct	1 ms	332 KB	Output is correct
42	Correct	1 ms	460 KB	Output is correct
43	Correct	1 ms	460 KB	Output is correct
44	Correct	2 ms	460 KB	Output is correct
45	Correct	1 ms	332 KB	Output is correct
46	Correct	1 ms	460 KB	Output is correct
47	Correct	1 ms	460 KB	Output is correct
48	Correct	1 ms	460 KB	Output is correct
49	Correct	2 ms	460 KB	Output is correct
50	Correct	39 ms	5452 KB	Output is correct
51	Correct	34 ms	4920 KB	Output is correct
52	Correct	20 ms	5020 KB	Output is correct
53	Correct	27 ms	5116 KB	Output is correct
54	Correct	37 ms	5124 KB	Output is correct
55	Correct	21 ms	5012 KB	Output is correct
56	Correct	23 ms	5024 KB	Output is correct
57	Correct	21 ms	5040 KB	Output is correct
58	Correct	21 ms	4496 KB	Output is correct
59	Correct	27 ms	4992 KB	Output is correct

답안 #425458

Compilation message