Submission #906378

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
906378	2024-01-14T07:16:40 Z	nightfal	Ancient Books (IOI17_books)	C++14	50 / 100	95 ms	15068 KB

books

#include <cstdio>
#include <vector>
#include <cassert>
#include <cstdlib>

using namespace std;

long long minimum_walk(std::vector<int> p, int s) {
    int n = p.size(), last = 0;
    long long total = 0;

    for(int i=0; i<n; i++) {
        if (i==p[i]) continue;
        if(i>last) total += (i-last)*2;
        total += abs(p[i]-i);
        // printf("i=%d, p[%d]=%d, abs(p[%d]-%d)=%d, total=%d\n",i,i,p[i],i,i,abs(p[i]-i),total);

        last = max(last,i);
        int idx = p[i]; p[i] = i;
        // printf("idx=%d, p[%d]=%d\n",idx,i,p[i]);
        while(idx!=i) {
            last = max(last,idx);
            total += abs(p[idx]-idx); 
        // printf("idx=%d, p[%d]=%d, abs(p[%d]-%d)=%d, total=%d\n",idx,idx,p[idx],idx,idx,abs(p[idx]-idx),total);
            int prevIdx = idx; 
            idx = p[idx];
            p[prevIdx] = prevIdx;
        // printf("prevIdx=%d, p[%d]=%d, idx=%d\n", prevIdx, prevIdx, p[prevIdx], idx);
        }
    }
	return total;
}

Subtask #1

12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	344 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct

Subtask #2

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	344 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	1 ms	344 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	1 ms	604 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	424 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct

Subtask #3

28.0 / 28.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	344 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	1 ms	344 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	1 ms	604 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	424 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	93 ms	14932 KB	Output is correct
31	Correct	90 ms	14816 KB	Output is correct
32	Correct	74 ms	14932 KB	Output is correct
33	Correct	79 ms	14932 KB	Output is correct
34	Correct	79 ms	14932 KB	Output is correct
35	Correct	81 ms	14932 KB	Output is correct
36	Correct	82 ms	14944 KB	Output is correct
37	Correct	79 ms	14944 KB	Output is correct
38	Correct	79 ms	14932 KB	Output is correct
39	Correct	80 ms	14932 KB	Output is correct
40	Correct	79 ms	15068 KB	Output is correct
41	Correct	95 ms	14824 KB	Output is correct
42	Correct	86 ms	14932 KB	Output is correct
43	Correct	78 ms	14932 KB	Output is correct

Subtask #4

0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	1 ms	344 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
2	Halted	0 ms	0 KB	-

Subtask #5

0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	344 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	1 ms	344 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	1 ms	604 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	424 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	93 ms	14932 KB	Output is correct
31	Correct	90 ms	14816 KB	Output is correct
32	Correct	74 ms	14932 KB	Output is correct
33	Correct	79 ms	14932 KB	Output is correct
34	Correct	79 ms	14932 KB	Output is correct
35	Correct	81 ms	14932 KB	Output is correct
36	Correct	82 ms	14944 KB	Output is correct
37	Correct	79 ms	14944 KB	Output is correct
38	Correct	79 ms	14932 KB	Output is correct
39	Correct	80 ms	14932 KB	Output is correct
40	Correct	79 ms	15068 KB	Output is correct
41	Correct	95 ms	14824 KB	Output is correct
42	Correct	86 ms	14932 KB	Output is correct
43	Correct	78 ms	14932 KB	Output is correct
44	Incorrect	1 ms	344 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45	Halted	0 ms	0 KB	-