Submission #423092

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
423092	2021-06-10T17:19:01 Z	MDario	Ancient Books (IOI17_books)	C++11	50 / 100	158 ms	9156 KB

books

#include "books.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define F first
#define S second
long long minimum_walk(vector<int> p, int s){
    ll n=p.size(), r=0, x=n, y=0, z=-1;
    bool b[n];
    for(int i=0; i<n; i++){
        b[i]=0;
        if(p[i]==i)b[i]=1;
    }
    for(ll i=0; i<n; i++){
        if(!b[i]){
            //cout << z << " ";
            if(i>=z){
                if(z!=-1)r+=2*(i-z);
                x=min(x, abs(i-s));
            }
            r+=p[i]-i;
            y=p[i];
            while(y!=i){
                z=max(z, y);
                b[y]=1;
                r+=abs(p[y]-y);
                y=p[y];
            }
            b[y]=1;
            z=max(z, y);
            //x=min(x, abs(i-z));
        }
    }
    if(x==n)return r;
	return r+2*x;
}

Subtask #1

12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	1 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
7	Correct	0 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	1 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	1 ms	204 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct

Subtask #2

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	1 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
7	Correct	0 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	1 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	1 ms	204 KB	Output is correct
16	Correct	0 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	204 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	0 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	204 KB	Output is correct
29	Correct	1 ms	204 KB	Output is correct

Subtask #3

28.0 / 28.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	1 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
7	Correct	0 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	1 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	1 ms	204 KB	Output is correct
16	Correct	0 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	204 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	0 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	204 KB	Output is correct
29	Correct	1 ms	204 KB	Output is correct
30	Correct	138 ms	9072 KB	Output is correct
31	Correct	141 ms	9068 KB	Output is correct
32	Correct	116 ms	9072 KB	Output is correct
33	Correct	123 ms	9072 KB	Output is correct
34	Correct	127 ms	9072 KB	Output is correct
35	Correct	125 ms	9052 KB	Output is correct
36	Correct	128 ms	9156 KB	Output is correct
37	Correct	121 ms	9056 KB	Output is correct
38	Correct	150 ms	9068 KB	Output is correct
39	Correct	126 ms	9060 KB	Output is correct
40	Correct	124 ms	9064 KB	Output is correct
41	Correct	158 ms	9068 KB	Output is correct
42	Correct	131 ms	9028 KB	Output is correct
43	Correct	124 ms	9072 KB	Output is correct

Subtask #4

0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	0 ms	204 KB	3rd lines differ - on the 1st token, expected: '3304', found: '3594'
2	Halted	0 ms	0 KB	-

Subtask #5

0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	1 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
7	Correct	0 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	1 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	1 ms	204 KB	Output is correct
16	Correct	0 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	204 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	0 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	204 KB	Output is correct
29	Correct	1 ms	204 KB	Output is correct
30	Correct	138 ms	9072 KB	Output is correct
31	Correct	141 ms	9068 KB	Output is correct
32	Correct	116 ms	9072 KB	Output is correct
33	Correct	123 ms	9072 KB	Output is correct
34	Correct	127 ms	9072 KB	Output is correct
35	Correct	125 ms	9052 KB	Output is correct
36	Correct	128 ms	9156 KB	Output is correct
37	Correct	121 ms	9056 KB	Output is correct
38	Correct	150 ms	9068 KB	Output is correct
39	Correct	126 ms	9060 KB	Output is correct
40	Correct	124 ms	9064 KB	Output is correct
41	Correct	158 ms	9068 KB	Output is correct
42	Correct	131 ms	9028 KB	Output is correct
43	Correct	124 ms	9072 KB	Output is correct
44	Incorrect	0 ms	204 KB	3rd lines differ - on the 1st token, expected: '3304', found: '3594'
45	Halted	0 ms	0 KB	-