Submission #535433

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
535433	2022-03-10T09:22:56 Z	mario05092929	Ancient Books (IOI17_books)	C++14	50 / 100	187 ms	24164 KB

books

#include "books.h"
#include <bits/stdc++.h>
#define x first
#define y second
using namespace std;
const int INF = 1e9;
typedef long long ll;
typedef pair <int,int> pi;
typedef vector <int> vec;
using namespace std;
vec a;
int n;
int c[1000005],mn,mx;
vector <pi> line;

void dfs(int x) {
    if(c[x]) return;
    c[x] = 1;
    mn = min(mn,x);
    mx = max(mx,x);
    dfs(a[x]);
}

ll minimum_walk(vec P,int st) {
    ll ans = 0;
	a = P;
	n = a.size();
	line.push_back({0,0});
    for(int i = 0;i < n;i++) {
        ans += abs(i-a[i]);
        if(c[i]||i == a[i]) continue;
        mn = INF, mx = -INF;
        dfs(i);
        if(mn > line.back().y) {
            line.push_back({mn,mx});
        }
        else {
            line.back().y = max(line.back().y,mx);
        }
    }
    int m = line.size();
    for(int i = 1;i < m;i++) {
        ans += (line[i].x-line[i-1].y)*2;
    }
	return ans;
}

Subtask #1

12.0 / 12.0

#	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	324 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	320 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	1 ms	224 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	224 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	312 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	324 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct

Subtask #2

10.0 / 10.0

#	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	324 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	320 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	1 ms	224 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	224 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	312 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	324 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	340 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	220 KB	Output is correct
25	Correct	1 ms	224 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	212 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct

Subtask #3

28.0 / 28.0

#	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	324 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	320 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	1 ms	224 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	224 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	312 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	324 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	340 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	220 KB	Output is correct
25	Correct	1 ms	224 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	212 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	167 ms	22636 KB	Output is correct
31	Correct	187 ms	22696 KB	Output is correct
32	Correct	121 ms	18688 KB	Output is correct
33	Correct	131 ms	24156 KB	Output is correct
34	Correct	149 ms	24160 KB	Output is correct
35	Correct	107 ms	24164 KB	Output is correct
36	Correct	120 ms	23476 KB	Output is correct
37	Correct	125 ms	22768 KB	Output is correct
38	Correct	111 ms	22640 KB	Output is correct
39	Correct	112 ms	22636 KB	Output is correct
40	Correct	147 ms	22640 KB	Output is correct
41	Correct	155 ms	22656 KB	Output is correct
42	Correct	136 ms	22636 KB	Output is correct
43	Correct	114 ms	22640 KB	Output is correct

Subtask #4

0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	1 ms	320 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	1 ms	212 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	212 KB	Output is correct
6	Correct	1 ms	320 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	1 ms	224 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	224 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	312 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	324 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	340 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	220 KB	Output is correct
25	Correct	1 ms	224 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	212 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	167 ms	22636 KB	Output is correct
31	Correct	187 ms	22696 KB	Output is correct
32	Correct	121 ms	18688 KB	Output is correct
33	Correct	131 ms	24156 KB	Output is correct
34	Correct	149 ms	24160 KB	Output is correct
35	Correct	107 ms	24164 KB	Output is correct
36	Correct	120 ms	23476 KB	Output is correct
37	Correct	125 ms	22768 KB	Output is correct
38	Correct	111 ms	22640 KB	Output is correct
39	Correct	112 ms	22636 KB	Output is correct
40	Correct	147 ms	22640 KB	Output is correct
41	Correct	155 ms	22656 KB	Output is correct
42	Correct	136 ms	22636 KB	Output is correct
43	Correct	114 ms	22640 KB	Output is correct
44	Incorrect	1 ms	320 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45	Halted	0 ms	0 KB	-