oj.uz

Submission #422866

# Submission time Handle Problem Language Result Execution time Memory
422866 2021-06-10T13:16:41 Z 2fat2code Ancient Books (IOI17_books) C++17
50 / 100
 228 ms 75148 KB 
#include "books.h"
#include<bits/stdc++.h>
#define fr first
#define sc second
#define all(s) s.begin(), s.end()
using namespace std;

const int nmax = 1000005;

long long n, ans = 0, viz[nmax], comp = 0, cost, diff = 1e18, el = 0;
vector<pair<long long,long long>>ranges;
pair<long long,long long>range[nmax];
vector<long long>nod[nmax];

long long minimum_walk(vector<int> p, int s) {
	n = (int)p.size();
	for(int i=0;i<n;i++){
        ans += abs(p[i] - i);
	}
	for(int i=0;i<n;i++){
        if(!viz[i]){
            int maxi = i, mini = i;
            comp++;
            viz[i] = comp;
            int curr = p[i];
            while(curr != i){
                viz[curr] = comp;
                maxi = max(maxi, curr);
                mini = min(mini, curr);
                curr = p[curr];
            }
            range[comp].fr = mini;
            range[comp].sc = maxi;
            ranges.push_back({mini, maxi});
        }
	}
	for(int i=range[viz[s]].fr;i<=range[viz[s]].sc;i++){
        if(p[i] != i && abs(s - i) < diff){
            diff = abs(s - i);
            el = i;
        }
	}
	if(diff == 1e18) diff = 0;
	diff *= 2LL;
	s = el;
    while(ranges.size() && ranges.back().fr == ranges.back().sc && ranges.back().sc > s){
        ranges.pop_back();
    }
    reverse(all(ranges));
    while(ranges.size() && ranges.back().fr == ranges.back().sc && ranges.back().sc < s){
        ranges.pop_back();
    }
	sort(all(ranges));
	deque<pair<long long,long long>>Q;
	for(auto it : ranges){
        Q.push_back(it);
	}
	queue<pair<long long, long long>>rn;
	while(Q.size()){
        cost += 2;
        rn.push(Q.front());
        Q.pop_front();
        while(rn.size()){
            auto it = rn.front();
            rn.pop();
            while(Q.size() && Q.front().fr <= it.sc){
                rn.push(Q.front());
                Q.pop_front();
            }
        }
	}
	cost -= 2LL;
	return ans + cost + diff;
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 23756 KB Output is correct
2 Correct 16 ms 23800 KB Output is correct
3 Correct 19 ms 23756 KB Output is correct
4 Correct 16 ms 23696 KB Output is correct
5 Correct 16 ms 23732 KB Output is correct
6 Correct 16 ms 23684 KB Output is correct
7 Correct 16 ms 23752 KB Output is correct
8 Correct 15 ms 23792 KB Output is correct
9 Correct 15 ms 23760 KB Output is correct
10 Correct 16 ms 23728 KB Output is correct
11 Correct 15 ms 23668 KB Output is correct
12 Correct 15 ms 23756 KB Output is correct
13 Correct 16 ms 23724 KB Output is correct
14 Correct 16 ms 23704 KB Output is correct
15 Correct 15 ms 23756 KB Output is correct
16 Correct 18 ms 23784 KB Output is correct
17 Correct 16 ms 23796 KB Output is correct
18 Correct 17 ms 23784 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 23756 KB Output is correct
2 Correct 16 ms 23800 KB Output is correct
3 Correct 19 ms 23756 KB Output is correct
4 Correct 16 ms 23696 KB Output is correct
5 Correct 16 ms 23732 KB Output is correct
6 Correct 16 ms 23684 KB Output is correct
7 Correct 16 ms 23752 KB Output is correct
8 Correct 15 ms 23792 KB Output is correct
9 Correct 15 ms 23760 KB Output is correct
10 Correct 16 ms 23728 KB Output is correct
11 Correct 15 ms 23668 KB Output is correct
12 Correct 15 ms 23756 KB Output is correct
13 Correct 16 ms 23724 KB Output is correct
14 Correct 16 ms 23704 KB Output is correct
15 Correct 15 ms 23756 KB Output is correct
16 Correct 18 ms 23784 KB Output is correct
17 Correct 16 ms 23796 KB Output is correct
18 Correct 17 ms 23784 KB Output is correct
19 Correct 16 ms 23812 KB Output is correct
20 Correct 16 ms 23756 KB Output is correct
21 Correct 15 ms 23756 KB Output is correct
22 Correct 16 ms 23756 KB Output is correct
23 Correct 16 ms 23756 KB Output is correct
24 Correct 15 ms 23756 KB Output is correct
25 Correct 16 ms 23788 KB Output is correct
26 Correct 16 ms 23756 KB Output is correct
27 Correct 16 ms 23756 KB Output is correct
28 Correct 16 ms 23756 KB Output is correct
29 Correct 17 ms 23756 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 23756 KB Output is correct
2 Correct 16 ms 23800 KB Output is correct
3 Correct 19 ms 23756 KB Output is correct
4 Correct 16 ms 23696 KB Output is correct
5 Correct 16 ms 23732 KB Output is correct
6 Correct 16 ms 23684 KB Output is correct
7 Correct 16 ms 23752 KB Output is correct
8 Correct 15 ms 23792 KB Output is correct
9 Correct 15 ms 23760 KB Output is correct
10 Correct 16 ms 23728 KB Output is correct
11 Correct 15 ms 23668 KB Output is correct
12 Correct 15 ms 23756 KB Output is correct
13 Correct 16 ms 23724 KB Output is correct
14 Correct 16 ms 23704 KB Output is correct
15 Correct 15 ms 23756 KB Output is correct
16 Correct 18 ms 23784 KB Output is correct
17 Correct 16 ms 23796 KB Output is correct
18 Correct 17 ms 23784 KB Output is correct
19 Correct 16 ms 23812 KB Output is correct
20 Correct 16 ms 23756 KB Output is correct
21 Correct 15 ms 23756 KB Output is correct
22 Correct 16 ms 23756 KB Output is correct
23 Correct 16 ms 23756 KB Output is correct
24 Correct 15 ms 23756 KB Output is correct
25 Correct 16 ms 23788 KB Output is correct
26 Correct 16 ms 23756 KB Output is correct
27 Correct 16 ms 23756 KB Output is correct
28 Correct 16 ms 23756 KB Output is correct
29 Correct 17 ms 23756 KB Output is correct
30 Correct 228 ms 39480 KB Output is correct
31 Correct 204 ms 39428 KB Output is correct
32 Correct 177 ms 70796 KB Output is correct
33 Correct 202 ms 72436 KB Output is correct
34 Correct 198 ms 72444 KB Output is correct
35 Correct 191 ms 65700 KB Output is correct
36 Correct 161 ms 51620 KB Output is correct
37 Correct 154 ms 41008 KB Output is correct
38 Correct 142 ms 39748 KB Output is correct
39 Correct 145 ms 39724 KB Output is correct
40 Correct 199 ms 39468 KB Output is correct
41 Correct 162 ms 39344 KB Output is correct
42 Correct 165 ms 39336 KB Output is correct
43 Correct 209 ms 75148 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 16 ms 23840 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 16 ms 23756 KB Output is correct
2 Correct 16 ms 23800 KB Output is correct
3 Correct 19 ms 23756 KB Output is correct
4 Correct 16 ms 23696 KB Output is correct
5 Correct 16 ms 23732 KB Output is correct
6 Correct 16 ms 23684 KB Output is correct
7 Correct 16 ms 23752 KB Output is correct
8 Correct 15 ms 23792 KB Output is correct
9 Correct 15 ms 23760 KB Output is correct
10 Correct 16 ms 23728 KB Output is correct
11 Correct 15 ms 23668 KB Output is correct
12 Correct 15 ms 23756 KB Output is correct
13 Correct 16 ms 23724 KB Output is correct
14 Correct 16 ms 23704 KB Output is correct
15 Correct 15 ms 23756 KB Output is correct
16 Correct 18 ms 23784 KB Output is correct
17 Correct 16 ms 23796 KB Output is correct
18 Correct 17 ms 23784 KB Output is correct
19 Correct 16 ms 23812 KB Output is correct
20 Correct 16 ms 23756 KB Output is correct
21 Correct 15 ms 23756 KB Output is correct
22 Correct 16 ms 23756 KB Output is correct
23 Correct 16 ms 23756 KB Output is correct
24 Correct 15 ms 23756 KB Output is correct
25 Correct 16 ms 23788 KB Output is correct
26 Correct 16 ms 23756 KB Output is correct
27 Correct 16 ms 23756 KB Output is correct
28 Correct 16 ms 23756 KB Output is correct
29 Correct 17 ms 23756 KB Output is correct
30 Correct 228 ms 39480 KB Output is correct
31 Correct 204 ms 39428 KB Output is correct
32 Correct 177 ms 70796 KB Output is correct
33 Correct 202 ms 72436 KB Output is correct
34 Correct 198 ms 72444 KB Output is correct
35 Correct 191 ms 65700 KB Output is correct
36 Correct 161 ms 51620 KB Output is correct
37 Correct 154 ms 41008 KB Output is correct
38 Correct 142 ms 39748 KB Output is correct
39 Correct 145 ms 39724 KB Output is correct
40 Correct 199 ms 39468 KB Output is correct
41 Correct 162 ms 39344 KB Output is correct
42 Correct 165 ms 39336 KB Output is correct
43 Correct 209 ms 75148 KB Output is correct
44 Incorrect 16 ms 23840 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45 Halted 0 ms 0 KB -