oj.uz

Submission #920989

# Submission time Handle Problem Language Result Execution time Memory
920989 2024-02-03T08:42:14 Z siewjh Ancient Books (IOI17_books) C++17
0 / 100
 1 ms 432 KB 
#include "books.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

ll minimum_walk(vector<int> p, int s) {
	int nums = p.size();
	vector<int> cyc(nums, -1);
	ll ans = 0;
	int mn = s, mx = s;
	vector<pair<int, int>> ranges;
	for (int i = 0; i < nums; i++)
		if (cyc[i] == -1){
			int curr = i, cmn = i, cmx = i;
			do{
				ans += abs(curr - p[curr]);
				cyc[curr] = i;
				cmn = min(cmn, curr);
				cmx = max(cmn, curr);
				curr = p[curr];
			} while (curr != i);
			ranges.push_back({cmn, cmx});
			if (p[i] != i){
				mn = min(mn, cmn);
				mx = max(mx, cmx);
			}
		}
	sort(ranges.begin(), ranges.end());
	int cmx = -1;
	ll cnt = 0;
	for (auto &[l, r] : ranges){
		if (l < mn) continue;
		if (l > mx) break;
		if (l != r || r > cmx) cnt++;
		cmx = max(cmx, r);
	}
	return ans + (cnt - 1) * 2;
}

Subtask #1
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 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 432 KB Output is correct
6 Incorrect 0 ms 348 KB 3rd lines differ - on the 1st token, expected: '8', found: '10'
7 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 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 432 KB Output is correct
6 Incorrect 0 ms 348 KB 3rd lines differ - on the 1st token, expected: '8', found: '10'
7 Halted 0 ms 0 KB -

Subtask #3
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 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 432 KB Output is correct
6 Incorrect 0 ms 348 KB 3rd lines differ - on the 1st token, expected: '8', found: '10'
7 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB 3rd lines differ - on the 1st token, expected: '3304', found: '3106'
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 0 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 432 KB Output is correct
6 Incorrect 0 ms 348 KB 3rd lines differ - on the 1st token, expected: '8', found: '10'
7 Halted 0 ms 0 KB -