oj.uz

Submission #370957

# Submission time Handle Problem Language Result Execution time Memory
370957 2021-02-25T08:58:38 Z KoD Ancient Books (IOI17_books) C++17
0 / 100
 1 ms 492 KB 
#include <bits/stdc++.h>
#include "books.h"

template <class T>
using Vec = std::vector<T>;

long long minimum_walk(Vec<int> p, int s) {
	assert(s == 0);
	const int n = (int) p.size();
	Vec<bool> done(n);
	long long ret = 0;
	int max = 0;
	for (int i = 0; i < n; ++i) {
		ret += std::abs(p[i] - i);
		if (!done[i]) {
			if (p[i] != i) {
				max = std::max(max, i);
			}
			int u = i;
			while (!done[u]) {
				done[u] = true;
				u = p[u];
			}
		}
	}
	return ret + 2 * max;
}

Subtask #1
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Incorrect 1 ms 364 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 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Incorrect 1 ms 364 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 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Incorrect 1 ms 364 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 Runtime error 1 ms 492 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Incorrect 1 ms 364 KB 3rd lines differ - on the 1st token, expected: '8', found: '10'
7 Halted 0 ms 0 KB -