oj.uz

답안 #71801

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
71801 2018-08-25T16:09:48 Z nirshalmon 고대 책들 (IOI17_books) C++14
0 / 100
 3 ms 536 KB 
#include "books.h"
#include<bits/stdc++.h>

using namespace std;

long long minimum_walk(std::vector<int> p, int s) {
	long long base = -2;
	int mx = -1;
	int f = 0, l = p.size() - 1;
	for (; f < p.size(); ++f) {
		if (p[f] != f) break;
	}
	for (; l >= 0; --l) {
		if (p[l] != l) break;
	}
	if (l == 0) return 0;
	for (int i = f; i <= l; ++i) {
		base += abs(p[i] - i);
		mx = max(p[i], i);
		if (mx <= i) base += 2;
	}
	if (s < f) base += 2 * (f - s);
	if (s > l) base += 2 * (s - l);
	return base;
}

Compilation message

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:10:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (; f < p.size(); ++f) {
         ~~^~~~~~~~~~

Subtask #1
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 436 KB Output is correct
2 Incorrect 3 ms 488 KB 3rd lines differ - on the 1st token, expected: '6', found: '8'
3 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 436 KB Output is correct
2 Incorrect 3 ms 488 KB 3rd lines differ - on the 1st token, expected: '6', found: '8'
3 Halted 0 ms 0 KB -

Subtask #3
0 / 28.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 436 KB Output is correct
2 Incorrect 3 ms 488 KB 3rd lines differ - on the 1st token, expected: '6', found: '8'
3 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 3 ms 536 KB 3rd lines differ - on the 1st token, expected: '3304', found: '4290'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 436 KB Output is correct
2 Incorrect 3 ms 488 KB 3rd lines differ - on the 1st token, expected: '6', found: '8'
3 Halted 0 ms 0 KB -