제출 #290415

#제출 시각아이디문제언어결과실행 시간메모리
290415A02고대 책들 (IOI17_books)C++14
50 / 100
175 ms14968 KiB
#include <bits/stdc++.h> #include "books.h" using namespace std; long long minimum_walk(vector<int> p, int s) { long long book_total = 0; int n = p.size(); for (int i = 0; i < n; i++){ book_total += max(p[i] - i, i - p[i]); } if (s == 0){ int current_region_max = 0; int prev_visited = 0; for (int i = 0; i < n; i++){ if (current_region_max < i && p[i] != i){ book_total += 2 * (i - current_region_max); } if (p[i] != i){ current_region_max = max(current_region_max, i); current_region_max = max(current_region_max, p[i]); } } } return book_total; }

컴파일 시 표준 에러 (stderr) 메시지

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:18:13: warning: unused variable 'prev_visited' [-Wunused-variable]
   18 |         int prev_visited = 0;
      |             ^~~~~~~~~~~~
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