제출 #58216

#제출 시각아이디문제언어결과실행 시간메모리
58216ruhanhabib39고대 책들 (IOI17_books)C++17
50 / 100
209 ms103148 KiB
#include <vector> #include <cstdlib> #include <algorithm> #include "books.h" long long minimum_walk(std::vector<int> p, int s) { if(s) return 0; while(p.size() && p.back() == p.size()-1) p.pop_back(); long long res = 0; for(int i = 0; i < (int)p.size(); i++) { res += abs(p[i] - i); } int r = 0; for(int i = 0; i < (int)p.size()-1; i++) { r = std::max(r, p[i]); if(i == r) res += 2; } return res; }

컴파일 시 표준 에러 (stderr) 메시지

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:8:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    while(p.size() && p.back() == p.size()-1) p.pop_back();
                      ~~~~~~~~~^~~~~~~~~~~~~
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