제출 #566255

#제출 시각아이디문제언어결과실행 시간메모리
566255sofapuden고대 책들 (IOI17_books)C++14
0 / 100
1 ms304 KiB
#include "books.h" #include<bits/stdc++.h> using namespace std; typedef long long ll; ll minimum_walk(vector<int> p, int s) { ll su = 0; int mx = 0; int n = p.size(); vector<int> vis(n,0); ll ans = 0; for(int i = 0; i < n; ++i){ ans+=abs(i-p[i]); if(!vis[i]){ ans+=2; while(!vis[i]){ vis[i] = 1; i = p[i]; } } } return ans-2; }

컴파일 시 표준 에러 (stderr) 메시지

books.cpp: In function 'll minimum_walk(std::vector<int>, int)':
books.cpp:9:5: warning: unused variable 'su' [-Wunused-variable]
    9 |  ll su = 0;
      |     ^~
books.cpp:10:6: warning: unused variable 'mx' [-Wunused-variable]
   10 |  int mx = 0;
      |      ^~
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