제출 #921009

#제출 시각아이디문제언어결과실행 시간메모리
921009salmon고대 책들 (IOI17_books)C++14
12 / 100
2 ms1372 KiB
#include <cstdio> #include <vector> #include <bits/stdc++.h> using namespace std; long long minimum_walk(vector<int> p, int s) { bool done[1100100]; int N = p.size(); int un = N; int soom = 0; int i = 0; /*while(un != 0){ if(start ) }*/ int fre = 0; for(int i = 0; i < N; i++){ if(done[i]) continue; if(i > fre && i != p[i]){ soom += 2; } int j = p[i]; soom += abs(j - i); while(j != i){ int temp = j; fre = max(fre,j); done[j] = true; j = p[j]; soom += abs(temp - j); } } return soom; }

컴파일 시 표준 에러 (stderr) 메시지

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:12:9: warning: unused variable 'un' [-Wunused-variable]
   12 |     int un = N;
      |         ^~
books.cpp:15:9: warning: unused variable 'i' [-Wunused-variable]
   15 |     int i = 0;
      |         ^
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