제출 #297010

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
297010		Muhammetali	고대 책들 (IOI17_books)	C++11	0 / 100	1 ms	384 KiB

books

#include "books.h"
#include <bits/stdc++.h>
#define mp make_pair
#define f first
#define s second
#define sz(x) (int)(x).size()
#define rsz resize
#define ins insert
#define ft front()
#define bk back()
#define pf push_front
#define pb push_back
#define eb emplace_back
#define lb lower_bound
#define ub upper_bound
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int,int> pi;
typedef pair<ll,ll> pl;
typedef vector<int> vi;
typedef vector<bool> vb;
typedef vector<ll> vl;
typedef vector<pi> vpi;
typedef vector<pl> vpl;
int barla(vector<int> v)
{
	for (int i=0;i<sz(v);i++)
	{
		if (i!=v[i]) return i;
	}
	return -1;
}
ll minimum_walk(vector<int> p, int s)
{
	int res=0;
	int k=0,k1=-1;
	for (int i=0;i<sz(p);i++)
	{
		if (p[i]!=i)
		{
			k1=i;
			break;
		}
	}
	if (k1==-1)return 0;
	int bring=k1;
	while(1)
	{
		if (k==k1)
		{
			if (barla(p)==-1)return res+k;
			else k1=barla(p);
		}
		res+=abs(k-k1);
		k=k1;
		int y=k1;
		k1=p[k1];
		p[y]=y;
	}
	return res;
}

컴파일 시 표준 에러 (stderr) 메시지

books.cpp: In function 'll minimum_walk(std::vector<int>, int)':
books.cpp:47:6: warning: unused variable 'bring' [-Wunused-variable]
   47 |  int bring=k1;
      |      ^~~~~

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