제출 #1194509

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1194509		hackstar	즐거운 행로 (APIO20_fun)	C++20	컴파일 에러	0 ms	0 KiB

fun

#include "fun.h"
#include<bits/stdc++.h>

using namespace std;

vector<int>createFunTour(int n,int q){
	vector<vector<int>>dist(n,vector<int>(n));
	for(int i=0;i<n;i++){
		for(int j=i+1;j<n;j++){
			int cur=hoursRequired(i,j);
			dist[i][j]=cur;
		}
	}
	vector<int>o(n);
	iota(o.begin(),o.end(),0);
	auto check=[&]()->bool{	
		bool ok=1;
		int lst=dist[o[0]][o[1]];
		for(int i=2;i<n;i++){
			if(dist[o[i]][o[i-1]]>lst){
				return 0;
			}
			lst=dist[o[i]][o[i-1]];
		}
		return 1;
	};
	do{
		if(check()){
			break;
		}
	}while(next_permutation(all(o)));
	return o;
}

컴파일 시 표준 에러 (stderr) 메시지

fun.cpp: In function 'std::vector<int> createFunTour(int, int)':
fun.cpp:31:33: error: 'all' was not declared in this scope
   31 |         }while(next_permutation(all(o)));
      |                                 ^~~
fun.cpp:31:33: note: suggested alternatives:
In file included from /usr/include/c++/11/filesystem:44,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:129,
                 from fun.cpp:2:
/usr/include/c++/11/bits/fs_fwd.h:154:7: note:   'std::filesystem::perms::all'
  154 |       all               =  0777,
      |       ^~~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:146,
                 from fun.cpp:2:
/usr/include/c++/11/ranges:1130:27: note:   'std::ranges::views::all'
 1130 |     inline constexpr _All all;
      |                           ^~~