Submission #1194508

#	Time	Username	Problem	Language	Result	Execution time	Memory
1194508		hackstar	Fun Tour (APIO20_fun)	C++20	Compilation error	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(all(o),0ll);
	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;
}

Compilation message (stderr)

fun.cpp: In function 'std::vector<int> createFunTour(int, int)':
fun.cpp:15:14: error: 'all' was not declared in this scope
   15 |         iota(all(o),0ll);
      |              ^~~
fun.cpp:15:14: 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;
      |                           ^~~