Submission #1151538

#	Time	Username	Problem	Language	Result	Execution time	Memory
1151538		KluydQ	Mouse (info1cup19_mouse)	C++20	Compilation error	0 ms	0 KiB

mouse

#include <bits/stdc++.h>
#include "grader.h"
 
#define respagold ios_base::sync_with_stdio(0), cin.tie(0);
#define ll long long
#define int2 __int128_t
#define FOR( i, x, n, d ) for( int i = x; i <= n; i += d )
#define FORR( i, x, n, d ) for( int i = x; i >= n; i -= d )
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define sz(x) (int)(x.size())
#define pb push_back
#define ins insert
#define lb lower_bound
#define ub upper_bound
#define pii pair <int, int>
#define mkp make_pair
 
using namespace std;
 
const int N1 = 2e5 + 123;
 
int a[N1], b[N1], n, m, k, z, w, ans, x, y;

mt19937 rng( chrono::steady_clock::now().time_since_epoch().count());
 
int rand( int l, int r )
{
    uniform_int_distribution <int> uid( l, r );
    return uid( rng );
}
void solve( int N )
{
	n = N;
	vector <int> q;
	
	FOR( i, 0, n - 1, 1 ) q.pb(i), a[i] = i + 1;
	random_shuffle(q);
	a[n - 1] = 0;
	
	FOR( i, 0, n - 1, 1 )
	{
		x = query(q);
		int sv = q[i];
		
		if( x == n ) return;
		
		while( 1 )
		{
			q[i] = a[q[i]];
			y = query(q);
			if( y == n ) return;
			if( x != y ) break;
		}
		if( x > y ) q[i] = sv;
	}
}
//signed main() 
//{
////	freopen("connect.in", "r", stdin);
////	freopen("connect.out", "w", stdout);
//	    
//    respagold
//    
//    int test = 0;
//    
//    if( !test ) cin >> test;
//	
//	while( test -- )
//	{
//		solve();
//	}
//}
//// solved by KluydQ  

Compilation message (stderr)

mouse.cpp: In function 'void solve(int)':
mouse.cpp:39:23: error: no matching function for call to 'random_shuffle(std::vector<int>&)'
   39 |         random_shuffle(q);
      |         ~~~~~~~~~~~~~~^~~
In file included from /usr/include/c++/11/string:52,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/sstream:38,
                 from /usr/include/c++/11/complex:45,
                 from /usr/include/c++/11/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
                 from mouse.cpp:1:
/usr/include/c++/11/bits/stl_algo.h:4568:5: note: candidate: 'template<class _RAIter> void std::random_shuffle(_RAIter, _RAIter)'
 4568 |     random_shuffle(_RandomAccessIterator __first, _RandomAccessIterator __last)
      |     ^~~~~~~~~~~~~~
/usr/include/c++/11/bits/stl_algo.h:4568:5: note:   template argument deduction/substitution failed:
mouse.cpp:39:23: note:   candidate expects 2 arguments, 1 provided
   39 |         random_shuffle(q);
      |         ~~~~~~~~~~~~~~^~~
In file included from /usr/include/c++/11/string:52,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/sstream:38,
                 from /usr/include/c++/11/complex:45,
                 from /usr/include/c++/11/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
                 from mouse.cpp:1:
/usr/include/c++/11/bits/stl_algo.h:4603:5: note: candidate: 'template<class _RAIter, class _Generator> void std::random_shuffle(_RAIter, _RAIter, _Generator&&)'
 4603 |     random_shuffle(_RandomAccessIterator __first, _RandomAccessIterator __last,
      |     ^~~~~~~~~~~~~~
/usr/include/c++/11/bits/stl_algo.h:4603:5: note:   template argument deduction/substitution failed:
mouse.cpp:39:23: note:   candidate expects 3 arguments, 1 provided
   39 |         random_shuffle(q);
      |         ~~~~~~~~~~~~~~^~~