Submission #819998

#	Time	Username	Problem	Language	Result	Execution time	Memory
819998		MohamedAhmed04	The Collection Game (BOI21_swaps)	C++14	Compilation error	0 ms	0 KiB

swaps

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

int n ;

vector<int>solve()
{
	vector< vector<int> >v ;
	for(int i = 1 ; i <= n ; ++i)
		v.push_back({i}) ;
	while(v.size() > 1)
	{
		vector< vector<int> >v2 ;
		int sz = v.size() ;
		vector< array<int , 4> >state ;
		for(int i = 0 ; i < sz-1 ; i += 2)
		{
			state.push_back({i , i+1 , 0 , 0}) ;
			v2.push_back({}) ;
		}
		if((sz & 1))
			v2.push_back(v[sz-1]) ;
		bool ok = false ;
		while(!ok)
		{
			for(auto &a : state)
			{
				if(a[2] < v[a[0]].size() && a[3] < v[a[1]].size())
					schedule(v[a[0]][a[2]] , v[a[1]][a[3]]) ;
				else if(a[2] < v[a[0]].size() && a[3] == v[a[1]].size())
					schedule(v[a[0]][a[2]] , v[a[0]][a[2]+1]) ;
				else if(a[2] == v[a[0]].size() && a[3] < v[a[1]].size())
					schedule(v[a[1]][a[3]] , v[a[1]][a[3]+1]) ;
			}
			vector<int>cur = visit() ;
			int idx = 0 ;
			for(auto &a : state)
			{
				int idx2 = a[0] / 2 ;
				if(a[2] < v[a[0]].size() && a[3] < v[a[1]].size())
				{
					if(cur[idx])
						v2[idx2].push_back(v[a[0]][a[2]]) , a[2]++ ;
					else
						v2[idx2].push_back(v[a[1]][a[3]]) , a[3]++ ;
					if(a[2] == v[a[0]].size() && a[3] == (int)(v[a[1]].size()) - 1)
						v2[idx2].push_back(v[a[1]][a[3]]) , a[3]++ ;
					else if(a[3] == v[a[1]].size() && a[2] == (int)(v[a[0]].size()) - 1)
						v2[idx2].push_back(v[a[0]][a[2]]) , a[2]++ ;
					++idx ;
				}
				else if(a[2] < v[a[0]].size() && a[3] == v[a[1]].size())
				{
					if(cur[idx])
						v2[idx].push_back(v[a[0]][a[2]]) ;
					else
						v2[idx].push_back(v[a[0]][a[2]+1]) ;
					a[2]++ ;
					if(a[2] == (int)(v[a[0]].size()) - 1)
						v2[idx].push_back(v[a[0]][a[2]]) , a[2]++ ;
				}
				else if(a[2] == v[a[0]].size() && a[3] < v[a[1]].size())
				{
					if(cur[idx])
						v2[idx].push_back(v[a[1]][a[3]]) ;
					else
						v2[idx].push_back(v[a[1]][a[3]+1]) ;
					a[3]++ ;
					if(a[3] == (int)(v[a[1]].size()) - 1)
						v2[idx].push_back(v[a[1]][a[3]]) , a[3]++ ;	
				}
			}
			ok = true ;
			for(auto &a : state)
				ok &= (a[2] == v[a[0]].size() && a[3] == v[a[1]].size()) ;
		}
		v = v2 ;
	}
	return v[0] ;
}

void solve(int N, int V) 
{
	n = N ;
	answer(solve()) ;
	return ;
}

Compilation message (stderr)

swaps.cpp:6:1: error: 'vector' does not name a type
    6 | vector<int>solve()
      | ^~~~~~
swaps.cpp: In function 'void solve(int, int)':
swaps.cpp:85:15: error: too few arguments to function 'void solve(int, int)'
   85 |  answer(solve()) ;
      |               ^
swaps.cpp:82:6: note: declared here
   82 | void solve(int N, int V)
      |      ^~~~~