Submission #648385

#	Time	Username	Problem	Language	Result	Execution time	Memory
648385		berr	The Collection Game (BOI21_swaps)	C++17	0 / 100	1 ms	336 KiB

swaps

#include <bits/stdc++.h>
#include "swaps.h"
using namespace std;

void solve(int N, int V)
{



    deque<vector<int>> ans(1);

    for(int i=1; i<=N; i++)
    {
        ans[0].push_back(i);
    }
    int l=0, r=N-1;

    vector<int> q(N);
    while(ans.size()!=1||ans[0].size()!=1)
    {

        for(int i=0; i<ans.size(); i++)
        {
            for(int l=0; l<ans[i].size()-1; l+=2)
            {
                schedule(ans[i][l], ans[i][l+1]);
            }
        }

        deque<vector<int>> br(ans.size()+1);

        auto b=visit();

        int f=0;
        for(int i=0; i<ans.size(); i++)
        {
            for(int l=0; l<ans[i].size()-1; l+=2)
            {
               if(b[f]==1) br[i].push_back(ans[i][l]), br[i+1].push_back(ans[i][l+1]);
               else br[i].push_back(ans[i][l+1]), br[i+1].push_back(ans[i][l]);
               f++;
            }
            if(ans[i].size()%2) br[i].push_back(ans[i][ans[i].size()-1]);
        }

        ans=br;

        int k=0;

        while(ans.size()&&ans[0].size()==1)
        {
            q[l]=ans[0][0];
            ans.pop_front();
            l++;
        }
        while(ans.size()&&ans[ans.size()-1].size()==1)
        {
            q[r]=ans[ans.size()-1][0];
            ans.pop_back();
            r--;
        }


    }
    answer(q);

}

Compilation message (stderr)

swaps.cpp: In function 'void solve(int, int)':
swaps.cpp:22:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::deque<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |         for(int i=0; i<ans.size(); i++)
      |                      ~^~~~~~~~~~~
swaps.cpp:24:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |             for(int l=0; l<ans[i].size()-1; l+=2)
      |                          ~^~~~~~~~~~~~~~~~
swaps.cpp:35:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::deque<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |         for(int i=0; i<ans.size(); i++)
      |                      ~^~~~~~~~~~~
swaps.cpp:37:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |             for(int l=0; l<ans[i].size()-1; l+=2)
      |                          ~^~~~~~~~~~~~~~~~
swaps.cpp:48:13: warning: unused variable 'k' [-Wunused-variable]
   48 |         int k=0;
      |             ^

• Subtask 1: 0 / 5
• Subtask 2: 0 / 10
• Subtask 3: 0 / 3
• Subtask 4: 0 / 2
• Subtask 5: 0 / 9
• Subtask 6: 0 / 6
• Subtask 7: 0 / 9
• Subtask 8: 0 / 6
• Subtask 9: 0 / 21
• Subtask 10: 0 / 14
• Subtask 11: 0 / 9
• Subtask 12: 0 / 6