Submission #317010

#	Time	Username	Problem	Language	Result	Execution time	Memory
317010		daniel920712	Hidden Sequence (info1cup18_hidden)	C++14	0 / 100	3046 ms	39644 KiB

hidden

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

using namespace std;
vector < pair < vector < int > , int > > all;
vector < int > temp;

vector < int > findSequence (int N)
{
    int i,j,ok=0,now=0;
    for(i=0;i<(1<<(N/2+1));i++)
    {
        temp.clear();
        for(j=0;j<(N/2+1);j++)
        {
            if(i&(1<<j)) temp.push_back(1);
            else temp.push_back(0);
        }
        all.push_back(make_pair(temp,isSubsequence(temp)));
    }

    for(i=0;i<(1<<N);i++)
    {
        temp.clear();
        for(j=0;j<N;j++)
        {
            if(i&(1<<j)) temp.push_back(1);
            else temp.push_back(0);
        }
        ok=1;
        for(auto j:all)
        {
            now=0;
            for(auto k:j.first)
            {
                if(now<N&&k==temp[now]) now++;
            }
            if(now==N&&j.second==0) ok=0;
            if(now!=N&&j.second==1) ok=0;
        }
        if(ok) return temp;

    }
}

Compilation message (stderr)

hidden.cpp: In function 'std::vector<int> findSequence(int)':
hidden.cpp:44:1: warning: control reaches end of non-void function [-Wreturn-type]
   44 | }
      | ^
grader.cpp: In function 'int main()':
grader.cpp:28:26: warning: format '%d' expects argument of type 'int', but argument 3 has type 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wformat=]
   28 |     fprintf (fifo_out, "%d\n", ans.size ());
      |                         ~^     ~~~~~~~~~~~
      |                          |              |
      |                          int            std::vector<int>::size_type {aka long unsigned int}
      |                         %ld
grader.cpp:29:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |     for (int i=0; i<ans.size () && i < N; i++)
      |                   ~^~~~~~~~~~~~

• Subtask 1: 0 / 20
• Subtask 2: 0 / 80