Submission #486155

#	Time	Username	Problem	Language	Result	Execution time	Memory
486155		leaked	Hidden Sequence (info1cup18_hidden)	C++14	34 / 100	11 ms	328 KiB

hidden

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

using namespace std;
#define sz(x) (int)x.size()
#define pb push_back
#define vec vector
vector < int > findSequence (int N)
{
    vector<int>ans;
    ans.pb(1);
    int u=0;
//    cout<<isSubsequence(ans)<<endl;
    while(sz(ans)<=N && isSubsequence(ans)) u++,ans.pb(1);
    ans.pop_back();
//    for(auto &z : ans) cout<<z<<' ';
//    cout<<endl;
    int to=0;
    if(sz(ans)>(N-sz(ans))){
        int h=N-sz(ans);
        ans.clear();
        while(h--) ans.pb(0);
        to=1;
    }
    for(int i=0;i<sz(ans);i++){
        if(ans[i]==to) continue;
        vec<int> nans=ans;
        while(sz(nans)<N){
//            cout<<"DEBUG"<<endl;
//            for(auto &z : nans) cout<<z<<' ';
//            cout<<endl;
            nans.insert(nans.begin()+i,to);
            if(!isSubsequence(nans)){
                nans.erase(nans.begin()+i,nans.begin()+i+1);
                break;
            }
        }
        ans=nans;
    }
    while(sz(ans)!=N) ans.pb(to);
    return ans;
}

Compilation message (stderr)

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: 10 / 20
• Subtask 2: 24 / 80