Submission #388894

#	Time	Username	Problem	Language	Result	Execution time	Memory
388894		jjang36524	Unscrambling a Messy Bug (IOI16_messy)	C++14	100 / 100	3 ms	464 KiB

messy

#include <vector>

#include "messy.h"
using namespace std;
int N;
void pus(int s,int e)
{
    if(s+1==e)
        return;
    string st;
    int i;
    for(i=0;i<N;i++)
    {
        st.push_back('0');
    }
    for(i=s;i<e;i++)
    {
        st[i]='1';
    }
    for(i=s;i<(e+s)/2;i++)
    {
        st[i]='0';
        add_element(st);
        st[i]='1';
    }
    pus(s,(s+e)/2);
    pus((s+e)/2,e);
}
vector<int>an;
void pus(int s,int e,vector<int>x)
{
    if(s+1==e)
    {
        an[x[0]]=s;
        return;
    }
    string st;
    int i;
    for(i=0;i<N;i++)
    {
        st.push_back('0');
    }
    for(i=0;i<x.size();i++)
    {
        st[x[i]]='1';
    }
    vector<int>l;
    vector<int>r;
    for(i=0;i<x.size();i++)
    {
        st[x[i]]='0';
        int a=check_element(st);
        if(a)
            l.push_back(x[i]);
        else
            r.push_back(x[i]);
        st[x[i]]='1';
    }
    pus(s,(s+e)/2,l);
    pus((s+e)/2,e,r);
}
std::vector<int> restore_permutation(int n, int w, int r)
{
    N=n;
    pus(0,N);
    compile_set();
    vector<int>al;
    int i;
    for(i=0;i<n;i++)
    {
        an.push_back(0);
        al.push_back(i);
    }
    pus(0,N,al);
    return an;
}

Compilation message (stderr)

messy.cpp: In function 'void pus(int, int, std::vector<int>)':
messy.cpp:43:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |     for(i=0;i<x.size();i++)
      |             ~^~~~~~~~~
messy.cpp:49:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   49 |     for(i=0;i<x.size();i++)
      |             ~^~~~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 18 / 18
• Subtask 3: 11 / 11
• Subtask 4: 21 / 21
• Subtask 5: 30 / 30