Submission #794224

#	Time	Username	Problem	Language	Result	Execution time	Memory
794224		Khizri	Unscrambling a Messy Bug (IOI16_messy)	C++17	49 / 100	1 ms	340 KiB

messy

#include "messy.h"
#include <bits/stdc++.h>
using namespace std;
std::vector<int> restore_permutation(int n, int w, int r) {
    string s="";
    for(int i=0;i<n;i++){
        s+='0';
    }
    for(int i=0;i<n-1;i++){
        s[i]='1';
        add_element(s);
    }
    compile_set();
    s="";
    for(int i=0;i<n;i++){
        s+='0';
    }
    vector<int>ans;
    vector<int>idx;
    for(int i=0;i<n;i++){
        idx.push_back(i);
    }
    random_shuffle(idx.begin(),idx.end());
    for(int i=0;i<n-1;i++){
        for(int ij=0;ij<n;ij++){
            int j=idx[ij];
            if(s[j]=='1') continue;
            s[j]='1';
            if(check_element(s)){
                ans.push_back(j);
                break;
            }
            else{
                s[j]='0';
            }
        }
    }
    vector<int>vt(n);
    for(int i=0;i<s.size();i++){
        if(s[i]=='0'){
            ans.push_back(i);
            break;
        }
    }
    for(int i=0;i<n;i++){
        vt[ans[i]]=i;
    }
    return vt;
}

Compilation message (stderr)

messy.cpp: In function 'std::vector<int> restore_permutation(int, int, int)':
messy.cpp:39:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |     for(int i=0;i<s.size();i++){
      |                 ~^~~~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 18 / 18
• Subtask 3: 11 / 11
• Subtask 4: 0 / 21
• Subtask 5: 0 / 30