Submission #59803

#	Time	Username	Problem	Language	Result	Execution time	Memory
59803		alenam0161	Unscrambling a Messy Bug (IOI16_messy)	C++17	38 / 100	3 ms	512 KiB

messy

#include <vector>
#include "messy.h"
#include <bits/stdc++.h>
using namespace std;
const int N = 4007;
int wh[N];
bool used[N];
std::vector<int> restore_permutation(int n, int w, int r) {
    srand(1572921);
    string s=string(n,'0');
    for(int i=1;i<n;++i){
        string s1=string(i,'1');
        s1+=string(n-i,'0');
        add_element(s1);
    }
    compile_set();
    for(int i=0;i<n-1;++i){
        string sx=s;
        vector<int> l;
        for(int j=0;j<n;++j){
            if(used[j]==0){
                l.push_back(j);
            }
        }
        random_shuffle(l.begin(),l.end());
        for(int j=0;j<l.size();++j){
            string nw=s;
            nw[l[j]]='1';
            if(check_element(nw)==true){
                s[l[j]]='1';
                wh[l[j]]=i;
                used[l[j]]=true;
                break;
            }
        }
    }
    for(int j=0;j<n;++j){
        if(used[j]==0)wh[j]=n-1;
    }
    vector<int> ans;
    for(int i=0;i<n;++i){
       ans.push_back(wh[i]);
    }
    return ans;
}

Compilation message (stderr)

messy.cpp: In function 'std::vector<int> restore_permutation(int, int, int)':
messy.cpp:26:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int j=0;j<l.size();++j){
                     ~^~~~~~~~~

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