Submission #624223

#	Time	Username	Problem	Language	Result	Execution time	Memory
624223		Dan4Life	Unscrambling a Messy Bug (IOI16_messy)	C++17	20 / 100	1 ms	340 KiB

messy

#include <bits/stdc++.h>
#include "messy.h"
using namespace std;
#define all(a) a.begin(),a.end()

bool chk(vector<int> &a, int x, int y){
    int n = (int)a.size();
    string s = "";  bool ok = true;
    for(int i = 0; i < n; i++) s+='0';
    for(int i = n-1; i > 0; i--){
        s[i]='1';
        swap(s[x],s[y]);
        ok&=check_element(s);
        swap(s[x],s[y]);
    }
    return ok;
}

vector<int> restore_permutation(int n, int w, int r) {
    string s = "";
    for(int i = 0; i < n; i++) s+='0';
    for(int i = n-1; i > 0; i--)
        s[i]='1', add_element(s);
    compile_set();
    vector<int> a(n,0); iota(all(a),0);
    for(int i = 0; i < n; i++){
        for(int j = i+1; j < n; j++){
            swap(a[i],a[j]);
            if(chk(a,i,j)) return a;
            swap(a[i],a[j]);
        }
    }
    return a;
}

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