Submission #974251

#	Time	Username	Problem	Language	Result	Execution time	Memory
974251		hirayuu_oj	Unscrambling a Messy Bug (IOI16_messy)	C++17	100 / 100	10 ms	636 KiB

messy

#include<bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0; i<n; i++)
#define all(x) x.begin(),x.end()
using ll=long long;

#include "messy.h"

int mask(int x){
    return (1<<x)-1;
}
std::vector<int> restore_permutation(int n, int w, int r) {
    vector<int> p(n,0);
    int b=0;
    while((1<<b)!=n)b++;
    rep(i,b){
        rep(j,n){
            if(!((j>>i)&1))continue;
            string s="";
            rep(k,n){
                if((j&mask(i))!=(k&mask(i))){
                    s=s+"1";
                }
                else if(j==k){
                    s=s+"1";
                }
                else{
                    s=s+"0";
                }
            }
            add_element(s);
        }
    }
    compile_set();
    rep(i,b){
        rep(j,n){
            string s="";
            rep(k,n){
                if((p[j]&mask(i))!=(p[k]&mask(i))){
                    s=s+"1";
                }
                else if(j==k){
                    s=s+"1";
                }
                else{
                    s=s+"0";
                }
            }
            if(check_element(s)){
                p[j]+=1<<i;
            }
        }
    }
    return p;
}

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