Submission #246149

#	Time	Username	Problem	Language	Result	Execution time	Memory
246149		LittleFlowers__	Unscrambling a Messy Bug (IOI16_messy)	C++17	20 / 100	6 ms	384 KiB

messy

#include <bits/stdc++.h>
using namespace std;
#define in ({int x=0;int c=getchar(),n=0;for(;!isdigit(c);c=getchar()) n=(c=='-');for(;isdigit(c);c=getchar()) x=x*10+c-'0';n?-x:x;})
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int rnd(int l,int r){return l+rng()%(r-l+1);}
#define fasty ios_base::sync_with_stdio(0),cin.tie(0);
#define forinc(a,b,c) for(int a=b,_c=c;a<=_c;++a)
#define fordec(a,b,c) for(int a=b,_c=c;a>=_c;--a)
#define forv(a,b) for(auto&a:b)
#define fi first
#define se second
#define pb push_back
#define ii pair<int,int>
#define mt make_tuple
#define all(a) a.begin(),a.end()
#define reset(f, x) memset(f, x, sizeof(f))
#define gg exit(0);
 
#include "messy.h"
 
vector<int> restore_permutation(int n,int w,int r){
    string s;
    forinc(i,1,n) s+="0";
    forinc(i,1,n){
        s[i-1]='1';
        add_element(s);
    }
  	vector<int> val(n);
    iota(all(val),1);
    shuffle(all(val),rng);
    compile_set();
    vector<int> pos(n), dd(n);
    s.clear();
    forinc(i,1,n) s+="0";
    forinc(i,1,n){
        forv(j,val) if(!dd[j-1]){
            s[j-1]='1';
          	r--;
          	if(r<0) exit(-1);
            if(check_element(s)){
                pos[i-1]=j-1;
                dd[j-1]=1;
                break;
            }
            s[j-1]='0';
        }
    }
    return pos;
}

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