Submission #732010

#	Time	Username	Problem	Language	Result	Execution time	Memory
732010		sentheta	Question (Grader is different from the original contest) (CEOI14_question_grader)	C++17	0 / 100	1785 ms	24228 KiB

encoder

// author : sentheta aka vanwij
#include<iostream>
#include<iomanip>
#include<algorithm>
#include<cassert>
#include<random>
#include<chrono>
#include<cmath>
#include<string>
#include<vector>
#include<bitset>
#include<queue>
#include<stack>
#include<map>
#include<set>
using namespace std;

#define Int long long
#define V vector
#define pii pair<int,int>
#define ff first
#define ss second

#define pow2(x) (1LL<<(x))
#define msb(x) (63-__builtin_clzll(x))
#define bitcnt(x) (__builtin_popcountll(x))

#define nl '\n'
#define _ << ' ' <<
#define all(x) (x).begin(), (x).end()
#define rep(i,a,b) for(int i = (int)(a); i < (int)(b); i++)
#define dbg(x) if(1) cout << "?" << #x << " : " << (x) << endl << flush;

V<int> b;

int encode(int N, int x, int y) {
	if(b.empty()){
		rep(i,0,1<<12) if(bitcnt(i)==6){
			b.push_back(i);
		}
	}
	// dbg(b.size());

	rep(i,0,12) if(!(b[x]>>i&1) && (b[y]>>i&1)){
		return i+1;
	}
	assert(0);
}

decoder

// author : sentheta aka vanwij
#include<iostream>
#include<iomanip>
#include<algorithm>
#include<cassert>
#include<random>
#include<chrono>
#include<cmath>
#include<string>
#include<vector>
#include<bitset>
#include<queue>
#include<stack>
#include<map>
#include<set>
using namespace std;

#define Int long long
#define V vector
#define pii pair<int,int>
#define ff first
#define ss second

#define pow2(x) (1LL<<(x))
#define msb(x) (63-__builtin_clzll(x))
#define bitcnt(x) (__builtin_popcountll(x))

#define nl '\n'
#define _ << ' ' <<
#define all(x) (x).begin(), (x).end()
#define rep(i,a,b) for(int i = (int)(a); i < (int)(b); i++)
#define dbg(x) if(1) cout << "?" << #x << " : " << (x) << endl << flush;

V<int> a;

bool decode(int N, int q, int h) {
	if(a.empty()){
		rep(i,0,1<<12) if(bitcnt(i)==6){
			a.push_back(i);
		}
	}

	h--;
	return a[q]>>h&1;
	assert(0);
}

• Subtask 1: 0 / 100