Submission #26404

#	Time	Username	Problem	Language	Result	Execution time	Memory
26404		zscoder	Question (Grader is different from the original contest) (CEOI14_question_grader)	C++14	27 / 100	1849 ms	27480 KiB

encoder

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
 
using namespace std;
using namespace __gnu_pbds;
 
#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define fbo find_by_order
#define ook order_of_key
 
typedef long long ll;
typedef pair<ll,ll> ii;
typedef vector<ll> vi;
typedef long double ld; 
typedef tree<ll, null_type, less<ll>, rb_tree_tag, tree_order_statistics_node_update> pbds;
typedef set<ll>::iterator sit;
typedef map<ll,ll>::iterator mit;

const int C = 12;
int encode (int n, int x, int y) 
{
	for(int i = 0; i < C; i++)
	{
		int b1 = 0; int b2 = 0;
		if(x&(1<<i)) b1=1;
		if(y&(1<<i)) b2=1;
		if(b1!=b2) 
		{
			if(b1) return 2*i+1;
			else return 2*i+2;
		}
	}
}

decoder

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
 
using namespace std;
using namespace __gnu_pbds;
 
#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define fbo find_by_order
#define ook order_of_key
 
typedef long long ll;
typedef pair<ll,ll> ii;
typedef vector<ll> vi;
typedef long double ld; 
typedef tree<ll, null_type, less<ll>, rb_tree_tag, tree_order_statistics_node_update> pbds;
typedef set<ll>::iterator sit;
typedef map<ll,ll>::iterator mit;

int decode (int n, int q, int h) 
{
	h--;
	if(q&(1<<(h/2)))
	{
		return (h&1)^1;
	}
	else
	{
		return (h&1);
	}
}

Compilation message (stderr)

encoder.cpp: In function 'int encode(int, int, int)':
encoder.cpp:37:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^

• Subtask 1: 27 / 100