Submission #151995

#	Time	Username	Problem	Language	Result	Execution time	Memory
151995		emaborevkovic	Question (Grader is different from the original contest) (CEOI14_question_grader)	C++14	0 / 100	1139 ms	129216 KiB

encoder

#include <iostream>
#include <vector>

using namespace std;

#define pb push_back

const int N = 1e3+11;
int a[N];
vector <int> v[N];
int brr = 0;
int b[N];

void prek (int pos) {
	if (pos == 12) {
		int br = 0;
		for (int i=0;i<12;i++) br+=a[i];
		if (br != 6) return;
		for (int i=0;i<12;i++) {
			if (a[i]) v[brr].pb(i);
		}
		brr++;
		return;
	}
	a[pos] = 1;
	prek (pos+1);
	a[pos] = 0;
	prek (pos+1);
}

int encode (int n, int x, int y) {
	if (v[0].size() == 0) prek(0);
	for (int i=0;i<6;i++) {
		b[v[x][i]]++;
		b[v[y][i]]--;
	}
	for (int i=0;i<12;i++) {
		if (b[i] == 1) return i+1;
	}
}

decoder

#include <iostream>
#include <vector>

using namespace std;

#define pb push_back

const int N = 1e3+11;
int a[N];
vector <int> v[N];
int brr = 0;
int b[N];

void prek (int pos) {
	if (pos == 12) {
		int br = 0;
		for (int i=0;i<12;i++) br+=a[i];
		if (br != 6) return;
		for (int i=0;i<12;i++) {
			if (a[i]) v[brr].pb(i);
		}
		brr++;
		return;
	}
	a[pos] = 1;
	prek (pos+1);
	a[pos] = 0;
	prek (pos+1);
}

int decode (int n, int q, int h) {
	if (v[0].size() == 0) prek(0);
	h--;
	for (int i=0;i<6;i++) {
		if (v[q][i] == h) return 1;
	}
	return 0;
}

Compilation message (stderr)

encoder.cpp: In function 'int encode(int, int, int)':
encoder.cpp:40:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^

• Subtask 1: 0 / 100