Submission #1261089

#	Time	Username	Problem	Language	Result	Execution time	Memory
1261089		SzymonKrzywda	Question (Grader is different from the original contest) (CEOI14_question_grader)	C++20	0 / 100	496 ms	39784 KiB

encoder

#include <iostream>
#include <vector>
using namespace std;

bool wygen = 0;
vector<int> liczby;

void gen() {
  wygen = 1;
  const int K = 1 << 12;
  for (int msk = 0; msk < K; msk++) {
    int ile = 0;
    for (int bit = 0; bit < 12; bit++) {
      if ((1 << bit) & msk) ile++;
    }
    if (ile == 6) liczby.push_back(msk);
  }
}


int encode (int n, int x, int y) {
  if (!wygen) gen();
  for (int i = 0; i < 12; i++) {
    if (((1 << i) & liczby[x]) && !((1 << i) & liczby[y])) return i + 1;
  }
}

decoder

#include <iostream>
#include <vector>
using namespace std;

bool wygen = 0;
vector<int> liczby;

void gen() {
	wygen = 1;
	const int K = 1 << 12;
	for (int msk = 0; msk < K; msk++) {
		int ile = 0;
		for (int bit = 0; bit < 12; bit++) {
			if ((1 << bit) & msk) ile++;
		}
		if (ile == 6) liczby.push_back(msk);
	}
}


int decode (int n, int q, int h) {
	if (!wygen) gen();
	h--;
	if (q & (1 << h)) return 1;
	else return 0;
}

Compilation message (stderr)

# 1번째 컴파일 단계

encoder.cpp: In function 'int encode(int, int, int)':
encoder.cpp:26:1: warning: control reaches end of non-void function [-Wreturn-type]
   26 | }
      | ^

• Subtask 1: 0 / 100