Submission #26704

#	Time	Username	Problem	Language	Result	Execution time	Memory
26704		grands	Question (Grader is different from the original contest) (CEOI14_question_grader)	C++14	0 / 100	7000 ms	24552 KiB

encoder

//#include <iostream>
//using namespace std;
int encode(int n, int x, int y) {
	unsigned int n1 = (unsigned int)n;
	unsigned int x1 = (unsigned int)x;
	unsigned int y1 = (unsigned int)y;
	unsigned int  h = 0;
	int temp = x;
	int cnt = 1;
	while (true){
		bool N = (n1&((unsigned int)1 << h));
		bool X = (x1&((unsigned int)1 << h));
		bool Y = (y1&((unsigned int)1 << h));
	/*	cout << ((unsigned int)1 << ret) << endl;
		cout << ret % 2 << N << X << Y << endl;*/
		if ((h % 2 == 1) && (N == X) && (X != Y)){
			return h+1;
		}
		if ((h % 2 == 0) && (N == Y) && (X != Y)){
			return h+1;
		}
		h++;
	}
}

decoder

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

int decode(int n, int q, int h) {
	h -= 1;
	unsigned int n1 = (unsigned int)n;
	unsigned int q1 = (unsigned int)q;
	bool N = (n1&((unsigned int)1 << h));
	bool Q = (q1&((unsigned int)1 << h));
	/*	cout << ((unsigned int)1 << ret) << endl;
	cout << ret % 2 << N << X << Y << endl;*/
	if (h % 2 == 1){
		if (N == Q){
			//printf("<1>\n");
			return true;
		}
		else{
			//printf("<2>\n");
			return false;
		}
	}
	else {
		if (N == Q){
			//printf("<3>\n");
			return false;
		}
		else{
			//printf("<4>\n");
			return true;
		}
	}

}

Compilation message (stderr)

encoder.cpp: In function 'int encode(int, int, int)':
encoder.cpp:8:6: warning: unused variable 'temp' [-Wunused-variable]
  int temp = x;
      ^
encoder.cpp:9:6: warning: unused variable 'cnt' [-Wunused-variable]
  int cnt = 1;
      ^

• Subtask 1: 0 / 100