Submission #189137

#	Time	Username	Problem	Language	Result	Execution time	Memory
189137		TadijaSebez	Question (Grader is different from the original contest) (CEOI14_question_grader)	C++11	0 / 100	1083 ms	113952 KiB

encoder

#include <vector>
std::vector<int> v;
int encode(int n, int x, int y)
{
	if(v.empty()) for(int i=1;v.size()<=920;i++) if(__builtin_popcount(i)==3) v.push_back(i);
	for(int i=0;i<12;i++) if((v[x]>>i&1) && !(v[y]>>i&1)) return i+1;
}

decoder

#include <vector>
std::vector<int> e;
int decode (int n, int q, int h)
{
	if(e.empty()) for(int i=1;e.size()<=920;i++) if(__builtin_popcount(i)==3) e.push_back(i);
	return (e[q]>>(h-1)&1)?1:0;
}

Compilation message (stderr)

encoder.cpp: In function 'int encode(int, int, int)':
encoder.cpp:7:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^

• Subtask 1: 0 / 100