Submission #652613

#	Time	Username	Problem	Language	Result	Execution time	Memory
652613		MilosMilutinovic	Question (Grader is different from the original contest) (CEOI14_question_grader)	C++14	0 / 100	7091 ms	2268 KiB

encoder

int encode(int n,int x,int y) {
	const int N=925;
	int ff[N][12];
	int tsz=0;
	for (int i=0;i<(1<<12);i++) if (__builtin_popcount(i)==6) {
		++tsz;
		for (int j=0;j<12;j++) if (i>>j&1) ff[tsz][j]=1;
	}
	for (int i=0;i<12;i++) if (ff[x][i]&&!ff[y][i]) return i+1;
}

decoder

const int N=925;
int ff[N][12],tsz;
int decode(int n,int q,int h) {
	for (int i=0;i<(1<<12);i++) if (__builtin_popcount(i)==6) {
		++tsz;
		for (int j=0;j<12;j++) if (i>>j&1) ff[tsz][j]=1;
	}
	return ff[q][h-1];
}

Compilation message (stderr)

encoder.cpp: In function 'int encode(int, int, int)':
encoder.cpp:10:1: warning: control reaches end of non-void function [-Wreturn-type]
   10 | }
      | ^

• Subtask 1: 0 / 100