Submission #83857

#	Time	Username	Problem	Language	Result	Execution time	Memory
83857		faceless	Question (Grader is different from the original contest) (CEOI14_question_grader)	C++14	Compilation error	0 ms	0 KiB

encoder

int numbit (int mask) {
	int ret = 0;
	while (mask) {
		mask -= mask & -mask;
		ret ++;
	}
	return ret;
}

int to[2000];

int encoder (int n, int x, int y){
	int tmp = 1;
	for (int mask = 0; mask < (1 << 12); mask ++) {
		if (numbit (mask) == 6) {
			to[tmp ++] = mask;
		}
	}
	for (int i = 0; i < 12; i++) {
		if (to[x] & (1 << i) and (to[y] & (1 << i)) == 0)
			return i + 1;
	}
}

decoder

int numbit (int mask) {
	int ret = 0;
	while (mask) {
		mask -= mask & -mask;
		ret ++;
	}
	return ret;
}

int to[2000];

int decoder (int n, int q, int h){
	int tmp = 1;
	for (int mask = 0; mask < (1 << 12); mask ++) {
		if (numbit (mask) == 6) {
			to[tmp ++] = mask;
		}
	}

	int mask = to[q];
	if (mask & (1 << (h - 1)))
		return 1;
	return 0;
}

Compilation message (stderr)

encoder.cpp: In function 'int encoder(int, int, int)':
encoder.cpp:23:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
/tmp/ccegYaXc.o: In function `main':
grader_encode.c:(.text.startup+0x10a): undefined reference to `encode(int, int, int)'
collect2: error: ld returned 1 exit status

/tmp/ccDCEVIi.o: In function `main':
grader_decode.c:(.text.startup+0x19f): undefined reference to `decode(int, int, int)'
collect2: error: ld returned 1 exit status