Submission #1133450

#	Time	Username	Problem	Language	Result	Execution time	Memory
1133450		mnbvcxz123	Question (Grader is different from the original contest) (CEOI14_question_grader)	C++20	Compilation error	0 ms	0 KiB

encoder

using namespace std;

int sets[925][12];

void Init(int N) {
	for (int i = 0, cnt = 1; i < (1 << 12); i++) {
		if (__builtin_popcount(i) == 6) {
			for (int j = 0; j < 12; j++)
				if (i & (1 << j)) sets[cnt][j] = 1;
				else sets[cnt][j] = 0;
			cnt++;
		}
	}
}

int Alice(int x, int y) {
	for (int i = 0; i < 12; i++)
		if (sets[x][i] && !sets[y][i]) return i + 1;
}

int Bob(int q, int h) { return sets[q][h - 1]; }

decoder

#include "question.h"
using namespace std;

int sets[925][12];

void Init(int N) {
	for (int i = 0, cnt = 1; i < (1 << 12); i++) {
		if (__builtin_popcount(i) == 6) {
			for (int j = 0; j < 12; j++)
				if (i & (1 << j)) sets[cnt][j] = 1;
				else sets[cnt][j] = 0;
			cnt++;
		}
	}
}

int Alice(int x, int y) {
	for (int i = 0; i < 12; i++)
		if (sets[x][i] && !sets[y][i]) return i + 1;
}

int Bob(int q, int h) { return sets[q][h - 1]; }

Compilation message (stderr)

# 1번째 컴파일 단계

encoder.cpp: In function 'int Alice(int, int)':
encoder.cpp:19:1: warning: control reaches end of non-void function [-Wreturn-type]
   19 | }
      | ^
/usr/bin/ld: /tmp/ccrvKObe.o: in function `main':
grader_encode.c:(.text.startup+0x125): undefined reference to `encode(int, int, int)'
collect2: error: ld returned 1 exit status