답안 #229267

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
229267	2020-05-04T02:35:59 Z	super_j6	질문 (CEOI14_question_grader)	C++14	컴파일 오류	0 ms	0 KB

encoder

#include <iostream>
#include <cstdio>
#include <algorithm>
using namespace std;
#define endl '\n'
#define ll long long
#define pi pair<int, int>
#define f first
#define s second

const int maxn = 920;
int a[maxn];

int encoder(int n, int x, int y){
    x--, y--;
    if(!a[0]) for(int i = 0, j = 0; i < n; i++, j++){
        while(__builtin_popcount(j) != 6) j++;
        a[i] = j;
    }
    return __lg(a[x] & (a[x] ^ a[y])) + 1;
}

decoder

#include <iostream>
#include <cstdio>
#include <algorithm>
using namespace std;
#define endl '\n'
#define ll long long
#define pi pair<int, int>
#define f first
#define s second

const int maxn = 920;
int a[maxn];

int decode(int n, int x, int y){
    x--, y--;
    if(!a[0]) for(int i = 0, j = 0; i < n; i++, j++){
        while(__builtin_popcount(j) != 6) j++;
        a[i] = j;
    }
    return (a[x] >> y) & 1;
}

Compilation message

/tmp/ccrLq6W4.o: In function `main':
grader_encode.c:(.text.startup+0x10a): undefined reference to `encode(int, int, int)'
collect2: error: ld returned 1 exit status