Submission #564824

#	Time	Username	Problem	Language	Result	Execution time	Memory
564824		birthdaycake	질문 (CEOI14_question_grader)	C++14	Compilation error	0 ms	0 KiB

encoder

int b[950];

void cal(){
    b[0] = 1;
    int num = 1;
    for(int i = 0; i < 950; i++){
        if(__builtin_popcount(i) == 6) b[num++] = i;
    }
}

int encoder(int n, int x, int y) {
    if(b[0] == 1) cal();
    for(int i = 0; i < 12; i++){
        if((b[x] & (1 << i)) && !(b[y] & (1 << i))){
            return i;
        }
    }
    return 1;
}

decoder

int b[950];

void cal(){
    b[0] = 1;
    int cnt = 1;
    for(int i = 0; i < 950; i++){
        if(__builtin_popcount(i) == 6) b[cnt++] = i;
    }
}

int decoder(int n, int q, int h) {
    if(b[0] == 0) cal();
    if(b[q] & (1 << h)) return 1;
    return 0;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/cc8noNTb.o: in function `main':
grader_encode.c:(.text.startup+0x129): undefined reference to `encode(int, int, int)'
collect2: error: ld returned 1 exit status

/usr/bin/ld: /tmp/ccJwDwlU.o: in function `main':
grader_decode.c:(.text.startup+0x22f): undefined reference to `decode(int, int, int)'
collect2: error: ld returned 1 exit status