Submission #39761

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
39761	2018-01-18T09:28:49 Z	krauch	cmp (balkan11_cmp)	C++14	Compilation error	0 ms	0 KB

cmp

#include "cmp.h"

#define forn(x, a, b) for (int x = a; x <= b; ++x)
#define for1(x, a, b) for (int x = a; x >= b; --x)

bool bit(int mask, int i) {
    return (mask >> i) & 1;
}

void remember(int n) {
    forn(i, 0, 11) {
        if (bit(n, i)) bit_set(i + 1);
        else bit_set(12 + i + 1);
    }
}

int compare(int b) {
    int cnt = 0;
    forn(i, 0, 11) {
        cnt += bit(b, i);
    }
    int q = 1, pos = 0;
    if (cnt > 6) {
        q = -1;
        pos = 12;
        b ^= (1 << 12) - 1;
    }
    forn(i, pos, pos + 11) {
        a += (bit_get(i + 1) << i);
    }
    if (a == b) return -1;
}

Compilation message

cmp.cpp: In function 'int compare(int)':
cmp.cpp:29:9: error: 'a' was not declared in this scope
         a += (bit_get(i + 1) << i);
         ^
cmp.cpp:31:9: error: 'a' was not declared in this scope
     if (a == b) return -1;
         ^
cmp.cpp:32:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^