제출 #39761

#제출 시각아이디문제언어결과실행 시간메모리
39761krauch비교 (balkan11_cmp)C++14
컴파일 에러
0 ms0 KiB
#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; }

컴파일 시 표준 에러 (stderr) 메시지

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]
 }
 ^