qfedu-c-level/h7.c at 9bf32f9692e7977dfc5306b46ca1745d39f57933 - qfedu-c-level - Fly Git

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 // 请计算, short n = 112;
 // n &= ~(3 << 4);
 // n的结果是多少？
 #include <stdio.h>
 int main()
 {
     short n = 112;
     n &= ~(3 << 4); // n = n & (~(3 << 4)) = n & (~48) = n & (-49) = n & 65487 = 112 & 65487 = 112
     printf("n = %d\n", n);
     return 0;
 }