1 #include <stdio.h> 2 3 int main() { 4 int a = 2, b = 3, c = b % a;// b % a == 1 5 if (a <= b <= c) { 6 printf("Yes! "); 7 8 } else { 9 printf("No! "); 10 } 11 return 0; 12 } 13 14 Yes! 15 16 Process returned 0 (0x0) execution time : 0.816 s 17 Press any key to continue. 18 19 #include <stdio.h> 20 21 int main() { 22 int a = 2, b = 3, c = b % a;// b % a == 1 23 if (a <= b && b<= c) { 24 printf("Yes! "); 25 26 } else { 27 printf("No! "); 28 } 29 return 0; 30 } 31 32 No! 33 34 Process returned 0 (0x0) execution time : 1.108 s 35 Press any key to continue. 36 37 // C语言里每次比较只能做一个