C语言基础:if条件语句使用演示
#include <stdio.h> void main () { int age = 21; int height = 73; if (age == 21) printf("User's age is 21\n"); if (age != 21) printf("User's age is not 21\n"); if (height == 73) printf("User's height is 73\n"); if (height != 73) printf("User's height is not 73\n"); }