一道C++题目,求详解
一道C++题目,求详解
日期:2013-12-27 12:29:34 人气:1
#defineN 2说明N =2;
#defineM N+1 说明M = N+1 = 3;
#defineNUM (M+1)*M/2 说明NUM = (M+1)*M/2 = (3+1)*3/2 = 6;
for(i =1;i<=NUM;i++)这句是控制循环次数的,i从1开始执行第一次,执行到i =6,所以循环次数应该是6次,所以答案应该是A
一道C++题目,求详解