^画※哲^

摘要： 谁能帮忙解释下这段代码？帮忙注释下可以...本人不咋看得懂，求高人指点下。#include <stdio.h>#include <stdlib.h>#include <string.h>#include <time.h>#define N 21void ncf();void fun();int z[10][N+1];void main(){ int start=time(NULL); int end; printf("程序开始运行！\n"); ncf(); fun(); end=time(NULL); printf(" 阅读全文