课后练习4.1

课后习题4.1

/*输入程序实现乘法表*/
#include<stdio.h>
/*主函数，也是C语言程序的入口*/
int main(void){
???
??? int i? = 0 ;//定义循环变量i
??? int j? = 0 ;//定义循环变量j
??? int counter = 0 ;//定义输出表的数据
???
??? printf(" Please input the number you want , Dont forget the sapces !\n");

??? scanf(" %d", &counter);
??? ???
??? for( i = 1 ; i <= counter ; i++){
??? ??? ??? for( j = 1 ; j<= counter ; j++){
??? ??? ??? ??? printf("%d? " ,i * j);
??? ??? ??? }
??? ??? ??? printf("\n");
??? ??? }
???

}