版权声明:本文为博主原创文章,转载请说明出处。 https://blog.csdn.net/qq278672818/article/details/84111199
一开始想的情况太多,走了些弯路。
#include<stdio.h>
int main()
{
int i=20000;
int i1,i2;
while(2 == scanf("%d%d",&i1,&i2))
{
if(i2 == 0)
break;
if(i != 20000)
printf(" ");
i1 = i1*i2;
i2 = i2-1;
printf("%d %d",i1, i2);
i = i2;
}
if(i == 20000) printf("0 0");
return 0;
}