1.
#include void main(){int i,a,n,k=1,s=0;scanf("%d%d",&a,&n);for(i=1;i<=n;i++){k*=a;s+=k;}printf("%d",s);}
2.
#include void main(){int i,n;char str[100];gets(str),n=strlen(str);for(i=0;iif(str[i]>='0'&&str[i]<='9')printf("%d ",i+1);}
这是第九题，一维数组冒泡法排序#include#includemain(){inti,a[10],j,t;for(i=0;i
