输出： 3.

#include<stdio.h> void main() {

int i,j,k,c[20],a[20]={1,4,7,17,23,0}; int b[20]={2,6,9,10,15,24,45,72,81,92,0}; i=j=k=0;

while((a[i]!=0)&&(b[j]!=0) {

if(a[i]<b[j]) { else {

c[k]=b[j]; j++;} c[k]=a[i]; i++;}

k++; } if(a[i]= =0)

while(b[j]!=0) c[k++]=b[j++]; if(b[j]= =0)

while(a[i]!=0) c[k++]=a[i++]; c[k]=0; k=0;

while(c[k]!=0) printf(“%d,”,c[k++]);

}

输出： 4.

#include<stdio.h> int len(int m)