3、)/(1+x*MONTHS);}printf("%.2f",deposit);return0;}1378求平均数Description求n个元素的整型数组的平均数。Input首先输入一个非负整数n(n<=1000),然后是n个整数。Output输出为一个实数,即n个整数的平均数,结果保留两位小数,单独占一行。SampleInput512345SampleOutput3.00#includeintmain(){inta[1100],n,i,sum;sum=0;doubleA;scanf("%d",&n);for(i=0;i
4、intmain(){inta,i,sum;sum=0;for(i=1;;i++
5、){scanf("%d",&a);if(a>0)sum=sum+a;elsebreak;}printf("%d%d",sum,i-1);return0;}1368、#includeintmain(){unsignedlongintn,sum,a;intm;scanf("%d",&n);a=1;sum=0;for(m=1;sum<=n;m++){sum=sum+a;a=a*m;}printf("m<=%d",m-3);return0;}1369、#includeintmain(){intm,n,i,j
6、,k,flag=0;scanf("%d%d",&m,&n);for(i=0;i<=m;i++){for(j=0;j<=m;j++){k=m-i-j;if(3*i+2*j+k==n){flag=1;printf("%d%d%d",i,j,k);}}}if(flag==0)printf("Noanswer");return0;}1370、#includeintmain(){longn,x=0,a=1;inti;scanf("%ld",&n);n=30*n*10000;for(i=1;i<=30;i++){x=x+a;a=
7、2*a;}x=x/100;printf("%ld%ld",x,n);return0;}1371、#include"stdio.h"intmain(){inth,m,n,i,p=1;scanf("%d%d%d",&h,&m,&n);for(i=1;1<5;i++){h=h-m;if(h>0){p++;h=h+n;}elsebreak;}printf("%d",p);return0;}(2)#includeintmain(){inth,m,n,i,p=1;scanf("%d%d%d",&h,&m,&n);for(i=1;
8、;i++){h=h-m;if(h>0){p++;h=h+n;}elsebreak;}printf("%d",p);return0;}1372、#include<