C语言程序经典示例—-（16）求数组前n元素之和

int a[]={1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};

main()

{

int i;

clrscr();

printf(“n The arry is:n”);

for(i=0;i<sizeof(a)/sizeof(a[0]);i++)

printf(” %d “,a[i]);

printf(“n SUM of the arry is: %dn”,sum(a,sizeof(a)/sizeof(a[0])));

printf(“n Press any key to quit…n”);

getch();

}

sum(int a[],int n)

{

if(n<=0)

return 0;

return a[n-1]+sum(a,n-1);

}

 

 

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