c语言 求一数组中的非素数之和。 例如:数组a的元素是2,3,5,7,8,9...答:include <math.h> include <conio.h> include <stdio.h> prime( int m ){ int j,k,f;k=sqrt(m);for(j=2;j<=k;j++)if( m % j == 0 )/***found***/ ___break___;if( j >= k+1 ) f=1;else f=0;return (f);} main(){ int a[12]={2,3,5,7,8,9,10,...