C语言中,求二维数组的每一行的和与平均值答:include <stdio.h>#include <string.h>int main(){int i=0,j=0,total=0;float avr=0;int a[3][3] = {{1,2,3},{4,5,6},{7,8,9}};for (i=0;i<3;i++){total=0;for (j=0;j<3;j++){total +=a[i][j];}avr = (float)(total/3.0);printf("sum[%d] aver[%...
用数组实现求10个数的和,,C语言答:include <stdio.h>int main() { int arr[10] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }; int i = 0; int sum = 0; for (i = 0; i < 10; i++) { sum += arr[i]; } printf("the sum is: %d .\n, sum); return 0;} ...
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,...