编写程序,输入两正整数m和n(1<=m,n<=6),然后输入该m行n列距阵a中的元...答:include<stdio.h> int main(){ int m,n,i,j,x;int a[6][6];printf("Enter m and n:");scanf("%d%d",&m,&n);for(i=0;i<m;i++){ x=0;for(j=0;j<n;j++){ scanf("%d",&a[i][j]);x=x+a[i][j];} printf("第%d行元素和为%d",i,x);} return 0;} ...