设有数组定义int a[2][3]={1,2,3,4},则元素a[1][1]的值是?答:a[2][3]={1,2,3,4} 0行:1,2,3 1行:4,0,0 a[1][1]=0
...定义如图所示的一个三行三列的数组,类型为整形,并完成下列各题:_百 ...答:include<stdio.h> int main(){ int i,j,s1=0,s2=0,a[3][3]= {9,8,7,1,2,3,4,5,6},i1=0,j1=0;printf("二维数组:\n");for(i=0; i<3; i++){ s1+=a[i][i];s2+=a[i][2-i];for(j=0; j<3; j++){ printf("%2d",a[i][j]);if(a[i][j]...