有二维数组a[3][4]={1到12}现从键盘任意输入一个整数n编程使用数组指针p...答:int main(){ int i,j,k,n,a[3][4]={1,2,3,4,5,6,7,8,9,10,11,12};printf("输入n:");scanf("%d",&n);k=0;for(i=0;i<3;i++)for(j=0;j<4;j++)if(a[i][j]==n){ printf("下标:%d,%d\n",i,j);k++;} if(!k) printf("n不包含在数组a中\n");return...