单项选择题 Lincoln Center for the Performing Arts and Columbia University are both located on Broadway.A.对B.错

单项选择题 以下代码的时间复杂度为( )。for(i=1; i<=n; i++){ for(j=1; j<=n; j++) { c[i][j]=0; for(k=1; k<=n; k++) { c[i][j] = c[i][j]+a[i][k]*b[k][j]; } }} A. O(n) B. O(n^2) C. O(n^3) D. O(nlogn)

单项选择题 ABO溶血病好发于O型母亲所生的B型婴儿，A型婴儿次之。之所以好发于B型婴儿是由于B抗原的抗原性大于B抗原。A.对B.错