听下面一段材料,回答第1-2题。 1.Why does the woman call the man? A. To say sorry to him. B. To borrow some books. C. To ask for help. 2. What is Ben doing? A. Waiting for Amy. B. Cooking in the kitchen. C. Carrying books downstairs.
【简答题】分析程序的上界O和下界W。for i = 0 to m M[0, i] = id for j = 0 to n M[j, 0] = jd for i = 1 to m for j = 1 to n M[i, j] = min(a[xi, yj] + M[i-1, j-1], d + M[i-1, j], d + M[i, j-1]) return M[m, n]该程序时间复杂度的上界是O(_...
【简答题】分析程序的上界O和下界W。for i = 0 to m M[0, i] = id for j = 0 to n M[j, 0] = jd for i = 1 to m for j = 1 to n M[i, j] = min(a[xi, yj] + M[i-1, j-1], d + M[i-1, j], d + M[i, j-1]) return M[m, n]该程序时间复杂度的上界是O(_...