• 2022-06-09
    ‍下面程序的输出结果是( )。‎‍m=5‎‍while(m==0):‎‍ m-=1‎‍print(m)‎
    A: 0
    B: 4
    C: 5
    D: -1
  • C

    内容

    • 0

      ‍已知m=0,以下程序段的输出结果为:​‍for i in range(5):​‍ for j in range(10):​‍ m+=1;​‍print(m);​‍​ A: 15; B: 50; C: 5; D: 10

    • 1

      矩阵[left[ {egin{array}{*{20}{c}} {m{0}}&{m{0}}&{m{5}}&{m{2}}\ {m{0}}&{m{0}}&{m{2}}&{m{1}}\ {m{4}}&{m{2}}&{m{0}}&{m{0}}\ {m{1}}&{m{1}}&{m{0}}&{m{0}} end{array}} ight]]的逆矩阵为 ()

    • 2

      矩阵[left[ {egin{array}{*{20}{c}} { m{0}}&{ m{0}}&{ m{5}}&{ m{2}}\ { m{0}}&{ m{0}}&{ m{2}}&{ m{1}}\ { m{4}}&{ m{2}}&{ m{0}}&{ m{0}}\ { m{1}}&{ m{1}}&{ m{0}}&{ m{0}} end{array}} ight]]的逆矩阵为 ( ) </p></p>

    • 3

      设int m;,与while(!m)等价的是( ) A: while(m!=0) B: while(m==1) C: while(m==0) D: while(m!=1)

    • 4

      ‍已知m=0,以下程序段的输出结果为:​‍for i in range(1,8,2):​‍ for j in range(3,10,2):​‍ m+=1;​‍print(m);​‍​ A: 15; B: 16; C: 5; D: 6