s=0,for i=1 to 5,for j=1 to i,for k=j to 4,s=s+1,next k,next j,next i,msgbox s,求详解s= 0For i = 1 To 5For j = 1 To iFor k = j To 4 s = s + 1Next k Next j Next iMsgBox sA.4 B.5 C.38 D.40自己算的和四个选项都不一样.
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![s=0,for i=1 to 5,for j=1 to i,for k=j to 4,s=s+1,next k,next j,next i,msgbox s,求详解s= 0For i = 1 To 5For j = 1 To iFor k = j To 4 s = s + 1Next k Next j Next iMsgBox sA.4 B.5 C.38 D.40自己算的和四个选项都不一样.](/uploads/image/z/6266105-17-5.jpg?t=s%3D0%2Cfor+i%3D1+to+5%2Cfor+j%3D1+to+i%2Cfor+k%3Dj+to+4%2Cs%3Ds%2B1%2Cnext+k%2Cnext+j%2Cnext+i%2Cmsgbox+s%2C%E6%B1%82%E8%AF%A6%E8%A7%A3s%3D+0For+i+%3D+1+To+5For+j+%3D+1+To+iFor+k+%3D+j+To+4+s+%3D+s+%2B+1Next+k+Next+j+Next+iMsgBox+sA.4+B.5+C.38+D.40%E8%87%AA%E5%B7%B1%E7%AE%97%E7%9A%84%E5%92%8C%E5%9B%9B%E4%B8%AA%E9%80%89%E9%A1%B9%E9%83%BD%E4%B8%8D%E4%B8%80%E6%A0%B7.)
s=0,for i=1 to 5,for j=1 to i,for k=j to 4,s=s+1,next k,next j,next i,msgbox s,求详解s= 0For i = 1 To 5For j = 1 To iFor k = j To 4 s = s + 1Next k Next j Next iMsgBox sA.4 B.5 C.38 D.40自己算的和四个选项都不一样.
s=0,for i=1 to 5,for j=1 to i,for k=j to 4,s=s+1,next k,next j,next i,msgbox s,求详解
s= 0
For i = 1 To 5
For j = 1 To i
For k = j To 4
s = s + 1
Next k
Next j
Next i
MsgBox s
A.4 B.5 C.38 D.40
自己算的和四个选项都不一样.
s=0,for i=1 to 5,for j=1 to i,for k=j to 4,s=s+1,next k,next j,next i,msgbox s,求详解s= 0For i = 1 To 5For j = 1 To iFor k = j To 4 s = s + 1Next k Next j Next iMsgBox sA.4 B.5 C.38 D.40自己算的和四个选项都不一样.
实际就是看s一共运行了多少次.这个并不难的.一共三层for语句,算出第三层for语句运行多少次就行了.
i=1时,j=1时s运行4次;
i=2,j=1,s运行4次;j=2,s运行3次;
i=3,j=1,s运行4;j=2,s运行3;j=3,s运行2
i=4,j=1,s运行4;j=2,s运行3;j=3,s运行2;j=4,s运行1
i=5,j=1,s运行4;j=2,s运行3;j=3,s运行2;j=4,s运行1;j=5,s运行0
4*5+3*4+2*3+1*2=20+12+6+2=40
所以选择D