i(j<n&&ai]<aj 1)(1)x> al]s=aj:3
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答案:
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1.i(j al]s=aj:3
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2.for(j=2#5ij<=n;j-=2)i(j< n & all< al 1])if(x alila[s]= ali]; s=(3)
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3.(5)aj 1]= temp
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4.设集合S={A0,A1,A2,A3},在S上定义运算⊕:Ai⊕Aj=Ak,k为i j除以4的余数(i,j=0,1,2,3),则满足关系式(x⊕x)⊕A2=A0的x(x∈S)的个数为( )A、4B、3C
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5.Dim M(S, S), S(5) For i=1 To 5 S(i)=0 For j=1 To 5 M(i, j)=i+j S(i)=S(i)+M(i, j) Next j Next i For Each
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6.for (i=n/2; i> =1: iforj=2-5j<=n;j=2i(j< n & a[j] ali])AJJ;S
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7.实序列x(n)的4点DFT X(k)={1, −j, −1, j},则X(4−k)=( ),0≤k≤3。
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8.s = 1For i = 1 To 3 For j = 0 To i - 1 s = s + s * j Next j Print s;Next i
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9.【单选题】下面程序的时间复杂为( )for(i=1,s=0; i<=n; i ) {t=1;for(j=1;j<=i;j )t=t*j;s=s t;}
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10.程序:main(){ int i, j, x;for(i=1; i<=4; i ){ for(j=1; j<=4-i; j )printf(“ ”);for(j=0; j<=2*i 1; j )printf