numzero=0; for i=1:nf if flussi(i)==0 numzero=numzero+1; end end注意 问什么if flussi(i)==0 一个不行吗 还有end为什么要2个

numzero=0; for i=1:nf if flussi(i)==0 numzero=numzero+1; end end注意 问什么if flussi(i)==0 一个不行吗 还有end为什么要2个 for(i=0;n int i,j,k,n; for(n=0;n { int i,n=0; for( i=2;i int n=0,i; for(i=2;i pascal For i:=1 to n for i:=n downto 1 执行下面程序段,语句3的执行次数为for( i = 0; i < n-1; i + +)for( j = n; j > i; j + +)state; #define N 20 fun(int a[],int n,int m) {int i; for(i=m;i>n;i--)a[i+1]=a[i]; return m; } void main() #define N 20fun(int a[],int n,int m){int i;for(i=m;i>n;i--)a[i+1]=a[i];return m;}void main(){ int i,a[N]={1,2,3,4,5,6,7,8,9,10};fun(a,0,N/2);for(i=0;i int i,n,t=1;double s=0,d; scanf(%d,&n); for(i=1;i Dim i As Integer,n As Integer For i = 0 To 50 i = i + 3 n = n + 1 If i > 10 Then Exit For Next PriDim i As Integer,n As IntegerFor i = 0 To 50i = i + 3n = n + 1If i > 10 Then Exit ForNextPrint n怎么算 关于一道数据结构计算时间复杂度的问题例题如下:FOR i:=1 TO n DO ----------{n+1} FOR j:=1 TO n DO ----------{n*(n+1)} [ c[i,j]:=0; -------------{n的2次方} FOR k:=1 TO n DO ----------{n的2次方*(n+1)} c[i,j]:=c[i,j]+a[i,k]*b[k, main() { int 1,n=0; for(i=2;i C语言 关于for(i=n-1;i>=0;i--)这个以及以下的这些是什么意思?for(i=n-1;i>=0;i--) {b[j]=a[i];j++;} 关于lingo程序的,sets:A/1..4/:c,b,n;X/A,A/:D;endsetsmin=1.1*n(1)+1.2*n(2)+1.3*n(3)+1.4*n(4);@for(A(i):@sum(A(j):c(i)*D(i,j)=1750);@for(A(i):@sum(A(j):n(i)*D(i,j)=b(i));@for(A(i):@gin(n(i)));@for(A(j):@for(A(i):@gin(D(i,j))));n(1)>n(2);n(2)>n(3);n #includeint main(){int a[1000];int n,i;scanf(%d,&n);for(i = 0;i < n;i ++)scanf(%d,&a[i]);for(i = 0;i < n;i ++)printf(%d ,i[a]);return 0;} free pascal 马鞍数c:array[1..5,1..5] of integer; i,n,y,s:integer;begin y:=0; for n:= 1 to 5 do for i:= 1 to 5 do read (c[n,i]); for n:=1 to 5 do for i:=1 to 5 do begin for s:= 1 to 5 do begin if c[n,i] <= c[n,s] and c[n,i] >= c[s,i] then y:= access 的for循环n=0for i=1 to 3 for j=5 to 1 step -1 n=n+1next j,idebug.print n;j;i根本看不懂啊,