counst china=30,alianqu=0;
i,j:integer;
for i:=alianqu to china do
for j:=i to china do
showmessage(inttostr(j)+":"+inttostr(i))Answer is:
0:0
1:0
2:0
...
30:0
1:1
2:1
3:1
...
30:1
2:2
3:2
...
30:30
i,j:integer;
for i:=alianqu to china do
for j:=i to china do
showmessage(inttostr(j)+":"+inttostr(i))Answer is:
0:0
1:0
2:0
...
30:0
1:1
2:1
3:1
...
30:1
2:2
3:2
...
30:30
解决方案 »
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