```cpp
var a1,a2,a3,a4,a5,i,j,es:longint;
ts:string;
function jz(xx,yy:longint):string;
var ss:string;
dd:longint;
begin
ss:='';
repeat
dd:=xx mod yy;
if dd>9 then dd:=dd+55 else dd:=dd+48;
ss:=chr(dd)+ss;
xx:=xx div yy;
until xx=0;
jz:=ss;
end;
function bls(jc:string):boolean;
var i:longint;
begin
bls:=true;
for i:=3 to length(jc) do
if (jc[i]<>jc[i-2])or(jc[i]=jc[i-1]) then begin bls:=false;break;end;
if (jc[1]=jc[2])or(length(jc)<=2) then bls:=false;
end;
begin
read(a1,a2,a3,a4,a5);
for i:=a3 to a4 do
begin
es:=0;
for j:=a1 to a2 do
begin
ts:=jz(i,j);
if bls(ts) then inc(es);
end;
if es=a5 then writeln(i);
end;
end.
为毛超时了。。。
```
by STL_233 @ 2017-08-02 14:17:45
@[MRF233](/space/show?uid=51034) 爆搜肯定超啊
by 夏色祭 @ 2017-08-19 16:26:01