题目:
题目太水 不解析
代码:
var a,b:array[0..4] of integer;
n,s,max,i:longint;
begin
read(n);
max:=maxlongint;
for i:=1 to 3 do
begin
read(a[i],b[i]);
s:=n div a[i];
if n mod a[i]<>0 then inc(s);
if s*b[i]<max then max:=s*b[i];
end;
write(max);
end.