高精度除以整型数据(integer); 程序如下: programHighPrecision3_Multiply1;
const
fn_inp='hp5.inp';
fn_out='hp5.out';
maxlen=100; { max length of the number }
type
hp=record
len:integer; { length of the number }
s:array[1..maxlen] of integer
{ s[1] is the lowest position
s[len] is the highest position}
end;
var
x,y:hp;
z,w:integer; procedure PrintHP(const p:hp);
var i:integer;
begin
for i:=p.len downto 1 do write(p.s);
end; procedure init;
var
st:string;
i:integer;
begin
assign(input,fn_inp);
reset(input);
readln(st);
x.len:=length(st);
for i:=1 to x.len do { change string to HP }
x.s:=ord(st[x.len+1-i])-ord('0');
readln(z);
close(input);
end; procedure Divide(a:hp;b:integer;var c:hp;var d:integer);
{ c:=a div b ; d:=a mod b }
var i,len:integer;
begin
fillchar(c,sizeof(c),0);
len:=a.len;
d:=0;
for i:=len downto 1 do { from high to low }
begin
d:=d*10+a.s;
c.s:=d div b;
d:=d mod b;
end;
while(len>1) and (c.s[len]=0) do dec(len);
c.len:=len;
end; procedure main;
begin
Divide(x,z,y,w);
end; procedure out;
begin
assign(output,fn_out);
rewrite(output);
PrintHP(y);
writeln;
writeln(w);
close(output);
end; begin
init;
main;
out;
end.
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