uses crt;var n: longint; chrn: string; valn,sum,max,i,preperror: byte;begin write('Nhap so can kiem tra: '); readln(n); str(n,chrn); for i:=1 to length(chrn) do begin val(chrn[i],valn,preperror); sum:=sum+valn; if max<valn then max:=valn; valn:=0 end; writeln('Ket qua: '); writeln(length(chrn)); writeln(sum); write(max); readln;end.uses crt;var n: longint; chrn: string; valn,sum,max,i,preperror: byte;begin write('Nhap so can kiem tra: '); readln(n); str(n,chrn); for i:=1 to length(chrn) do begin val(chrn[i],valn,preperror); sum:=sum+valn; if max<valn then max:=valn; valn:=0 end; writeln('Ket qua: '); writeln(length(chrn)); writeln(sum); write(max); readln;end.
Program HOC24;
var N:longint;
max,tg,t,d: integer;
Begin
write('Nhap N : '); readln(N);
max:=0;
while n<>0 do
begin
tg:=n mod 10;
d:=d+1;
t:=t+tg;
if tg>max then max:=tg;
n:=n div 10;
end;
writeln('So nguyen N co ',d,' chu so');
writeln('Tong cac chu so cua N la : ',t);
write('Chu so lon nhat cua N la :',max);
readln
end.
uses crt;
var n,d,i,t,max,x:longint;
y:integer;
st:string;
begin
clrscr;
repeat
write('Nhap n='); readln(n);
until n>0;
str(n,st);
d:=length(st);
writeln('So chu so cua ',n,' la: ',d);
t:=0;
max:=0;
for i:=1 to d do
begin
val(st[i],x,y);
t:=t+x;
if max<x then max:=x;
end;
writeln('Tong cac chu so cua ',n,' la: ',t);
writeln('Chu so lon nhat cua ',n,' la: ',max);
readln;
end.