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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.
ko bt lm
Bài 1:
#include <bits/stdc++.h>
using namespace std;
int a,dv,ch;
int main()
{
cin>>a;
dv=a%10;
ch=a/10;
cout<<dv+ch;
return 0;
}
program ct;
uses crt;
var dem,n,s,max,t:longint;
begin
writeln('nhap n:');readln(n);
while n>0 do begin
s:=n mod 10;
t:=t+s;
if max<s then max:=s;
dem:=dem+1;
n:=n div 10;
end;
writeln('tong la',t,',','co',' ',dem,' ','chu so',',','chu so lon nhat la:',max);
readln
end.
bạn xem lại nha mik làm đây nhưng k bt đk
Bài 1:
Program HOC24;
var x,t: byte;
begin
write('Nhap so co 2 chu so: '); readln(x);
t:=(x mod 10)+(x div 10);
write('Tong 2 chu so cua so do la: ',t);
readln
end.
Câu 1:
uses crt;
var n,i,dem,j,kt1,kt2,a,b,kt:integer;
begin
clrscr;
write('Nhap n='); readln(n);
dem:=0;
if n mod 2=1 then
begin
a:=2;
b:=n-a;
kt:=0;
for i:=2 to trunc(sqrt(b)) do
if b mod i=0 then kt:=1;
if kt=0 then inc(dem);
end
else begin
for i:=2 to n div 2 do
begin
a:=i;
b:=n-i;
kt1:=0;
kt2:=0;
for j:=2 to trunc(sqrt(a)) do
if a mod j=0 then kt1:=1;
for j:=2 to trunc(sqrt(b)) do
if b mod j=0 then kt2:=1;
if (kt1=0) and (kt2=0) then inc(dem);
end;
end;
writeln('So cach phan tich ',n,' thanh tong hai so nguyen to la: ',dem);
readln;
end.
Câu 2:
uses crt;
var n,x:integer;
{-----------------ham-kiem-tra-nguyen-to-----------------}
function ktnt(x:integer):boolean;
var kt:boolean;
i:integer;
begin
kt:=true;
for i:=2 to trunc(sqrt(x)) do
if x mod i=0 then
begin
kt:=false;
break;
end;
if kt=true then ktnt:=true
else ktnt:=false;
end;
{---------------ham-kiem-tra-so-doi-xung---------------}
function ktdx(x:integer):boolean;
var kt:boolean;
d,i:integer;
st:string;
begin
str(x,st);
d:=length(st);
kt:=true;
for i:=1 to d do
if st[i]<>st[d-i+1] then
begin
kt:=false;
break;
end;
if kt=true then ktdx:=true
else ktdx:=false;
end;
{--------------chuong-trinh-chinh---------------}
begin
clrscr;
repeat
write('Nhap n='); readln(n);
until n>0;
if (ktnt(n)=true) and (ktdx(n)=true) then writeln(n,' la so nguyen to doi xung')
else writeln(n,' khong la so nguyen to doi xung');
x:=n+1;
repeat
x:=x+1;
until (ktnt(x)=true) and (ktdx(x)=true);
writeln('So nguyen to doi xung nho nhat lon hon ',n,' la: ',x);
readln;
end.
uses crt;
var i,n,d:longint;
begin
d:=0;
writeln('nhapn=');read(n);
for i:=1 to n do
begin
if i mod 3=0 then write(i,' ');
if i mod 3=0 then d:=d+i;
end;
writeln('tong=',d);
readln;
end;
uses crt;
var a:array[1..100]of integer;
i,n,dem1,dem2:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
dem1:=0;
dem2:=0;
for i:=1 to n do
begin
if a[i]>0 then inc(dem1);
if a[i]<0 then inc(dem2);
end;
writeln('Co ',dem1,' so duong');
writeln('Co ',dem2,' so am');
readln;
end.
uses crt;
var n,i,d,t,x,y:integer;
st:string;
begin
clrscr;
write('Nhap n='); readln(n);
str(n,st);
d:=length(st);
t:=0;
for i:=1 to d do
begin
val(st[i],x,y);
t:=t+x;
end;
writeln(n,' co ',d,' chu so');
writeln('Tong cac chu so cua ',n,' la: ',t);
readln;
end.
Program HOC24;
var n,i,d,t: integer;
begin
write('Nhap n:'); readln(n);
while n<>0 do
begin
t:=t+(n mod 10);
d:=d+1;
n:=n div 10;
end;
writeln('Co ',d,' so chu so');
write('Tong cac chu so la : ',t );
readln
end.