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uses crt;
var n,i,d,dem,kt,t,kt1,t1,t2,t3,max,min,x,j:integer;
a,b:array[1..100]of integer;
st:string;
begin
clrscr;
write('Nhap n='); readln(n);
str(n,st);
d:=length(st);
for i:=1 to d do
val(st[i],a[i],x);
dem:=1;
b[1]:=a[1];
for i:=1 to d do
begin
kt:=0;
for j:=1 to dem do
if a[i]=b[j] then kt:=1;
if kt=0 then
begin
inc(dem);
b[dem]:=a[i];
end;
end;
writeln('Cac chu so cua ',n,' la: ');
for i:=1 to dem do
write(b[i]:4);
writeln;
t:=0;
for i:=1 to d do
t:=t+a[i];
writeln('Tong cac chu so cua ',n,' la: ',t);
kt1:=0;
for i:=2 to trunc(sqrt(t)) do
if t mod i=0 then
begin
kt1:=1;
break;
end;
if (kt1=0) and (t>1) then writeln(t,' la so nguyen to')
else writeln(t,' khong la so nguyen to');
writeln('Cac chu so o vi tri le cua ',n,' la: ');
t1:=0;
for i:=1 to d do
if i mod 2=1 then
begin
write(a[i]:4);
t1:=t1+a[i];
end;
writeln;
writeln('Tong cac chu so o vi tri le la: ',t1);
if trunc(sqrt(t1))=sqrt(t1) then writeln(t1,' la so chinh phuong')
else writeln(t1,' khong la so chinh phuong');
writeln('Cac chu so o vi tri chan cua ',n,' la: ');
t2:=0;
for i:=1 to d do
if i mod 2=0 then
begin
write(a[i]:4);
t2:=t2+a[i];
end;
writeln('Tong cac chu so o vi tri chan la: ',t2);
t3:=0;
for i:=1 to t2 do
if t2 mod i=0 then t3:=t3+i;
if (t3=t2) and (t2>0) then writeln(t2,' la so hoan hao')
else writeln(t2,' khong la so hoan hao');
max:=a[1];
min:=a[1];
for i:=1 to d do
begin
if max<a[i] then max:=a[i];
if min>a[i] then min:=a[i];
end;
writeln('Chu so lon nhat cua ',n,' la: ',max);
writeln('Chu so nho nhat cua ',n,' la: ',min);
writeln('Tong cua chung la: ',max+min);
readln;
end.
#include <bits/stdc++.h>
using namespace std;
string st;
int d,i,kt;
char x,ln;
int main()
{
getline(cin,st);
d=5;
x=st[2];
ln=st[0];
for (i=1; i<=d-1; i++)
if (ln<=st[i]) ln=st[i];
if (ln==x) cout<<"YES";
else cout<<"NO";
return 0;
}
program so_hoan_hao;
var
n, tong_uoc, i: integer;
begin
writeln('Nhap vao mot so nguyen duong n:');
readln(n);
tong_uoc := 0;
for i := 1 to n-1 do
begin
if n mod i = 0 then
tong_uoc := tong_uoc + i;
end;
if tong_uoc = n then
writeln('YES')
else
writeln('NO');
end.
uses crt;
var s,x,i:byte;
n: string;
begin clrscr;
s:=0;
write('Nhap n: ');readln(n);
for i:=1 to length(n) do begin
val(n[i],x); inc(s,x); end;
write('Tong cac chu so cua so do la: ',s);
readln
end.
program TimBoi4ChuSo;
var
n, i: integer;
begin
repeat
writeln('Nhap vao so nguyen n (2<n<100): ');
readln(n);
until (n > 2) and (n < 100);
writeln('Cac boi cua ', n, ' co 4 chu so la: ');
for i := 1000 to 9999 do
begin
if i mod n = 0 then
writeln(i);
end;
end.
Câu 2:
uses crt;
var x,y:int64;
begin
clrscr;
readln(x,y);
writeln(x+y);
readln;
end.
1.
Var i ,n : integer;
S , T : real;
Begin
Write ('n:') ;
Read (n) ;
S:= 0;
T:= 1;
For i:= 1 to n do
S:= S + i;
T:= T * i;
Writeln (' Tong cua ' ,n,' , S );
Writeln (' Tich của ' ,n,', T );
Readln;
End.
2.
program SumAndProductOfNumbers;
var
n, m, i, sum, product: integer;
begin
writeln('Enter the values of n and m: ');
readln(n, m);
sum := 0;
product := 1;
for i := n to m do
begin
sum := sum + i;
product := product * i;
end;
writeln('The sum of numbers from ', n, ' to ', m, ' is: ', sum);
writeln('The product of numbers from ', n, ' to ', m, ' is: ', product);
end.