Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
c:
#include <bits/stdc++.h>
using namespace std;
long long a[1000],n,i;
int main()
{
cin>>n;
for (i=1; i<=n; i++) cin>>a[i];
for (i=1; i<=n; i++)
if (a[i]%2==0) cout<<a[i]<<" ";
return 0;
}
d:
#include <bits/stdc++.h>
using namespace std;
long long a[1000],n,i,nn;
int main()
{
cin>>n;
for (i=1; i<=n; i++) cin>>a[i];
nn=a[1];
for (i=1; i<=n; i++) nn=min(nn,a[i]);
cout<<nn;
return 0;
}
1:
uses crt;
var t,x,i,n:integer;
begin
clrscr;
t:=0;
n:=10;
for i:=1 to n do
begin
readln(x);
t:=t+x;
end;
write(t);
readln;
end.
2:
uses crt;
var dem,x,i,n:integer;
begin
clrscr;
dem:=0;
n:=10;
for i:=1 to n do
begin
readln(x);
if x mod 2=0 then inc(dem);
end;
write(dem);
readln;
end.
3
program Cacsole;
uses crt;
var M, N, i: integer;
begin
clrscr;
write ('Nhap M= '); readln(M);
write ('Nhap N= '); readln(N);
for i := M to N do
if i mod 2 = 1 then
write (i,' ');
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 n,i,s,t,j,max:longint;a,b:array[1..100] of longint;tbc:real;
function snt(n:longint):boolean;
var j:longint;
begin
for j:=2 to trunc(sqrt(n)) do
if n mod j=0 then exit(false);
exit(n>1);
end;
begin
readln(N);
for i:=1 to n do
begin
read (a[i]);
if snt(a[i])=true then
begin
j:=j+1;
b[j]:=a[i];
end;
end;
t:=b[1];
max:=b[1];
for i:=2 to j do
begin
if b[i]>max then max:=b[i];
t:=t+b[i];
write(b[i]:4);
end;
tbc:=t/j;
writeln(S);
writeln(tbc);
writeln(max);
readln;
end.
Bài 1:
uses crt;
var n,i,kt:integer;
begin
clrscr;
write('Nhap n='); readln(n);
kt:=0;
for i:=2 to n-1 do
if n mod i=0 then kt:=1;
if (kt=0) and (n>1) then writeln(n,' la so nguyen to')
else writeln(n,' khong la so nguyen to');
readln;
end.
Bài 2:
uses crt;
var n,i:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
if n mod i=0 then write(i:4);
readln;
end.
program bai_1;
uses crt;
var i,n,j,d,dem:word;
begin
clrscr;
repeat
write('nhap n:');readln(n);
if (n<=0)or(n>=10000)then writeln('so ban nhap khong hop le, ban hay nhap lai:');
until (n>0)and(n<10000);
writeln('cac uoc so la so tu nhien cua ',n,' la:');
for i:=1 to n do
if n mod i=0 then write(i,' ');
writeln;
dem:=0;
for i:=2 to n do
begin
d:=0;
for j:=2 to i div 2 do
if i mod j=0 then inc(d);
if (d=0)and(n mod i=0)then inc(dem);
end;
if dem>0 then writeln('cac uoc so la so nguyen to cua ',n,' la:');
begin
d:=0;
for j:=2 to i div 2 do
if i mod j=0 then inc(d);
if (d=0)and(n mod i=0)then write(i,' ');
end;
if dem=0 then write(0);
readln;
end.
Var i,n,dem:integer;
begin
write('Nhap n = ');readln(n);
for i:=1 to n do
if n mod i = 0 then dem:=dem+1;
if dem=2 then write(n,' la so nguyen to')
else write(n,' khong la so nguyen to');
readln;
end.
#include <bits/stdc++.h>
using namespace std;
int n,kt,t;
int main()
{
cin>>n;
int t=0;
for (int i=1; i<=n; i++)
if (i%2==1) cout<<i<<" ";
cout<<endl;
for (int i=2; i<=n; i++)
{
kt=0;
for (int j=2; j*j<=i; j++)
if (i%j==0) kt=1;
if (kt==0) cout<<i<<" ";
}
return 0;
}
uses crt;
var n,m,i,dem,t,t1,d1:integer;
//chuongtrinhcon
function ktnt(var n:integer):boolean;
var i:integer;
kt:boolean;
begin
kt:=true;
for i:=2 to trunc(sqrt(n)) do
if n mod i=0 then kt:=false;
if (kt=true) then ktnt:=true
else ktnt:=false;
end;
//chuongtrinhchinh
begin
clrscr;
readln(n,m);
if (ktnt(n)=true) then writeln(n,' la so nguyen to')
else writeln(n,' ko la so nguyen to');
dem:=0;
t:=0;
for i:=2 to n do
if (ktnt(i)=true) then
begin
write(i:4);
t:=t+i;
dem:=dem+1;
end;
writeln;
writeln(t,' ',dem);
t1:=0;
d1:=0;
for i:=n to m do
if ktnt(i)=true then
begin
write(i:4);
t1:=t1+i;
inc(d1);
end;
writeln;
writeln(t1,' ',d1);
readln;
end.