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Bài 1:
Program HOC24;
var i,n,d : byte;
t: integer;
begin
write('Nhap N: '); readln(n);
for i:=1 to n do
begin
write('Nhap phan tu thu ',i,' : '); readln(a[i]);
end;
for i:=1 to n do if (a[i] mod 3=0) and (a[i] mod 5=0) then
begin
d:=d+1;
t:=t+a[i];
end;
writeln('Co ',d,' phan tu la boi cua 3 va 5');
write('Tong la: ',t);
readln
end.
Bài 2:
Program HOC24;
var i,n,k : byte;
begin
write('Nhap N: '); readln(n);
for i:=1 to n do
begin
write('Nhap phan tu thu ',i,' : '); readln(a[i]);
end;
write('Nhap k: '); readln(k);
for i:=1 to n do if a[i]=k then d:=d+1;
writeln('Co ',d,' phan tu bang ',k);
Write('Cac chi so do la: ');
for i:=1 to n do if a[i]=k then write(i,' ');
readln
end.
var n,i,k,d: integer;
a:array[1..52] of integer;
begin
write('Nhap so N: '); readln(n);
for i:=1 to n do
begin
write('a[',i,'] = '); readln(a[i]);
end;
write('Nhap so k: '); readln(k);
d:=0;
for i:=1 to n do
if a[i] mod k = 0 then d:=d+1;
writeln('Co ',d,' so chia het cho ',k,' trong day');
if d mod 2 = 0 then writeln('Chan') else writeln('Le');
end.
uses crt;
var a:array[1..52]of integer;
i,n,k,dem:integer;
begin
clrscr;
repeat
write('Nhap n='); readln(n);
until (0<n) and (n<=52);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
write('Nhap k='); readln(k);
dem:=0;
for i:=1 to n do
if a[i] mod k=0 then inc(dem);
writeln('Trong day co ',dem,' so chia het cho ',k);
if dem mod 2=0 then writeln('So luong so chia het cho ',k,' la so chan')
else writeln('So luong so chia het cho ',k,' la so le');
readln;
end.
uses crt;
var a,vtmax,vtmin:array[1..100]of integer;
n,i,max,min,dem,t,dem1,t1,dem2,t2,dem3,t3,dem4,t4,k:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
max:=a[1];
for i:=1 to n do
if max<a[i] then max:=a[i];
writeln('So lon nhat trong day la: ',max);
dem:=0;
t:=0;
for i:=1 to n do
if max=a[i] then
begin
inc(dem);
t:=t+a[i];
vtmax[dem]:=i;
end;
if dem>1 then
begin
writeln('Tong cac so max la: ',t);
writeln('Cac vi tri co so max la: ');
for i:=1 to dem do
write(vtmax[i]:4);
end;
min:=a[1];
for i:=1 to n do
if min>a[i] then min:=a[i];
writeln('So nho nhat trong day la: ',min);
dem1:=0;
t1:=0;
for i:=1 to n do
if min=a[i] then
begin
inc(dem1);
t1:=t1+a[i];
vtmin[dem1]:=i;
end;
if dem1>1 then
begin
writeln('Tong cac so min la: ',t1);
writeln('Cac vi tri co so min la: ');
for i:=1 to dem1 do
write(vtmin[i]:4);
end;
write('Nhap k='); readln(k);
dem2:=0;
t2:=0;
for i:=1 to n do
if (i mod 2=0) and (a[i] mod k=0) then
begin
dem2:=dem2+1;
t2:=t2+a[i];
end;
writeln('So phan tu o vi tri chan trong day la boi cua ',k,' la: ',dem2);
writeln('Tong cac so o vi tri chan trong day la boi cua ',k,' la: ',t2);
dem3:=0;
t3:=0;
for i:=1 to n do
if (i mod 2=1) and (k mod a[i]=0) then
begin
inc(dem3);
t3:=t3+a[i];
end;
writeln('So phan tu o vi tri le trong day la uoc cua ',k,' la: ',dem3);
writeln('Tong cac so o vi tri le trong day la uoc cua ',k,' la: ',t3);
dem4:=0;
t4:=0;
for i:=1 to n do
if (a[i]+k=1) or (a[i]=k+1) then
begin
inc(dem4);
t4:=t4+a[i];
end;
writeln('So phan tu la anh em cua ',k,' trong day la: ',dem4);
writeln('Tong cac phan tu la anh em cua ',k,' trong day la: ',t4);
readln;
end.
uses crt;
var a:array[1..1000]of integer;
i,n,k,dem:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
write('Nhap k='); readln(k);
for i:=1 to n do
if a[i]=k then
begin
writeln(i);
break;
end;
dem:=0;
for i:=1 to n do
if a[i]=k then inc(dem);
if dem>0 then writeln('Co ',dem,' phan tu bang ',k)
else writeln('Khong co phan tu nao bang ',k);
readln;
end.
Bài 2:
#include <bits/stdc++.h>
using namespace std;
string st;
int d;
int main()
{
getline(cin,st);
d=st.length();
cout<<d;
return 0;
}
Bài 1:
Var so,i,n,dem:integer;
Begin
Write('Nhap so luong so n = ');readln(n);
For i:=1 to n do
Begin
Write('Nhap so thu ',i);readln(so);
If so mod 2 = 0 then dem:=dem+1;
End;
Write('Co ',dem,' so chan');
Readln;
End.
Bài 2:
Var st:string;
Begin
Write('Nhap vao xau ki tu ');readln(st);
Write(' Xau vua nhap co do dai la ',length(st));
Readln;
End.
a:
#include <bits/stdc++.h>
using namespace std;
long long n,i,a[10000];
int main()
{
cin>>n;
for (i=1;i<=n; i++)
cin>>a[i];
for (i=1; i<=n; i++)
cout<<a[i]<<" ";
return 0;
}
#include <bits/stdc++.h>
using namespace std;
long long i,n,k,dem,x;
int main()
{
cin>>n>>k;
dem=0;
for (i=1; i<=n; i++)
{
cin>>x;
if (x==k) dem++;
}
cout<<dem;
return 0;
}
uses crt;
var a:array[1..100]of integer;
i,n,dem,k:integer;
begin
clrscr;
write('n='); readln(n);
for i:=1 to n do
begin
write('a[',i,']='); readln(a[i]);
end;
{---------------------xu-ly------------------------}
write('nhap k='); readln(k);
dem:=0;
for i:=1 to n do
if a[i]=k then inc(dem);
writeln('so khoa ',k,' trong day la: ',dem);
readln;
end.