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Câu 1:
#include <bits/stdc++.h>
using namespace std;
long long n;
int main()
{
cin>>n;
int t=0;
while (n>0)
{
int x=n%10;
t=t+x;
n=n/10;
}
cout<<t;
return 0;
}
uses crt;
var x,y:integer;
begin
clrscr;
write('Nhap x='); readln(x);
write('Nhap y='); readln(y);
if x>y then writeln(x-y)
else writeln(x+y);
readln;
end.
uses crt;
var x,y:integer;
begin
clrscr;
write('Nhap x='); readln(x);
write('Nhap y='); readln(y);
if x>y then writeln(x-y)
else writeln(x+y);
readln;
end.
Bài 1:
uses crt;
var a:array[1..200]of integer;
i,n,t:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
t:=0;
for i:=1 to n do
if a[i] mod 5=0 then t:=t+a[i];
writeln('Tong cac so chia het cho 5 la: ',t);
readln;
end.
Bài 2:
uses crt;
var st:string;
d,i:integer;
begin
clrscr;
write('Nhap xau:'); readln(st);
d:=length(st);
for i:=1 to d do
if st[i]=#32 then delete(st,i,1);
writeln(st);
readln;
end.
Bài 2:
#include <bits/stdc++.h>;
using namespace std;
int main();
{
long m,n;
cout<<"Nhap m="; cin>>m;
cout<<"Nhap n="; cin>>n;
cout<<m*n-2;
return 0;
}
Câu 1:
var a:array[1..100]of integer;
Câu 2:
uses crt;
var a:array[1..10]of integer;
i:integer;
begin
clrscr;
for i:=1 to 10 do
begin
write('A[',i,']='); readln(a[i]);
end;
for i:=1 to 10 do
write(a[i]:4);
readln;
end.
Câu 3:
uses crt;
var a:array[1..15]of integer;
i,n,t:integer;
begin
clrscr;
repeat
write('Nhap n='); readln(n);
until (0<n) and (n<=15);
for i:=1 to n do
begin
repeat
write('A[',i,']='); readln(a[i]);
until a[i]<=100;
end;
writeln('Mang da nhap la: ');
for i:=1 to n do
write(a[i]:4);
writeln;
t:=0;
for i:=1 to n do
if a[i] mod 3=0 then t:=t+a[i];
writeln('Tong cac phan tu chia het cho 3 la: ',t);
writeln('Cac so chan o vi tri le trong day la: ');
for i:=1 to n do
if (a[i] mod 2=0) and (i mod 2=1) then write(a[i]:4);
readln;
end.
Program HOC24;
var m,i,d: integer;
a: array[1..32000] of integer;
begin
write('Nhap m= '); readln(m);
for i:=1 to m do
begin
write('A[',i,']='); readln(a[i]);
end;
write('Nhap X = '); readln(x);
d:=0;
for i:=1 to n do if a[i]=x then d:=d+1;
write(X,' xuat hien ',d,' lan trong mang');
readln
end.
#include <bits/stdc++.h>
using namespace std;
double x;
int main()
{
cin>>x;
if (x>0) cout<<"X la so duong";
else cout<<"X la so am";
return 0;
}
uses crt;
var a:array[1..100]of integer;
i,n,t:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
for i:=1 to n do
write(a[i]:4);
writeln;
t:=0;
for i:=1 to n do
if a[i] mod 7=0 then t:=t+a[i];
writeln('Tong cac so chia het cho 7 la: ',t);
readln;
end.
Program HOC24;
var i,n,x: integer
fx,f: longint;
begin
write('Nhap x: '); readln(x);
fx:=1;
for i:=1 to 10 do
begin
fx:=fx*x;
if i=5 then f:=fx;
end;
fx:=fx+f+1;
write('f(',x,')=',fx);
readln
end.