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Bài 1:
uses crt;
var a:array[1..100]of integer;
i,n: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
if a[i] mod 2<>0 then write(a[i]:4);
readln;
end.
Bài 2:
uses crt;
var a:array[1..100]of integer;
i,n: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
if a[i] mod 2=0 then write(a[i]:4);
readln;
end.
Câu 1:
uses crt;
var a:array[1..100]of real;
i,n:integer;
t:real;
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 2=0 then t:=t+a[i];
writeln(t:4:2);
readln;
end.
Câu 2:
uses crt;
var a:array[1..100]of integer;
i,n:integer;
t:real;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
t:=1;
for i:=1 to n do
t:=t*a[i];
writeln(t:4:2);
readln;
end.
Câu 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 2=0 then t:=t+a[i];
writeln(t);
readln;
end.
a) var a:array[1..1000] of integer;
i,k:integer;
p:longint;
begin
write('k = ');readln(k);
p:=1;
for i:=1 to k do
begin
write('Nhap so thu ',i,' = ');readln(a[i]);
if a[i]<30 then p:=p*a[i];
end;
write('Tich la ',p);
readln
end.
b)
var a:array[1..1000] of integer;
i,k:integer;
s:longint;
begin
write('k = ');readln(k);
for i:=1 to k do
begin
write('Nhap so thu ',i,' = ');readln(a[i]);
if a[i]<100 then s:=s+a[i];
end;
write('Tong la ',s);
readln
end.
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;
}
program tinh_tong_va_dem_so_x;
const
MAX = 100;
var
a: array[1..MAX] of integer;
n, tong, x, dem, i: integer;
begin
write('Nhap so phan tu cua mang: ');
readln(n);
for i := 1 to n do
begin
write('Nhap phan tu thu ', i, ': ');
readln(a[i]);
end;
tong := 0;
for i := 1 to n do
begin
tong := tong + a[i];
end;
writeln('Tong cac phan tu trong mang la: ', tong);
write('Nhap gia tri x: ');
readln(x);
dem := 0;
for i := 1 to n do
begin
if a[i] = x then
begin
dem := dem + 1;
end;
writeln('So lan xuat hien cua ', x, ' trong mang la: ', dem);
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('So so nguyen duong la: ',dem1);
writeln('So so nguyen am la: ',dem2);
readln;
end.
uses crt;
var a:array[1..100]of integer;
i,n,k,h,dem,t,dem1,dem2,t1,t2:integer;
begin
clrscr;
for i:=1 to 100 do
begin
write('A[',i,']='); readln(a[i]);
end;
n:=100;
write('Nhap k='); readln(k);
for i:=1 to n do
if a[i]=k then write(i:4);
writeln;
write('Nhap h='); readln(h);
dem:=0;
for i:=1 to n do
if a[i]=h then inc(dem);
writeln(h,' xuat hien ',dem,' lan trong mang');
t:=0;
for i:=1 to n do
t:=t+a[i];
writeln('Tong cac phan tu cua day la: ',t);
dem1:=0;
t1:=0;
dem2:=0;
t2:=0;
for i:=1 to n do
begin
if a[i]>0 then
begin
inc(dem1);
t1:=t1+a[i];
end;
if a[i]<0 then
begin
inc(dem2);
t2:=t2+a[i];
end;
end;
writeln('Co ',dem1,' so duong');
writeln('Tong cac so duong la: ',t1);
writeln('Co ',dem2,' so am');
writeln('Tong cac so am la: ',t2);
readln;
end.
Câu 1:
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;
t:=0;
for i:=1 to n do
t:=t+a[i];
writeln(t);
readln;
end.
Câu 2:
uses crt;
var a:array[1..100]of integer;
i,n,x,dem,kt:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
write('Nhap x='); readln(x);
kt:=0;
dem:=0;
for i:=1 to n do
if a[i]=x then
begin
kt:=1;
write(i:4);
inc(dem);
end;
if kt=0 then writeln('Khong co ',x,' trong day');
writeln(x,' xuat hien ',dem,' lan trong day');
readln;
end.