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uses crt;
var a:array[1..100]of integer;
i,n,dem,k: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);
dem:=0;
for i:=1 to n do
if a[i]=k then inc(dem);
writeln('Trong day co ',dem,' phan tu co gia tri bang ',k);
readln;
end.
uses crt;
var a:array[1..100]of integer;
i,n,dem,dem1,dem2,t:integer;
s:real;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
repeat
write('A[',i,']='); readln(a[i]);
until a[i]>0;
end;
for i:=1 to n do
write(a[i]:4);
writeln;
dem:=0;
for i:=1 to n do
if a[i]>10 then inc(dem);
writeln('So phan tu lon hon 10 la: ',dem);
dem1:=0;
dem2:=0;
for i:=1 to n do
begin
if a[i] mod 2=0 then inc(dem1)
else inc(dem2);
end;
writeln('So luong so chan la: ',dem1);
writeln('So luong so le la: ',dem2);
t:=0;
s:=1;
for i:=1 to n do
begin
if (i mod 2=0) and (a[i] mod 2<>1) then t:=t+a[i];
if (i mod 2=1) and (a[i] mod 2=0) then s:=s*a[i];
end;
writeln('Tong cac so o vi tri chan co gia tri le la: ',t);
writeln('Tich cac so o vi tri le co gia tri chan la: ',s:4:2);
writeln('Cac so le la: ');
for i:=1 to n do
if a[i] mod 2<>0 then write(a[i]:4);
writeln;
writeln('Cac so chan va lon hon 10 la: ');
for i:=1 to n do
if (a[i] mod 2=0) and (a[i]>10) then write(a[i]:4);
readln;
end.
uses crt;
var a:array[1..250]of integer;
i,n,dem,t,t1,t2,t3,t4:integer;
begin
clrscr;
repeat
write('Nhap n='); readln(n);
until (0<n) and (n<=250);
for i:=1 to n do
begin
repeat
write('A[',i,']='); readln(a[i]);
until (0<a[i]) and (a[i]<=500);
end;
dem:=0;
for i:=1 to n do
if a[i] mod 2=1 then inc(dem);
writeln('So phan tu co gia tri le la: ',dem);
t:=0;
for i:=1 to n do
if i mod 2=0 then t:=t+a[i];
writeln('Tong cac phan tu co chi so chan la: ',t);
t1:=0;
for i:=1 to n do
if i mod 2=1 then t1:=t1+a[i];
writeln('Tong cac phan tu co chi so le la: ',t1);
t2:=0;
for i:=1 to n do
if (i mod 2=0) and (a[i] mod 2=0) then t2:=t2+a[i];
writeln('Tong cac phan tu chan co chi so chan la: ',t2);
t3:=0;
for i:=1 to n do
if (i mod 2=1) and (a[i] mod 2=1) then t3:=t3+a[i];
writeln('Tong cac phan tu co chi so le la: ',t3);
t4:=0;
for i:=1 to n do
t4:=t4+a[i];
writeln('Trung binh cong cac so trong day la: ',t4/n:4:2);
readln;
end.
Bai 2:
uses crt;
var a:array[1..100]of integer;
i,n,t,nn:integer;
begin
clrscr;
readln(n);
for i:=1 to n do readln(a[i]);
nn:=a[1];
for i:=1 to n do
if nn>a[i] then nn:=a[i];
write(nn);
readln;
end.
uses crt;
var a:array[1..100]of integer;
i,n,tc,tl,t:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
tc:=0;
tl:=0;
for i:=1 to n do
begin
if a[i] mod 2=0 then tc:=tc+a[i]
else tl:=tl+a[i];
end;
writeln('Tong cac so chan la: ',tc);
writeln('Tong cac so le la: ',tl);
t:=0;
for i:=1 to n do
t:=t+a[i];
writeln('Tong cua day so la: ',t);
readln;
end.
const fi='bai25.inp';
fo='bai25.out';
var f1,f2:text;
a:array[1..1000]of integer;
i,n,dem,dem1,d:integer;
kt:boolean;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
readln(f1,n);
for i:=1 to n do
read(f1,a[i]);
dem:=0;
dem1:=0;
for i:=1 to n do
if a[i] mod 2=0 then inc(dem)
else inc(dem1);
writeln(f2,'So luong so chan la: ',dem);
writeln(f2,'So luong so le la: ',dem1);
d:=abs(a[2]-a[1]);
kt:=true;
for i:=2 to n do
if abs(a[i]-a[i-1])<>d then
begin
kt:=false;
break;
end;
if kt=true then writeln(f2,'Day la day cap so cong')
else writeln(f2,'Day khong la day cap so cong');
close(f1);
close(f2);
end.
n = int(input("Nhập n: "))
a = [ ]
for i in range(n):
a.append(int(input(f"Nhập phần tử a[{i}]: ")))
print("Dãy số vừa nhập:")
# In dãy số theo thứ tự ngược lại
print(a[::-1])
if a == a[::-1]:
print("Dãy số là dãy đối xứng")
else:
print("Dãy số không phải là dãy đối xứng")
uses crt;
var a:array[1..100]of integer;
i,n,tc,tl,t:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
tc:=0;
tl:=0;
for i:=1 to n do
begin
if a[i] mod 2=0 then tc:=tc+a[i]
else tl:=tl+a[i];
end;
writeln('Tong cac so chan la: ',tc);
writeln('Tong cac so le la: ',tl);
t:=0;
for i:=1 to n do
t:=t+a[i];
writeln('Tong cua day so la: ',t);
readln;
end.
uses crt;
var a:array[1..1000]of integer;
i,n,dem1,dem2,t1,dem3,j,kt:integer;
begin
clrscr;
readln(n);
for i:=1 to n do
readln(a[i]);
dem1:=0;
dem2:=0;
t1:=0;
for i:=1 to n do
begin
if a[i] mod 2=0 then
begin
dem1:=dem1+1;
t1:=t1+a[i];
end;
else dem2:=dem2+1;
end;
dem3:=0;
for i:=1 to n do
if (a[i]>1) then
begin
kt:=0;
for j:=2 to trunc(sqrt(a[i])) do
if a[i] mod j=0 then kt:=1;
if kt=0 then dem3:=dem3+1;
end;
writeln(dem1, ' ',dem2);
writeln(t1);
writeln(dem3);
readln;
end.
uses crt;
type mang=array[1..100]of integer;
var a:mang;
n,i,t,k,kt:integer;
{------------------ham-kiem-tra------------------------}
function ktra(x:integer):boolean;
begin
ktra:=false;
for i:=1 to n do
if a[i]=x then ktra:=true;
end;
{-------------------chuong-trinh-chinh----------------}
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('Tong cac so chan la: ',t);
write('Nhap k='); readln(k);
if ktra(k)=true then writeln('YES')
else writeln('NO');
readln;
end.