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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.
#include <bits/stdc++.h>
using namespace std;
long long a[1000],i,n,nn;
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<<i<<" ";
cout<<endl;
nn=a[1];
for (i=1; i<=n; i++) nn=min(nn,a[i]);
cout<<nn<<endl;
for (i=1; i<=n; i++) if (nn==a[i]) cout<<i<<" ";
return 0;
}
Uses crt;
var max,min,n,i,m,n: longint;
a: array[1..100] of longint
begin clrscr;
for i:=1 to n do begin
if(a[i] mod 2=0) then m:=m+a[i];
if(a[i] mod 2<>0) then n:=n+a[i];
end;
max:=a[1];
min:=a[1];
for i:=1 to n do begin
if(max<a[i]) then max:=a[i];
if(min>a[i]) then min:=a[i];
end;
Writeln('Tong cac phan tu chan: ',m);
Writeln('Tong cac phan tu le: ',n);
Writeln('Phan tu co gia tri lon nhat: ',max);
Writeln('Phan tu co gia tri nho nhat: ',min);
readln;
end.
Uses crt;
var max,min,n,i,m,n: longint;
a: array[1..100] of longint
begin clrscr;
for i:=1 to n do begin
if(a[i] mod 2=0) then m:=m+a[i];
if(a[i] mod 2<>0) then n:=n+a[i];
end;
max:=a[1];
min:=a[1];
for i:=1 to n do begin
if(max<a[i]) then max:=a[i];
if(min>a[i]) then min:=a[i];
end;
Writeln('Tong cac phan tu chan: ',m);
Writeln('Tong cac phan tu le: ',n);
Writeln('Phan tu co gia tri lon nhat: ',max);
Writeln('Phan tu co gia tri nho nhat: ',min);
readln;
end.
Program HOC24;
var d,i,n: integer;
a: array[1..32000] of integer;
begin
write('Nhap N: '); readln(n);
for i:=1 to n do
begin
write('a[',i,']='); readln(a[i]);
end;
write('Cac phan tu cua mang vua nhap la: ');
for i:=1 to n do write(a[i],' ');
writeln;
d:=0;
for i:=1 to n do if 10 mod a[i]=0 then d:=d+1;
writeln('Co ',d,' phan tu co gia tri la uoc cua 10');
write('Cac phan tu o vi tri chan la: ');
for i:=1 to n do if i mod 2=0 then write(a[i],' ');
writeln;
write('Cac phan tu o vi tri le la: ');
for i:=1 to n do if i mod 2=1 then write(a[i],' ');
readln
end.
Bài 5:
Var a:array:[1..1000] of integer;
i,n,max:integer;
sc, sl:longint;
Begin
Write('n = ');readln(n);
For i:=1 to n do
Begin
Write('Nhap so thu ',i,' = ');rreadlna[i]);
If a[i] mod 2 = 0 then sc:=sc+b[i];
If a[i] mod 2 <> 0 then sl:=sl+a[i];
End;
max:=a[1];
For i:=2 to n do
If a[i] > max then max:=a[i];
Writeln('Tong cac so chan la ',sc);
Writeln('Tong cac so le la ',sl);
write('So lon nhat la ',max);
Readln
End.
uses crt;
var a:array[1..100]of integer;
i,n,dem,max,t,min,dem1:integer;
begin
clrscr;
write('n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
dem:=0;
max:=-32000;
for i:=1 to n do
begin
if a[i] mod 2=0 then
begin
dem:=dem+1;
if max<a[i] then max:=a[i];
end;
if dem=0 then writeln('Trong day khong co so chan')
else begin
writeln('So so chan la: ',dem);
writeln('So chan lon nhat la: ',max);
end;
t:=0;
for i:=1 to n do
if i mod 2=1 then t:=t+a[i];
writeln('Tong cac so o vi tri le la: ',t);
min:=maxint;
dem1:=0;
for i:=1 to n do
if a[i] mod 2<>0 then
begin
inc(dem1);
if min>a[i] then min:=a[i];
end;
if dem1=0 then writeln('Trong day khong co so le')
else writeln('So le nho nhat la: ',min);
readln;
end.
uses crt;
var a:array[1..100]of integer;
i,n,x: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);
for i:=1 to n do
if a[i]=x then write(i:4);
readln;
end.
#include <bits/stdc++.h>
using namespace std;
long long a[1000],i,n,t,dem;
int main()
{
cin>>n;
for (i=1; i<=n; i++) cin>>a[i];
t=0;
for (i=1; i<=n; i++) t+=a[i];
cout<<fixed<<setprecision(2)<<(t*1.0)/(n*1.0)<<endl;
dem=0;
for (i=1; i<=n; i++)
if (i%2==0) dem++;
cout<<dem;
return 0;
}
2:
uses crt;
var a:array[1..100]of integer;
n,i: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]<0 then write(i:4);
readln;
end.
câu 3 nữa bạn, mình ko hiểu đc câu đó