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uses crt;
var a:array[1..100]of integer;
i,n,t1,t2,dem1,dem2:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
writeln('Day so vua nhap la: ');
for i:=1 to n do
write(a[i]:4);
writeln;
t1:=0;
dem1:=0;
t2:=0;
dem2:=0;
for i:=1 to n do
begin
if a[i] mod 2=0 then
begin
t1:=t1+a[i];
inc(dem1);
end
else begin
t2:=t2+a[i];
inc(dem2);
end;
end;
writeln('Trung binh cac so chan la: ',t1/dem1:4:2);
writeln('Trung binh cac so le la: ',t2/dem2:4:2);
readln;
end.
uses crt;
var x,n,i,t:integer;
begin
clrscr;
readln(n);
t:=0;
for i:=1 to n do
begin
readln(x);
if x mod 2=0 then t:=t+x;
end;
writeln(t);
readln;
end.
program ideone;
var i,n,x,res:longint;
begin
readln(n);
res:=0;
for i:=1 to n do
begin
read(x);
if x mod 2 = 0 then
res:=res+x;
end;
write(res);
end.
#include <bits/stdc++.h>
using namespace std;
long long a[1000],i,n;
int main()
{
cin>>n;
for (i=1; i<=n; i++) cin>>a[i];
for (i=1; i<=n; i++)
cout<<a[i]<<" ";
cout<<endl;
for (i=1;i<=n; i++)
if (a[i]%2==0) cout<<a[i]<<" ";
return 0;
}
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
t:=t+a[i];
writeln('Tong cua day la: ',t:4:2);
writeln('Trung binh cong cua day la: ',t/n:4:2);
readln;
end.
Var a:array[1..100] of integer;
i,n:integer;
s:longint;
Begin
Write('n = ');readln(n);
For i:=1 to n do
Begin
Write('Nhap phan tu thu ',i,' = ');readln(a[i]);
s:=s+a[i];
End;
Write('Cac phan tu vua nhap la ');
For i:=1 to n do
Write(a[i]:8);
Writeln;
Write('Tong cua chung la ',s);
Readln
End.
Câu 1:
#include <bits/stdc++.h>
using namespace std;
double a,b,c;
int main()
{
cin>>a>>b>>c;
cout<<fixed<<setprecision(2)<<(a+b+c)/3;
return 0;
}
Câu 2:
uses crt;
var a:array[1..100]of integer;
i,n,tb:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
tb:=0;
for i:=1 to n do
tb:=tb+a[i];
writeln(tb/n:4:2);
readln;
end.
uses crt;
var a:array[1..100]of integer;
i,n,max,dem: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;
max:=a[1];
for i:=1 to n do
if max<a[i] then max:=a[i];
writeln('So lon nhat la: ',max);
write('Vi tri cua so lon nhat la: ');
for i:=1 to n do
if max=a[i] then write(i:4);
writeln;
dem:=0;
for i:=1 to n do
if max=a[i] then inc(dem);
writeln('So luong phan tu lon nhat trong day la: ',dem);
readln;
end.
uses crt;
var a:array[1..100000000] of int64;
n,i,d,max:longint;
begin
clrscr;
repeat
write('Nhap so luong phan tu: '); readln(n);
if (n<=0) and (n>688886) then writeln('NHAP LAI!');
until (n>0) and (n<=688886);
for i:=1 to n do
begin
write('Nhap phan tu thu ',i,': '); readln(a[i]);
end;
write('Day so vua nhap: ');
for i:=1 to n do write(a[i],' ');
max:=a[1];
for i:=1 to n do if a[i]>max then max:=a[i];
writeln;
writeln('So lon nhat: ',max);
write('Vi tri cua cac so lon nhat: ');
for i:=1 to n do if a[i]=max then begin write(i,' '); inc(d) end;
writeln;
writeln('So luong so lon nhat: ',d);
readln;
end.
Var a:array[1..200] of real;
i,n,dem:integer;
s,tbc:real;
Begin
Write('Nhap so luong phan tu n = ');readln(n);
s:=0;
For i:=1 to n do
Begin
Write('Nhap phan tu thu ',i,' = ');readln(a[i]);
s:=s+a[i];
End;
tbc:=s/n;
Write('Trung binh cong la ',tbc:10:2);
Readln;
End.