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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.
Var a:array[1..100] of longint;
tb:real;
i,n:integer;
s:longint;
begin
write('Nhap vao so luong so nguyen '); readln(n);
s:=0;
for i:=1 to n do
begin
write('Nhap vao so thu ',i,' = ');readln(a[i]);
s:=s+a[i];
end;
tb:=s/n;
writeln('Gia tri trung binh cua mang do la ',tb:10:2);
writeln('Cac phan tu lon hon gia tri trung binh la');
for i:=1 to n do
begin
if a[i] > tb then write(a[i]:10);
end;
readln;
end.
Bài 23
var a:array[1..1000] of integer;
i,n:integer;
s,tbc:real;
begin
write('n = ');readln(n);
for i:=1 to n do
begin
write('Nhap so thu ',i,' = ');readln(a[i]);
s:=s+a[i];
end;
tbc:=s/n;
writeln('Gia tri trung binh la ',tbc:10:2);
write('Cac so lon hon gia tri trung binh la: ');
for i:=1 to n do
if a[i] > tbc then write(a[i]:8);
readln
end.
var a:array[1..1000] of integer;
i,n,max:integer;
begin
write('n = ');readln(n);
for i:=1 to n do
begin
write('Nhap so thu ',i,' = ');readln(a[i]);
end;
max:=a[1];
for i:=2 to n do
if a[i] > max then max:=a[i];
for i:=1 to n do
begin
if max=a[i] then write(max,' o vi tri thu ',i);
break;
readln
end.
Var a:array[1..200] of integer;
i,n,s:integer;
tbc:real;
Begin
Write('Nhap so luong so n = ');readln(n);
For i:=1 to n do
Begin
Write('Nhap so thu ',i,' = ');readln(a[i]);
s:=s+a[i];
End;
tbc:=s/n;
Write('Trung binh cong la ',tbc:10:2);
Readln;
End.
var lan,ha,mai:integer;
begin
write('Tuoi Lan la ');readln(lan);
write('Tuoi Ha la ');readln(ha);
write('Tuoi Mai la ');readln(mai);
write('Tong so tuoi cua ba ban la ',lan+ha+mai);
readln;
end.
uses crt;
var a:array[1..100]of integer;
t,i,n:integer;
begin
clrscr;
write('Nhap do dai cua day:'); 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('Gia tri trung binh cua day la: ',t/n:4:2);
readln;
end.
Tham khảo
Var a,b:array[1..100] of integer;
c: array[1..100] of real;
i,n:integer;
Begin
write('Nhap so hoc sinh: ');readln(n);
writeln('Nhap diem Toan');
for i:=1 to n do begin write(i,'. ');readln(a[i]);end;
writeln('Nhap diem Van');
for i:=1 to n do begin write(i,'. ');readln(b[i]);end;
for i:=1 to n do c[i]:=(a[i]+b[i])/2;
writeln('Diem trung binh');
for i:=1 to n do writeln(i,'. ',c[i]);
readln
#include <bits/stdc++.h>
using namespace std;
double x,tb;
int n,i;
int main()
{
cin>>n;
tb=0;
for (i=1; i<=n; i++)
{
cin>>x;
tb+=x;
}
cout<<fixed<<setprecision(2)<<tb/n;
return 0;
}