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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..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.
program timtich;
uses crt;
var i,n:integer;
tich:longint;
a:array[1..100]of integer;
begin
clrscr;
write('nhap so n:');readln(n);
for i:=1 to n do
begin
write('nhap phan tu a[',i,']:');readln(a[i]);
end;
for i:=1 to n do
write(a[i]:4);
tich:=1;
writeln;
for i:=1 to n do
if a[i] mod 2=0 then tich:=tich*a[i];
writeln('tich ca phan tu chan cua mang la:',tich);
readln;
end.
program timtong;
uses crt;
var i,n:integer;
tong:longint;
a:array[1..100]of integer;
begin
clrscr;
write('nhap so n:');readln(n);
for i:=1 to n do
begin
write('nhap phan tu a[',i,']:');readln(a[i]);
end;
for i:=1 to n do
write(a[i]:4);
tong:=0;
writeln;
for i:=1 to n do
if a[i] mod 2=0 then tong:=tong+a[i];
writeln('tong cac phan tu chan cua mang la:',tong);
tong:=0;
writeln;
for i:=1 to n do
if a[i] mod 2=1 then tong:=tong+a[i];
writeln('tong cac phan tu le cua mang la:',tong);
readln;
end.
Bài 1:
uses crt;
var a:array[1..100]of integer;
i,n,s:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
s:=1;
for i:=1 to n do
if a[i] mod 2=0 then s:=s*a[i];
writeln(s);
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.
uses crt;
var a:array[1..20]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;
for i:=1 to n do
write(a[i]:4);
writeln;
t:=0;
for i:=1 to n do
t:=t+a[i];
writeln('Tong cua day la: ',t);
for i:=1 to n do
if a[i]>50 then write(a[i]:4);
writeln;
for i:=1 to n do
if a[i]<30 then write(a[i]:4);
readln;
end.
1. Uses crt;
var n,i: integer;
begin clrscr;
readln(n);
for i:=1 to n do write(i:3);
readln;
end.
2. Uses crt;
var n,i: integer;
begin clrscr;
readln(n);
for i:=1 to n do if(i mod 2 = 0) then write(i:3);
readln;
end.
Program HOC24;
var d,i,n: integer;
t: real;
begin
write('Nhap n: '); readln(n);
for i:=1 to n do
begin
write('Nhap so thu ',i,': '); readln(a[i]);
end;
d:=0; t:=0;
for i:=1 to n do
if a[i] mod 2=0 then
begin
d:=d+1;
t:=t+a[i];
end;
t:=t/d;
writeln('Co ',d,' so chan trong mang');
writeln('Trung binh cong cac phan tu chan la: ',t:2:5);
write('Cac phan tu trong day theo chieu doc: ');
for i:=1 to n do writeln(a[i]);
readln
end.
Program HOC24;
var i,n: integer;
t1,t2: longint;
begin
write('Nhap so phan tu cua day: '); readln(a[i]);
for i:=1 to n do
begin
write('Nhap phan tu thu ',i,': '); readln(a[i]);
end;
t1:=0; t2:=0;
for i:=1 to n do if a[i] mod 2=0 then t1:=t1+a[i] else t2:=t2+a[i];
writeln('Tong cac so chan la: ',t1);
write('Tong cac so le la: ',t2);
readln
end.
uses crt;
var a:array[1..100]of integer;
i,n,t,dem:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
dem:=0;
t:=0;
for i:=1 to n do
if a[i] mod 2=0 then
begin
inc(dem);
t:=t+a[i];
end;
writeln('Trung binh cong cac so chan trong day so la: ',t/dem:4:2);
readln;
end.
cam on ban nha