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Bài 2:
uses crt;
var a:array[1..199]of integer;
i,n:integer;
begin
clrscr;
write('n='); readln(n);
for i:=1 to n do
begin
write('a[',i,']='); readln(a[i]);
end;
{----------------------------xuat-------------------------------}
for i:=1 to n do write(a[i]:4);
readln;
end.
Bài 3:
uses crt;
var a:array[1..199]of integer;
i,n,x,dem:integer;
begin
clrscr;
write('n='); readln(n);
for i:=1 to n do
begin
write('a[',i,']='); readln(a[i]);
end;
{----------------------------xu-ly-------------------------------}
write('x='); readln(x);
dem:=0;
for i:=1 to n do
if a[i]=x then inc(dem);
writeln('trong day co ',dem,' gia tri ',x);
readln;
end.
Bạn ơi! Mình viết code thôi, vì chưa có thời gian nên mình chưa test lại, bạn test lại giúp mình, nếu sai thì báo mình nha! (Bạn cố sữa lỗi trước nhé!)
program abc;
uses crt;
var
a: array [1..100] of integer;
i, n, d, d2, d5: integer;
begin
clrscr;
write ('Nhap n: ');
readln (n);
for i:=1 to n do
begin
write ('Nhap so thu ', i, ': ');
readln (a[i]);
end;
d:=0; d2:=0; d5:=0;
for i:=1 to n do
begin
if a[i] <0 then d:=d+1;
if a[i] mod 2 = 0 then d2:=d2+1;
if a[i] mod 5 = 0 then d5:=d5+1;
end;
writeln ('Co ', d, ' so am trong mang.');
writeln ('Co ', d2, ' so chia het cho 2.');
writeln ('Co ', d5, ' so chia het cho 5.');
writeln;
writeln ('Nhan Enter de ket thuc chuong trinh!');
readln;
end.
uses crt;
var a:array[1..199]of integer;
i,n,min:integer;
begin
clrscr;
write('n='); readln(n);
for i:=1 to n do
begin
write('a[',i,']='); readln(a[i]);
end;
{----------------------------xu-ly-------------------------------}
min:=a[1];
for i:=1 to n do
if min>a[i] then min:=a[i];
writeln(min);
readln;
end.
uses crt;
var a:array[1..199]of integer;
n,i,t:integer;
begin
clrscr;
write('n='); readln(n);
for i:=1 to n do
begin
write('a[',i,']='); readln(a[i]);
end;
{----------------------------------cau-1--------------------------------}
t:=0;
for i:=1 to n do
if a[i] mod 2=1 then t:=t+a[i];
writeln('tong cac phan tu le trong mang la: ',t);
{---------------------------------cau-2------------------------------}
writeln('cac phan tu vua nhap co chi so chan la: ');
for i:=1 to n do
if i mod 2=0 then write(a[i]:4);
readln;
end.
Cho mình hỏi nếu đếm các phần tử có giá trị lẻ trong xâu thì làm như thế nào vậy
uses crt;
var a:array[1..50]of integer;
t,i,n:integer;
begin
clrscr;
repeat
write('Nhap n='); readln(n);
until (0<n) and (n<=50);
for i:=1 to n do
begin
repeat
write('A[',i,']='); readln(a[i]);
until (0<=a[i]) and (a[i]<=32767);
end;
writeln('Day A=');
for i:=1 to n do
write(a[i]:4);
writeln;
t:=0;
for i:=1 to n do
if a[i] mod 2=1 then t:=t+a[i];
writeln('Tong cac so le la: ',t);
writeln('Cac so le trong day A la: ');
for i:=1 to n do
if a[i] mod 2=1 then write(a[i]:4);
readln;
end.
Câu 1:
uses crt;
var a:array[1..100]of integer;
n,i,tl,tc:integer;
begin
clrscr;
repeat
write('nhap n='); readln(n);
if (n<=0) or (n>100) then writeln('ban da nhap sai, yeu cau ban nhap lai');
until (0<n) and (n<=100);
for i:=1 to n do
begin
repeat
write('a[',i,']='); readln(a[i]);
if abs(a[i])>=1000 then writeln('vui long nhap so co gia tri tuyet doi nho hon 1000');
until abs(a[i])<1000;
end;
{--------------------------xu-ly-----------------------------}
tc:=0;
tl:=0;
for i:=1 to n do
begin
if a[i] mod 2=0 then tc:=tc+a[i];
if a[i] mod 2=1 then tl:=tl+a[i];
end;
writeln('tong so nguyen chan cua day la: ',tc);
writeln('tong so nguyen le cua day la: ',tl);
readln;
end.
Câu 2:
uses crt;
var a:array[1..100]of integer;
n,i:integer;
begin
clrscr;
repeat
write('nhap n='); readln(n);
if (n<=0) or (n>100) then writeln('ban da nhap sai, yeu cau ban nhap lai');
until (0<n) and (n<=100);
for i:=1 to n do
begin
write('a[',i,']='); readln(a[i]);
end;
{--------------------------xu-ly-----------------------------}
writeln('cac so nguyen am co trong day la: ');
for i:=1 to n do
if a[i]<0 then write(a[i]:4);
readln;
end.
Câu 3:
uses crt;
var a:array[1..100]of integer;
n,i,t:integer;
begin
clrscr;
repeat
write('nhap n='); readln(n);
if (n<=0) or (n>100) then writeln('ban da nhap sai, yeu cau ban nhap lai');
until (0<n) and (n<=100);
for i:=1 to n do
begin
write('a[',i,']='); readln(a[i]);
end;
{--------------------------xu-ly-----------------------------}
t:=0;
for i:=1 to n do
if a[i] mod 3=0 then t:=t+a[i];
writeln('tong cac phan tu chia het cho 3 la: ',t);
readln;
end.
Câu 4:
uses crt;
var a,vt:array[1..100]of integer;
n,i,t,dem,j:integer;
min:int64;
begin
clrscr;
repeat
write('nhap n='); readln(n);
if (n<=0) or (n>100) then writeln('ban da nhap sai, yeu cau ban nhap lai');
until (0<n) and (n<=100);
for i:=1 to n do
begin
repeat
write('a[',i,']='); readln(a[i]);
if abs(a[i])>=1000 then writeln('vui long nhap so co gia tri tuyet doi nho hon 1000');
until abs(a[i])<1000;
end;
{--------------------------xu-ly-----------------------------}
min:=maxint;
for i:=1 to n do
if min>a[i] then min:=a[i];
dem:=0;
for i:=1 to n do
if a[i]=min then
begin
inc(dem);
vt[dem]:=i;
end;
writeln('so nho nhat la: ',min);
writeln('vi tri cua no trong day lan luot la: ');
for j:=1 to dem do
write(vt[j]:4);
readln;
end.
Câu 5:
uses crt;
var a,vt:array[1..100]of integer;
n,i,j,tam:integer;
begin
clrscr;
repeat
write('nhap n='); readln(n);
if (n<=0) or (n>100) then writeln('ban da nhap sai, yeu cau ban nhap lai');
until (0<n) and (n<=100);
for i:=1 to n do
begin
repeat
write('a[',i,']='); readln(a[i]);
if abs(a[i])>=1000 then writeln('vui long nhap so co gia tri tuyet doi nho hon 1000');
until abs(a[i])<1000;
end;
{--------------------------xu-ly-----------------------------}
for i:=1 to n-1 do
for j:=i+1 to n do
if a[i]<a[j] then
begin
tam:=a[i];
a[i]:=a[j];
a[j]:=tam;
end;
writeln('day so giam dan la: ');
for i:=1 to n do
write(a[i]:4);
readln;
end.
uses crt;
var a:array[1..200]of longint;
t,n,i:longint;
begin
clrscr;
n:=200;
t:=0;
for i:=1 to 200 do
begin
write('a[',i,']='); readln(a[i]);
if a[i] mod 2=1 then t:=t+a[i];
end;
writeln('tong cac phan tu le trong day la: ',t);
readln;
end.
uses crt;
var i:integer;
tong: longint;
a: array [1..200] of integer;
begin
clrscr;
tong:= 0;
for i:= 1 to 200 do
begin
write('Phan tu ',i,': ');
readln(a[i]);
if a[i] mod 2 <> 0 then
tong:= tong + a[i];
end;
write('Tong cac phan tu le: ',tong);
readln
end.
uses crt;
var n,i:integer;
a,b,c:array[1..100]of integer;
begin
clrscr;
write('n='); readln(n);
for i:=1 to n do
begin
write('a[',i,']='); readln(a[i]);
end;
for i:=1 to n do
begin
write('b[',i,']='); readln(b[i]);
end;
for i:=1 to n do
c[i]:=a[i]+b[i];
for i:=1 to n do
write(c[i]:4);
readln;
end.
uses crt;
var n,i:integer;
a,b,c: array [1..100] of integer;
begin
clrscr;
write('So phan tu cua day: ');readln(n);
for i:= 1 to n do
begin
write('Phan tu ',i,' cua day a: ');
readln(a[i]);
end;
writeln;
for i:= 1 to n do
begin
write('Phan tu ',i,' cua day b: ');
readln(b[i]);
end;
for i:= 1 to n do
c[i]:= a[i] + b[i];
writeln('Mang C:');
for i:= 1 to n do
write(c[i],' ');
readln
end.