nhập vào 1 mảng số nguyên gồm n phần tử, hiển thị ra số lượng các số chẵn
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program bt;
uses crt;
var i, s, sa, sd, sc, sl, da, dd, dc, dl : integer;
a : array[1..50] of integer;
begin
clrscr;
for i:=1 to 10 do begin
write('Nhap phan tu thu ',i,': '); readln(a[i]);
end;
write('Day so vua nhap la: ');
for i:=1 to 10 do write(a[i],', ');
writeln;
s := 0; sa := 0; sd := 0; sc := 0; sl := 0; da := 0; dd := 0; dc := 0; dl := 0;
for i:=1 to 10 do begin
s := s + a[i];
if (a[i] > 0) then begin sd := sd + a[i]; dd := dd + 1 end;
if (a[i] < 0) then begin sa := sa + a[i]; da := da + 1 end;
if (a[i] mod 2 = 0) then begin sc := sc + a[i]; dc := dc + 1; end
else begin sl := sl + a[i]; dl := dl + 1 end;
end;
writeln('Tong cac phan tu trong mang la ',s);
writeln('Trung binh cong cac phan tu trong mang la ',s/10);
writeln('Tong cac so am la ',sa);
writeln('Tong cac so duong la ',sd);
writeln('Tong cac so chan la ',sc);
writeln('Tong cac so le la ',sl);
writeln('So cac so am la ', da);
writeln('So cac so duong la ', dd);
writeln('So cac so chan la ', dc);
writeln('So cac so le la ', dl);
readln
end.
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#include <bits/stdc++.h>
using namespace std;
long long n,i,a[10000];
int main()
{
cin>>n;
for (i=1; i<=n; i++)
cin>>a[i];
for (i=1; i<=n; i++) cout<<a[i]<<" ";
return 0;
}
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Câu 1:
uses crt;
var a:array[1..100]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;
t:=0;
for i:=1 to n do
t:=t+a[i];
writeln(t);
readln;
end.
Câu 2:
uses crt;
var a:array[1..100]of integer;
i,n,x,dem,kt: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);
kt:=0;
dem:=0;
for i:=1 to n do
if a[i]=x then
begin
kt:=1;
write(i:4);
inc(dem);
end;
if kt=0 then writeln('Khong co ',x,' trong day');
writeln(x,' xuat hien ',dem,' lan trong day');
readln;
end.
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#include <bits/stdc++.h>
using namespace std;
long long a[1000],n,i,dem1,dem2;
int main()
{
cin>>n;
for (i=1; i<=n; i++) cin>>a[i];
for (i=1; i<=n; i++) cout<<a[i]<<" ";
cout<<endl;
dem1=0;
dem2=0;
for (i=1; i<=n; i++)
{
if (a[i]%2==0) dem1++;
else dem2++;
}
cout<<dem1<<" "<<dem2;
return 0;
}
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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.
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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.
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6:
#include <bits/stdc++.h>
using namespace std;
int main()
{
int n,A[100],i,dem=0;
cin>>n;
for (int i=1; i<=n; i++) cin>>A[i];
for (int i=1;i<=n; i++)
if (A[i]%2!=0) dem++;
cout<<dem;
return 0;
}
5:
#include <bits/stdc++.h>
using namespace std;
int main()
{
long long n,nn=1e6,A[1000];
cin>>n;
for (int i=1; i<=n; i++) cin>>A[i];
for (int i=1; i<=n; i++)
nn=min(nn,A[i]);
for (int i=1; i<=n; i++)
if (nn==A[i]) cout<<i<<" ";
return 0;
}
uses crt;
var a:array[1..100]of integer;
i,n,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;
for i:=1 to n do
if a[i] mod 2=0 then inc(dem);
writeln(dem);
readln;
end.